Red Line Oil makes a synthetic 75W-85 GL-5 gear oil. This versatile lubricant contains anti-rust and anti-wear EP additives to provide the corrosion protection in drives and hypoid gears. gear oil and universal transmission oil (one size fits all) with excellent results. But, it didn't give me a warm and fuzzy. My guess is if a car has a bad case seal between the engine and transaxle the engine oil and gear oil would tend to show the same color (or similar). The oil is at the correct level when it reads between the upper (A) and the lower (B) marks of the dipstick. Valvoline High Performance 80W-90 Gear Oil - 1 Quart. After talking to the knowledgable guy my rebuilder got the parts from, it was learned that the Synthetic Gear oil I filled the transmission with, could be the issue. The gear oil was translucent amber, not looking much different than the new gear oil out of the bottle. But it is way too thick if you require the 75w GL4 that Toyota started rolling out about a decade ago. I can`t find GL4 for my tranny. Have used 80w-90 valvoline also and when I switched to redline I feel no difference. maybe a thicker oil is better if 5th gear is the way it is? This way it will stick to the gears more. In my 1991 F150, which calls for gl4 but not gl5, I run rotella 15w40 with a bottle of Lucas transmission "snake oil". Hope this helps, I get tired of pulling the power pack each time I change oils. Price diff is $2. This video debunks the part about GL5 damaging the synchro's. SHOP for (5-Gallon Pails $33. 00) (55-Gallon Drums $299. Valvoline High Performance Gear Oil: factory says GL4 and GL5 and will not corrode brass, however on the bottle says: GL4/5 for differentials, and non-synchronized transmission that require GL5. I now read that the Amsoil V-Twin stuff is loaded with extreme pressure additives. 00) (275-Gallon Totes $1,495. Sep 03, · Transmission fluid is a slick, oily substance that keeps the transmission of your car lubricated. GL-4 is for synchronized transmissions, while GL-5 is for differentials. Gear oils can get remarkably close to performing almost uniformly across the spectrum, with grading like 75W-85 gear oil being fairly common. The Super Tech Full Synthetic 75W-90 Gear Oil Quart is formulated for multi purpose extreme pressure applications, including conventional differentials, gear boxes, limited slip rear axles, manual transmissions and hypoid gears. Or it may not. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. produced from 07/2004, see MINI SI M 00 02 02 March 2005. Drip Bottle (4F744)? Grainger's got your back. Also had a drain hole drilled and tapped when Quantum Mechanics rebuilt the diff. I have been looking for a gear oil that would be yellow metal safe to use in my Ford 801 transmission and differential which recommends GL3 rating. Got new seals in transmission and differential. This gear oil does a great job of eliminating bad shifting in the cold. I've tried adjusting the clutch but not much improvement. If unsure, use a GL4 oil OR a GL5 that is certified to be "yellow metal safe. Some brands describe themselves as "hypoid" instead, a term which is synonymous with EP. 2na,400 auto,4:10 gears. The trans now has 2/3rd dino gear oil and 1/3rd Mobil 1 gear oil. 2) Connect a piece of hose to the bottle and try to find a high spot to hold the bottle, then squeeze the bottle until you get enough in. Most if not all gear oils sold in stores like Advance Auto and Pep Boys is GL5, which is fine for modern cars. Either Amsoil SVG or Delvac Synthetic Gear Oil 75W90 for the axles/portals; Amsoil MTG or Delvac Synthetic Trans Fluid 50 for the trans and Claas. I have found that NAPA GL-4 80-90w is easy to get, although I had to special order it from my local store. Several options: 1) Remove shifter and pour the oil in from the top until it dribbles out the fill plug. They will probably order the 75-90 for you. Manual Transmission/Gear Oi Lucas SAE 75W-90 Synthetic Gear Oil is a non-foaming, super slick, long lasting lubricant designed especially for heavy duty or high performance applications where other gear lubricants just aren't good enough. I can't feel the difference, the 1st gear in that gearbox is not synced just like in a Willys. The higher EP gear lubes have anti corrosion additives. The transmission however takes a GL4 rated gear oil or synchromesh fluid. I need to buy transmission fluid but when I went to local parts stores (autozone/NAPA) they told me that the fluid I need is Texaco MTX and they don't 1995 eclipse manual gear oil have it. It will be broken in on Valvoline VR1 30wt and then switched to synthetic. Pennzoil Synchromesh: Says GL3 and a specific replacement for a few factory P/N lubes. the same viscosity as a SAE 10 engine oil or a ISO 32 hydraulic oil. The Lucas 80W-90 enjoys the technology Lucas developed in making the "Lucas Heavy Duty Oil Stabilizer", the number one supplemental oil in the heavy duty industry. First ride on it this year, I hear a terrible ratcheting noise in the kicker cover. Applicable to: '90 - '97 '99-'05 1. I highly recommend Redline MT-90. Particularly for manual transmission and similar constructs, hypoid gear oil is the recommended lubricant. FYI: Valvoline and NAPA oils both come from Ashland Oil Co. SKU # 1437 $ 12 99. Pick up a gallon at autozone and that’s plenty. Otherwise I've seen zero ill effects from using 75w-90. Suitable for Classic vehicles or vehicles with gearboxes containing yellow metals i. Some subscribe to 90 wt GL4, others to non-detergent 30wt motor oil while others go with non-detergent 20w50 motor oil. Formulated with extreme-pressure additives, it helps extend chain and gear life through increased wear protection. People have used GL5 in diffs, but it's not recommended for our transmissions. Seems straight forward, until I tried to buy 75w80 gear oil. I have searched and not been able to find a supplier for this grade of oil. I don't know if a run of the mill GL5 oil typically sold today would be an OK substitution for the GL4 or not. I use the MTL90 in the gearbox and Valvoline synthetic 75w-90 in the diff w/ no. ) I mentioned this on a couple other forums and someone said using GL5 will mess up my transmission because. I don't now. 32 quarts 75W-90 GL4, or 10W30 (NOT GL5 or GL5 compatible as incorrectly stated in some of the manuals). The Castrol synthetic gear oil was almost $14. Home Delivery. I have a leaking seal on a 1976 horse tiller. 75w90 | 75w90 gl4 | 75w90 synthetic gear oil walmart | 75w90ns | 75w90gearoil | 75w90 gl3 | 75w90 gl5 | 75w90 sds | 75w90 gl-4 | 75w90 gl-5 | 75w90 napa | 75w90. Check here for special coupons and promotions. AMSOIL Universal Synthetic Marine Gear Lube meets the specifications of boat manufacturers and is recommended for fresh- and salt-water applications requiring either 75w90 or 80w90 viscosity grade and an API GL-4 or GL-5 gear oil. Drip Bottle (4F744)? Grainger's got your back. HYPOID SAE 80 GEAR OIL Product Description Approved to MIL-L2105B and superior to the U. gear oil and universal transmission oil (one size fits all) with excellent results. Anything over negative 4 degrees Farenheight run 80/90. Might want to do some research on GL4 vs GL5. MotoMaster Extreme Pressure Gear Oil is a multipurpose gear lubricant whose high-performance level is obtained by using a sulphur-phosphorus additive system for manual transmissions, differentials, final drives, and other gear cases of trucks, buses and farm equipment. 6L, 5 sp, 4wd, 2dr, conv, CAMI, horribly rusty Amsoil GL4 75W90 Motul Gear 300 75W90 Gear Oil. Brass, Phospohor Bronze etc. It will say so if it is. I literally went to 11 stores including a Nissan dealer and could not find any. Some older Aisan manual transmissions in Toyotas call for GL4 and most newer ones call for GL5. , or RoyalPurple Synchromax which is one of the thinner MT fluids available at local auto part stores. But was exactly what I wanted. My '55 Merc manual calls for 80 wt, 5 lbs or 5 pints w/OD so your 80/90 should work. GL4 is safer for yellow metals which many older trans have. A film of grease will not bother anything, then top the steering box off with the gear lube. But it only took a couple days to get. Either Amsoil SVG or Delvac Synthetic Gear Oil 75W90 for the axles/portals; Amsoil MTG or Delvac Synthetic Trans Fluid 50 for the trans and Claas. 2 NISSAN Matic ’D’ (Continental U. I did buy a gallon of the GL4 SAE 140 NAPA stuff to try out but the Schaeffers stuff works fine with no visable damage to any brass parts so I will continue using it. Lots of info on this subject. At Castrol Classic Oils, we provide the ultimate in protection for all veteran, vintage and classic car and motorcycle owners. On my 47 Plymouth the book says 90 weight for the differential and 80 weight for the transmission. NAPA is one of the better auto parts chains and they tend to carry products the rest don't. They all only stocked GL-5 gear oil. The engine oil was definately 'darker' than the gear oil. Thankfully, Amazon and NAPA still stock the Sta-Lube GL4 gear oil. 00) AW-ISO-VG Grade-32-46-68-100 Weight-10W-15W-20W-30 Hydraulic Oil is a high-quality antiwear hydraulic oil developed for use in a wide variety of industrial and mobile hydraulic system applications. Test ran it and nothing strange happened, so I'm going to stick with this. 1992 toyota pickup manual transmission oil Pickup Transmission From $ Save on Quality Used OEM Parts. For example, Redline MT90 is a great GL4 75w90 manual transmission gear oil. The GL-5 is perfectly fine for axles. Mostly low range and some 1st to 2nd shifts but no issues as I recall. I tried a good synthetic 75W90 GL4/5 oil, but it made ALL gear shifts very difficult cold (eg 10C). This gear oil does a great job of eliminating bad shifting in the cold. I don't know if a run of the mill GL5 oil typically sold today would be an OK substitution for the GL4 or not. Your vehicle deserves only genuine OEM Mopar parts and accessories. Some subscribe to 90 wt GL4, others to non-detergent 30wt motor oil while others go with non-detergent 20w50 motor oil. : 5 speed and Transfer case. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. 2 NISSAN Matic ’D’ (Continental U. cronk - If the gear oil says GL4/GL5, it is buffered [the sulfur] to attenuate yellow metal corrosion. New Holland Tractor Batteries. Super S SAE 90 Gear Oil, API GL-4 in 5 Gallon Pails are formulated with sulfur-phosphorus EP additives to provide anti-wear and anti-scuff performance for use in automobiles, trucks and heavy equipment calling for GL-4 gear oils, especially gears subject to shock loading. Looking for MOBIL 1 Synthetic, SAE Grade : 75W-90, 1 qt. Find Driven Racing Oil GL-4 Gear Oil 04530 and get Free Shipping on Orders Over $99 at Summit Racing! Driven Racing Oil GL-4 conventional gear oil is designed to deliver maximum performance and protection. The Dana 300 takes a GL5 rated gear oil, same as the diffs. But it only took a couple days to get. Would this stuff be good or bad?. Strange noises, delayed shifts, slipping, dark, burnt-smelling fluid and delayed engagement are all signs that it's time for an ATF flush and fluid change. On vehicles equipped with a Borg Warner 5 speed manual transmission, use Dexron® III automatic transmission. 3 out of 5 stars. Formulated using unique additive system and synthetic base stocks, this gear oil has exceptionally flow characteristic, low pour point and high viscosity index. The Redline "75w-90 NS" Synthetic Gear Oil is specifically designed for Manual Transmissions. How much oil? The AX5 and AX15 use about 3. NAP-011 - NAPA SAE 90 Mineral Gear Oil Revision Date: 18-Nov-2014 Page 5 / 7 Symptoms Please see section 4 of this SDS for symptoms. DSG Timing gears,main girdle, isspro tach, pyro,boost,oil and trany temp. The lubricant is sufficient for high speed, low speed and high-torque conditions. Gear oil prevents rust and minimizes wear while lubricating the gears within your vehicle. I just read the article and an interesting point to make. FREE Shipping on your first order shipped by Amazon. Like motor oil, gear oil for transmissions or differentials is available in full-synthetic formulations that provide better protection and lubrication for moving parts. Check here for special coupons and promotions. Steve's custom blend. The "official" BL TR6 service manual says (gearbox and overdrive) API-GL4 (hypoid 90). I have a 1972 with manual gearbox. Transfer fluid (TX10A) 2-3/8 qt 2 qt 2. Millers produces the following GL4 oils: Millers Classic Gear Oil EP 80w90 GL4 and Millers Classic Gear Oil EP 140 GL4. A film of grease will not bother anything, then top the steering box off with the gear lube. It also seems they have a Lodexol 80W-90 API GL4 Gear Oil which also is mineral oil. I wanted to fill up the Super T-10 with oil before it goes in, and was disappointed not to get some oil today for synchromesh service because of viscosity issues. _____ M38 23100 June 51 M38 34523 Sep 51. Equivalent Viscosity of ISO-VG Grades at 40oC and SAE Crankcase Oil Grades ISO-VG Grade SAE Crankcase Oil Grade 22 5W 32 10W 46 15W 68 20W 100 30 150 40 220 50 320 60 Equivalent Viscosity of ISO-VG Grades at 40oC and SAE Aircraft Oil Grades ISO-VG Grade SAE Aircraft Oil Grade 100 65 150 80 220 100 320 120 Equivalent Viscosity of ISO-VG Grades at 40oC and SAE Gear Lube Grades ISO-VG Grade SAE. Gear Lubricants Showing 1–12 of 14 results Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sort by name: A to Z Sort by name: Z to A. I tried full synthetic in my '98 4Runner and didn't like how it felt (clashing on shifting), but also didn't like straight 80w-90. Hello everyone I am hoping this is an easy question. Toyota Pickup Manual Transmission Fluid Toyota Motor Corporation uses many different transmissions in their products. Cheap and super available compared to the Amsoil, Mobil 1, and Redline I've run in the past. Note that gear oil viscosity ranges are not the same as engine oil. But be sure to use GL4 for the trans/Claas and GL5 for the axles/portals. GL-5 grade gear oil contains sulphur compounds that attack brass and. Sometimes I use GL4 but it is a lot more expensive; NAPA has it. While the individuals and entities responsible for this catalog attempt to provide accurate supplier information, for these reasons and others, the suppliers noted in this catalog may not be the supplier of the product ultimately sold by NAPA Auto Parts stores or distributors of NAPA products. I would run a synthetic gear lube in my A-833, but I don't think you need to spend the extra money. 8 out of 5 stars 628. This video debunks the part about GL5 damaging the synchro's. Author Topic: Source for standard Gear Oil GL4 and GL5 (Read 5990 times) 0 Members and 1 Guest are viewing this topic. I did not go with that line of reasoning and eventually bought NAPA GL4 80W90 gear oil which expressly stated that it was safe for trannys with bronze components. I just read the article and an interesting point to make. GL4 is usuals good with bronze syncos, GL1 is not very good for helical gears. NAPA will have GL4 (StaLube) or you can get it online. SAE 140 of course. When it comes to gear oil it depends on if there are any yellow metal parts in the gearbox. The NAPA GL-1 only contains anti foaming additive and that's it. These oils flow more than seven times faster than a conventional 5W-30 motor oil during initial start-up, yet at normal operating temperatures act like a regular Grade 30 oil. Manual Transmission Gear Oil - 85 Nissan Whether you intend to use it for work or play, your Nissan Pickup is a reliable pick-up truck that is useful for a number of occasions. 8 out of 5 stars 185. I found some SAE 90W mineral gear oil API GL1 at NAPA. SAE 75W-90, Hypoid Gear Oil API GL-5 : Amsoil Synthetic 75W-90 : AGR-QT : Rear Differential : 2. The higher EP gear lubes have anti corrosion additives. Here is what the service manual says. Oil thickness is another story and 90W gear oil is the same thickness as 30-40W motor oil which adds to the confusion. The Castrol synthetic gear oil was almost $14. CAM2 SYNAVEX Full Synthetic 75W-140 (LS) Gear Oil. Manual Transmission Gear Oil - 85 Nissan Whether you intend to use it for work or play, your Nissan Pickup is a reliable pick-up truck that is useful for a number of occasions. It says right on the bottle ' OK for brass parts '. Product - Valvoline High Performance 80W-90 Gear Oil - 1 Quart. (local transmission shop that does only manual transmissions and gear boxes. Bel-Ray Gear Saver Hypoid Gear Oil features Bel-Ray’s state-of-the-art Extreme Pressure chemistry to give unsurpassed protection for heavily-loaded shaft drive and final drive units. 0 out of 5 by 9. Hope this helps, I get tired of pulling the power pack each time I change oils. gear oil is napa sae 80-85-90. SEE HOW STP ® FIGHTS HARMFUL ENGINE DEPOSITS. Formulated with extreme-pressure additives, it helps extend chain and gear life through increased wear protection. Buy online today, or stop by your local Walmart store and pick up your Super Tech Full Synthetic 75W-90 Gear Lubricant. They all only stocked GL-5 gear oil. Hope this helps, I get tired of pulling the power pack each time I change oils. Keep your vehicle operating efficiently by having functional Nissan Pickup automatic transmission parts on the inside. standard hy-gard and most other hydraulic oils are iso 46 or heavier. NAPA SAE 85w90 Gear Oil GL4 (also meets GL3) Part #SL24239 Mfg By Sta-Lube, sibisdary of CRC Industries Bar Code 72213-24239 $25/gallon, phone order take 1-2 days to arrive, then pick it up, easy I would also consider Amsoil MTF Syncromesh GL4 or the Mobil 1 Gear Lubes they were tops in performance and lower in cost that most. But be sure to use GL4 for the trans/Claas and GL5 for the axles/portals. Toyota Pickup Manual Transmission Fluid Toyota Motor Corporation uses many different transmissions in their products. Use the genuine OE fluid. I now read that the Amsoil V-Twin stuff is loaded with extreme pressure additives. These gear oils are suitable for use at high ambient temperatures. One tube treats 1. The key to longevity is the additives for corrosion resistance. GL5 gear oil is what you use in your differential. More Buying Choices $6. Mineral-based, 85W90 hypoid gear oil for use in a wide range of highly stressed everyday gearboxes; 20L cannister for workshop useStalube 85w90 GL-4 (/gal) NAPA: NAPA is one of the better auto parts chains and they tend to carry products the rest don't. I can't feel the difference, the 1st gear in that gearbox is not synced just like in a Willys. OD does not like synthetic gear oil. Max Gear is available in the following viscosities: 75W-90, 75W-140, 80W-90, 85W-140 and SAE 90 All Max-Gear oils contain limited-slip friction modifier. You will either use the 85W90 GL-5 oil and accept that it's ok when GL-4 is called for, or you will buy GL-4 oil and use that for manual transmissions only. and Alaska) or Canada NISSAN Automatic Transmission Fluid*2 or API GL-4 Viscosity SAE 75W-85 or 75W-90. View Details MotoMaster Compressor Oil, 946-mL (3) 4. Versatile, contains anti-rust and anti-wear EP additives to provide corrosion protection in drives and hypoid gears. Royal Purple 75W140 Max Gear Oil is a high performance gear oil to provide maximum protection to heavily loaded gears while maximizing power throughout the drive train. Today I changed the oil in my '06 Toyota Matrix 5-speed at 21K miles. In transmissions which recommend Dexron or Mercon fluids we recommend our D4 ATF which is very similar to the MTL, being a GL-4 Gear Oil also. My OD seams to leak more( higher pressure???). Local WalMart is selling 80/90 Gear oil GL5 but it doesn't say anything about being compatible with Massey M1103. The only GL-4 grade is Sta-Lube 85W-90 at $40 per gallon or O-Reilly's house brand MasterPro SAE 140 for about half the price. The single grade oils performance would only be measured at 100°C. 75w140 | 75w140ls | 75w140ns | 75w140 gl4 | 75w140 oil | 75w140 napa | 75w140 syn | 75w140 lucas | 75w140 shell | 75w140 amsoil | 75w140 redline | 75w140 walmar. Their house branded gear oil is labeled NAPA Premium Performance Gear Oil, 80W-85-90, GL-3/GL-4/GL-5 part# 75-210. AMSOIL Synthetic Manual Transmission and Transaxle Gear Lube (MTG) I have 4 bottles of MT90 in my basement, ready for action if needed. Then again, what about the bottle of high performance gear oil vw sells at 60+$ a litre. Car A Rac presents recommended by manufacturers oil types. I was gonna have my '88's 5-speed's gear oil changed yesterday. No compromises. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Nissan Pathfinder SE 4x4 5-speed (man. Looking for MOBIL 1 Synthetic, SAE Grade : 75W-90, 1 qt. (3) SAE 75W/90 gear oil isn't any thicker than 20W/50 motor oil. Fill the transmission, using the above mentioned oil pump until oil starts to seep out of the fill hole. Recommended for limited slip differentials, standard differentials, manual transmissions and other components. sorry, i no longer have the additive tube. AMSOIL SAE 80W-90 Synthetic Gear Lube The 80W-90 gear lube market is mineral oil based. Pace Performance offers the best pricing on products offered by GM (General Motors). The oil is at the correct level when it reads between the upper (A) and the lower (B) marks of the dipstick. Best 80w90 gear oil Best 80w90 gear oil. 8 out of 5 stars 185. Valvoline 80/90W Gear Oil was the only one I found as sub for GL-4/5. Applicable to: '90 - '97 '99-'05 1. I use 30 weight non-detergent motor oil now new transmission in TR6 (with OD). Local WalMart is selling 80/90 Gear oil GL5 but it doesn't say anything about being compatible with Massey M1103. 2l #599 casting, bored. No additives needed. Steve's custom blend. NAPA auto parts sells a GL-4, 85W90 gear oil by Stalube. , 550045381 is rated 5. GL4 = GL4, there's not a special GL4 for transmissions and a separate one for diffs. 2na,400 auto,4:10 gears. (6 cyl) Engines and Transmissions do not have oil when they are shipped. 80B rear gear oil question? example lucas and valovine 80w90 gear oil are rated gl4/gl5 is it ok to use this type of oil? or only gl4 Edited 1 time(s). Mobil 1 75W90 Synthetic Gear Oil 1 Quart. Satisfies the gear oil viscosity requirements of 75W, 80W and motor oil viscosities of SAE 30, 10W30 and 5W30 Recommended for GL-1, GL-3 and GL-4 applications as well as where most special synchromesh fluids are specified. Might want to do some research on GL4 vs GL5. Reguires several refills and the damn hose will definitely slip off at least once and spill gear oil down your sleeve and/or into your eyes. Our fully synthetic high-performance gear oil SAE 75W-90 is a top grade, high-pressure gear oil for high-load manual, auxiliary, transaxle and hypoid transmissions, where a lubricant complying with API GL4+ is required. Meets GM, Ford and Chrysler specifications. The Super Tech Full Synthetic 75W-90 Gear Oil Quart is formulated for multi purpose extreme pressure applications, including conventional differentials, gear boxes, limited slip rear axles, manual transmissions and hypoid gears. Franklin Street Christiansburg, NC 24073. Read these instructions in thier entirety before proceeding. I found GL-4 at my local NAPA. (1) Not all gear oil is yellow metal safe. This offers maximum lubrication and gear protection over a wide temperature range. In my 1991 F150, which calls for gl4 but not gl5, I run rotella 15w40 with a bottle of Lucas transmission "snake oil". In case anyone's wondering the SE's transaxle, transfer case and front/rear differentials call for Case's FDL fluid (which may've been superseded by another Case oil by now) or 80w-90 GL4 type gear oil. how is the Leightlauf any better than the synthoil premium. Automotive Gear Oil GL-4 is formulated to provide long service life and excellent gear […]. Rated 5 out of 5 by Wreckless1 from Best price at tractor supply Since its the only 40w oil I could find for diesel that makes it the best. I believe Lubro-Moly 75W-90 is another and that brand is available in NAPA stores around here. CRC INDUSTRIES AMERICAS GROUP. Our fully synthetic gear oil is a high-performance, high-pressure gear oil for high-load manual, auxiliary, transaxle and hypoid transmissions which require a lubricant according to API GL 5. GL-4 Hypoid Gear Oil has low pour points and high temp properties to provide lubrication over a wide temperature range. The manual calls for 75w-90 gl4. The higher EP gear lubes have anti corrosion additives. My truck is a 10-15 year old restoration. This weight is the only one of the Rotella T's that is certified JASO-MA -- which is the wet clutch spec. Man at the auto supply said this oil should be OK for both. Re: GL1, GL4, GL5 gear oil in reply to Jim. The 75W90 long life gear oil makes no claim to have EP additives. The first number you see is the classification of the cold weather viscosity. I would use 75W90 viscosities for both gearbox and diffs/portals, in your climate. Either Amsoil SVG or Delvac Synthetic Gear Oil 75W90 for the axles/portals; Amsoil MTG or Delvac Synthetic Trans Fluid 50 for the trans and Claas. So, I started using Castrol HYPOY C, GL-5, SAE 80W-90 oil for all of my ATV differentials that do NOT have wet brakes. So I started to check. Carefully review the (M)SDS below to see if it’s the version you're looking for. I use the gear oil. Pennzoil Synchromesh: Says GL3 and a specific replacement for a few factory P/N lubes. Pick up a gallon at autozone and that’s plenty. 75w-85 MTF Gearbox Oils We stock a large range of hand picked, high quality 75w-85 Gear Oils, perfect for any car this grade is required. The original manual from Troy Bilt says use SAE 90 or 140 wt. I don’t know. GL4 is usuals good with bronze syncos, GL1 is not very good for helical gears. Oct 13, · >My question revolves around running a GL4 transmission fluid in a >Subaru where the transmission and front differential share the fluid. Otherwise you have to shop around for the single weight stuff. Satisfies the gear oil viscosity requirements of 75W, 80W and motor oil viscosities of SAE 30, 10W30 and 5W30 ; Recommended for GL-1, GL-3 and GL-4 applications as well as where most special synchromesh fluids are specified ; Qty: $17. The higher the grade number, the higher the oil viscosity. --Use Pennzoil Synchromesh at your own risk (not GL4 OR GL5 rated, but seems to work very well)--Do NOT use Amsoil Series 2000 75W90. Valvoline 80/90W Gear Oil was the only one I found as sub for GL-4/5. Loans are subject to cred. Sep 03, · Transmission fluid is a slick, oily substance that keeps the transmission of your car lubricated. 8 out of 5 stars 628. 90 Chev 3500 c/c 4x4,6. synonymous with EP. 80w90 MULTI PURPOSE PETROLEUM GEAR OIL GL4 SPEC. This is also what i use in my differential because there are two thin brass shims in there. standard hy-gard and most other hydraulic oils are iso 46 or heavier. 89:1 and original T-10 transmission. Product Title Valvolineâ ¢ SynPower Full Synthetic SAE 75W-90 Gear Average rating: 4. (1) Not all gear oil is yellow metal safe. ) I mentioned this on a couple other forums and someone said using GL5 will mess up my transmission because. To ensure reliability, purchase Toyota part # 08885-02506 GEAR OIL,LT 75W-85. Technical Tranny Oil And shifting 1940 3/speed Discussion in ' The Hokey Ass Message Board ' started by Matt Miller , Aug 7, 2020. Yamalube Genuine Oil 1 Gallon 2m Two Stroke Outboard Motor Tc-w3. low viscosity hy-gard is an iso 32 lubricant. Seems most of what is stocked at the local parts stores is GL5, which we don't want. Maxima 530RR Engine Oil. Re: GL1, GL4, GL5 gear oil in reply to Jim. Napa has some for $36 a quart(!) but they'd have to get it shipped in. Semi-synthetic hypoid gear oil with extremely high performance reserves. A GL4 spec non synthetic gear oil is recommended. 02’W645’ TO X Terms: Cash, 10% down payment day of auction w/balance due on or about January 7, 2015 at. I've been using synthetic gear oil for 10 years with zero ill effects. GL5 continues as a seperate spec and has twice the corrosive additives as GL4. If you filled it up with standard gear oil from the parts store, drain it right away and get the proper GL4. Royal Purple 75W140 Max Gear Oil is a high performance gear oil to provide maximum protection to heavily loaded gears while maximizing power throughout the drive train Out-performs others by combining high quality synthetic oils with Royal Purple's proprietary Syntec technology. *Average of percentages by which VECTON® exceeds the industry standard requirement limits in API CK-4 and ACEA E9-16 engine tests for viscosity maintenance, heat protection, deposit control, minimum oil limits, and acid neutralization. The service manual for my 1938 Dodge calls for 90W winter and 160W summer gear oil for the transmission. It's not easy to find anymore. Gear oils range from 70 to at least 140. These lubricants are engineered for automotive applications including heavy duty axles and final drives where extreme pressures and shock loading are expected. When I switched to the Sta-Lube GL4 oil my shifts became smooth and fast. NAPA SAE 85w90 Gear Oil GL4 (also meets GL3) Part #SL24239 Mfg By Sta-Lube, sibisdary of CRC Industries Bar Code 72213-24239 $25/gallon, phone order take 1-2 days to arrive, then pick it up, easy I would also consider Amsoil MTF Syncromesh GL4 or the Mobil 1 Gear Lubes they were tops in performance and lower in cost that most. The shifting was terrible. Including 88900401 - GM/AC Delco Synthetic Axle Lubricant- 75W-90 Weight - 1 Quart. Wal mart has some GL4, CRC brand, never heard of it. The stuff I used was touted as " straight mineral oil " and was non-detergent. Now, for the transmission, use only GL4 or make sure your gear lube is safe for yellow metals. For example a 80W-90 gear oil overlaps 30-50 engine oil. Finally, does someone have a better method of head light alignment than the 30 feet in a straight line from the wall as per the MMOC, the furthest I. FREE Shipping on your first order. *Average of percentages by which VECTON® exceeds the industry standard requirement limits in API CK-4 and ACEA E9-16 engine tests for viscosity maintenance, heat protection, deposit control, minimum oil limits, and acid neutralization. Like less friction ,,more cushoning between gears,,it has an (EP) rating (extreme Presure ) NOT that that matters,,but EP is suppose to cling to metal longer. Sometimes I use GL4 but it is a lot more expensive; NAPA has it. Find Driven Racing Oil GL-4 Gear Oil 04530 and get Free Shipping on Orders Over $99 at Summit Racing! Driven Racing Oil GL-4 conventional gear oil is designed to deliver maximum performance and protection. SAE 140 of course. No compromises. Rated 5 out of 5 by Wreckless1 from Best price at tractor supply Since its the only 40w oil I could find for diesel that makes it the best. Toyota Pick Up 4WD L W46 Transmission / W55 Transmission , Manual Transmission Mount by DEA®. Not recommended for wet clutches. NAPA (store #7) had some in stock but it was something odd in a 140W, for some kind of heavy equipment or something. SEE HOW STP ® FIGHTS HARMFUL ENGINE DEPOSITS. I've tried adjusting the clutch but not much improvement. I'll probably drain it again in a week and repeat. 90 (41 used & new offers) Best Seller in Gear Oils. Ideal for Street Rod and Muscle Car Transmissions Such as New Process, Muncie, Borg Warner, Ford Toploader, Dearborn and Saginaw. 02’W645’ TO X Terms: Cash, 10% down payment day of auction w/balance due on or about January 7, 2015 at. The owner’s manual was written in 1939. Sep 03, · Transmission fluid is a slick, oily substance that keeps the transmission of your car lubricated. Valvoline High Performance 80W-90 Gear Oil - 1 Quart. what type of fluid or gear oil goes. That's some secret stuff probably, vw branded as well. 3 out of 5 stars. Thankfully, Amazon and NAPA still stock the Sta-Lube GL4 gear oil. _____ M38 23100 June 51 M38 34523 Sep 51. In my differentials I put easily available Valvoline GL5 gear oil. Toyota installed Conventional gear lubes in your truck at the factory because Toyota knows they can enable your tranny and rear end last ,+ miles. All grades are rust and oxidation inhibited and contain an effective anti-wear additive and anti-foam additives to release entrained air rapidly. ) I mentioned this on a couple other forums and someone said using GL5 will mess up my transmission because. That is what I have in my system (GL5 and TRansX). Best 80w90 gear oil Best 80w90 gear oil. Here is a 2nd resp[onse: I posted my results years ago. I wanted to fill up the Super T-10 with oil before it goes in, and was disappointed not to get some oil today for synchromesh service because of viscosity issues. ,, Bikes Ive owned, \'69 Norton,\'48 Harley panhead, \'71 Bsa, \'76 gl1000,\'93 Harley ultra,\'03 Harley ultra,\'05 Sportster, \'82 GW 1100. Mainly the 75W-90 but also the 110, 140, 190 and 25. Please try again. : 5 speed and Transfer case. MotoMaster Extreme Pressure Gear Oil is a multipurpose gear lubricant whose high-performance level is obtained by using a sulphur-phosphorus additive system for manual transmissions, differentials, final drives, and other gear cases of trucks, buses and farm equipment. Also had a drain hole drilled and tapped when Quantum Mechanics rebuilt the diff. 75" Oversized Heavy Duty Rotor w/ 4-Knives @ 125 Lbs. SELECT STORE. Wal mart has some GL4, CRC brand, never heard of it. The owners manual calls for 75W-90 GL4 or GL5, so I used Valvoline 75W-90 GL5 oil. Read More. If you are going to be working the tractor hard,then use a GL4 marine gear lube which is more like an engine oil with less phosphorous and will not attack the yellow metals. GL-4 Hypoid Gear Oil has low pour points and high temp properties to provide lubrication over a wide temperature range. Is the Eaton Posi Rebuildable? Yes. Steve's custom blend. A film of grease will not bother anything, then top the steering box off with the gear lube. The factory spec is to use SAE 90 hypoid oil GL4. A GL4 spec non synthetic gear oil is recommended. I have a 1972 with manual gearbox. TDTO is recommended for use in all Caterpillar hydraulic and hydrostatic systems. Napa has Sta-Lube brand Hypoid SAE 85W90 gear oil API GL 4 wich is safe on brass and bronze , the yellow metals After reading all of the opinions online I finally came to agree that this is the best I found. I'm currently building up a replacement engine. EP90 Gear Oil GL4 protects bearings and gear teeth in severe working conditions. but i do not think that i have any local dealers. Thankfully, Amazon and NAPA still stock the Sta-Lube GL4 gear oil. So, I started using Castrol HYPOY C, GL-5, SAE 80W-90 oil for all of my ATV differentials that do NOT have wet brakes. The only GL-4 grade is Sta-Lube 85W-90 at $40 per gallon or O-Reilly's house brand MasterPro SAE 140 for about half the price. RAVENOL Transfer Fluid DTF-1 is a PAO (Poly-alpha-olefin) based, fully synthetic ATF (Automatic Transmission Fluid) with a special additive and inhibition, which ensure the proper functioning of the active transfer case. Other GL-4 products can be had from motorcycle shops, but they are way over priced. 75w90 | 75w90 gl4 | 75w90 synthetic gear oil walmart | 75w90ns | 75w90gearoil | 75w90 gl3 | 75w90 gl5 | 75w90 sds | 75w90 gl-4 | 75w90 gl-5 | 75w90 napa | 75w90. STA-LUBE®, founded in 1933 and an innovator in the use of additives to create high performance motor oil, was acquired by CRC in 1995. gear oil and universal transmission oil (one size fits all) with excellent results. Some older Aisan manual transmissions in Toyotas call for GL4 and most newer ones call for GL5. I always thought over time gear lube destroys the brass synchros. I would run a synthetic gear lube in my A-833, but I don't think you need to spend the extra money. GL-4/GL-5 is really GL-5 and should not be used in transmissions. It also seems they have a Lodexol 80W-90 API GL4 Gear Oil which also is mineral oil. If you should run across some other brand of GL4, such as Valvoline, etc, that is fine. Gear oils with GL4 on the label aren't THAT hard to find Chevron 80W-90 is one. In transmissions which recommend Dexron or Mercon fluids we recommend our D4 ATF which is very similar to the MTL, being a GL-4 Gear Oil also. It does not leak as bad as 134. Napa has a StaLube oil which is GL4. If your gear lube is up to snuff, you may have some worn synchronizer parts. The ‘W” in motor and gear oil stands for winter. GL1, or motor oil, provides no such protection. Designed for use in all types of manual industrial transmission applications. You can even use synthetic oil if you don't feel the need to be speed shifting at every opportunity. If it has hypoid gears then GL5 is required to avoid gear damage. Meropa® Synthetic WM. Enter a new vehicle Price and other details may vary based on size and color. While the individuals and entities responsible for this catalog attempt to provide accurate supplier information, for these reasons and others, the suppliers noted in this catalog may not be the supplier of the product ultimately sold by NAPA Auto Parts stores or distributors of NAPA products. Coolant - Indicate whether coolant is used and if so, what type. Best 80w90 gear oil Best 80w90 gear oil. If it isn't it could mess up your charging system over time. *Commercial Financing provided by Currency Capital, LLC and loans made or arranged pursuant to California Finance Lenders Law license number 60DBO-56173. 1qt bottle from Napa is SL24229. 75w85 | 75w85 vs 80w90 gear oil | 75w85 | 75w85wsyntorq | 75w85 oil | 75w85 gl4 | 75w85 gl5 | 75w85 napa | 75w85 gl-5 | 75w85 mopar | 75w85 hypoid | 75w85 redli DA: 57 PA: 49 MOZ Rank: 96 75w85 | Red Line Synthetic Oil. Toyota Pickup Manual Transmission Fluid Toyota Motor Corporation uses many different transmissions in their products. I found this at tractor supply. We have thousands of listings and a variety of research tools to help you find the perfect car or truck. To ensure reliability, purchase Mopar part # 4874459 *LUBRICANT-GEAR. Recommended for limited slip differentials, standard differentials, manual transmissions and other components. Man at the auto supply said this oil should be OK for both. Swepco 210 (80w-140 GL-5) in t he Transaxle and Front. Valvoline High Performance 80W-90 Gear Oil - 1 Quart. Automatic Transmission Drain Plug Seal by Genuine®. Pennzoil HD-50 (SJ rated) engine oil, or Valvoline VR1 racing 50 wt. I used 20W-50 Castrol. The Castrol synthetic gear oil was almost $14. Carefully review the (M)SDS below to see if it’s the version you're looking for. 5l 0A4 transmission. Check here for special coupons and promotions. I would use 75W90 viscosities for both gearbox and diffs/portals, in your climate. GL5 and maybe GL4 (not sure about 4) MAY have addatives that can damage your transmission. Will use UTF in the hydraulic section. The formula features proven oil technology to provide application-specific performance for gear boxes, transaxles, and transmissions that call for GL-4 gear oil. I've put in synthetic 75W-90 gear oil with an API rating of GL-5. GL4-5 Gear oil from the. I have a 1972 with manual gearbox. The oil is at the correct level when it reads between the upper (A) and the lower (B) marks of the dipstick. along with being suitable for hydraulic / hydrostatic applications, it is also suitable for gear transmissions. More Buying Choices $6. Valvoline 80/90W Gear Oil was the only one I found as sub for GL-4/5. In theory ATFs and MTFs can be any viscosity as required by the OEM. I highly recommend Redline MT-90. The only GL-4 grade is Sta-Lube 85W-90 at $40 per gallon or O-Reilly's house brand MasterPro SAE 140 for about half the price. Order Gear Oil - 75W-90 for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. It says right on the bottle ' OK for brass parts '. Need info about changing out fluid in a 4 speed bolted to back of L16, idk if I use 80w gear oil, I was told to use a SAL brand. One local auto supply (O'Reilly) has a container of gear lube marked "80w 90" weight. When it did start, I got a some white smoke and ruff idle. Gear oil is used as a lubricant between the moving parts of a gear system so that the gears mesh and turn smoothly. Why do I see a “W” on my engine and gear oil? Simply explained, this means the oil being used is a multi-viscosity application. Valvoline™ High Performance SAE 80W-90 Gear Oil MSDS Special Notice: Our database is made up of both MSDS and SDS. Last week with the swealtering heat, I drove 300 miles non stop and had no issues with disengaging. There is no need or benefit to adding additional limited-slip friction. AutohausAZ offers a large selection of Genuine BMW parts online. 1-16 of 152 results for "gl4 gear oil" Filter results by your vehicle: Enter a new vehicle to add it to Your Garage and filter the results below. IÏ ô”pÐÓþ©ä TêŸ|p)ÄŠà:æ#Ľžsv{-×ûëRŠógϦ†DÑ4ºÙ Rš›¨!èJ&$Æ Ó¢Ì˜^‰ µ_`yÜW³# èð‚ã"s èª ¡Òéþ„/‘Wêùg ¶¼ à8ÆÅOÏ‘ÃÉF Ü>CB $– nŸ!a ¨‚yÓˆ½yVþ ÃÐËÍ=•ûü æÝÞ™aš ¾ò|Ëht´Ä rC¼XPÆÉñ–‡ ù*»°• ¾ ÑŽ ¶ê½$ìŠ ä £®8œ AËÌc>9Esêc >À. 90 Chev 3500 c/c 4x4,6. it only grinds on 3rd gear every time trying to downshift from 4th to 3rd. Gl4 is not void of it. If it's like a grease it's likely "00" grease. I don't know if a run of the mill GL5 oil typically sold today would be an OK substitution for the GL4 or not. It is GL1 and very reasonably priced. NAPA SAE 85w90 Gear Oil GL4 (also meets GL3) Part #SL24239 Mfg By Sta-Lube, sibisdary of CRC Industries Bar Code 72213-24239 $25/gallon, phone order take 1-2 days to arrive, then pick it up, easy I would also consider Amsoil MTF Syncromesh GL4 or the Mobil 1 Gear Lubes they were tops in performance and lower in cost that most. 02 Difference between GL4 & GL5 It should be noted that Rye Oil Ltd is a blender of lubricants and as such, we can blend anything that is required. The factory spec is to use SAE 90 hypoid oil GL4. More Buying Choices $6. 1) Oil Spec--GL4 is recommended--Do not use GL5 as it contains extra additives which will harm your trans. Max Gear is available in the following viscosities: 75W-90, 75W-140, 80W-90, 85W-140 and SAE 90 All Max-Gear oils contain limited-slip friction modifier. *Commercial Financing provided by Currency Capital, LLC and loans made or arranged pursuant to California Finance Lenders Law license number 60DBO-56173. at winter time a small engine wil perform much better using a thinner grade of oil so the 80 will be fine and if in a hot country you can put 90 in ,drive safely,fron ron hughes the car doctor. He claimed there would be a 30-40% loss of shift quality when using synthetic gear oil. I currently have Napa SAE 90W mineral gear oil in the gear box and differential, nobody seems to know what Hypoid oil is, Moss Motors are recommending their Dynolite SAE 90 GL4, opinions please. gear oil and universal transmission oil (one size fits all) with excellent results. The higher EP gear lubes have anti corrosion additives. Loans are subject to cred. Best 80w90 gear oil Best 80w90 gear oil. In other words, a 80w-90 gear oil is much “thicker” than a 5w-30 engine. so I felt the cheap stuff has worked for 27 years, why mess with success. I currently have Napa SAE 90W mineral gear oil in the gear box and differential, nobody seems to know what Hypoid oil is, Moss Motors are recommending their Dynolite SAE 90 GL4, opinions please. He claimed there would be a 30-40% loss of shift quality when using synthetic gear oil. The main thing is to get gear oil that is designed for vehicles with yellow metal (brass) synchros. But, it didn't give me a warm and fuzzy. SAE 140 of course. Our Mopar parts and accessories are expedited directly from authorized Mopar dealers strategically located all across the U. No Napa in Ireland, actually. Gl4 gear oil advance auto keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. Price diff is $2. For starters, gear oil can come in much higher viscosity ratings. Dual Tstats, High volume peninsular pump,on shelf, Custom turbo and intercooler 85%complete. It is of a higher viscosity to better protect the gears and usually is associated with a strong sulfur smell. NAPA auto parts sells a GL-4, 85W90 gear oil by Stalube. I can`t find GL4 for my tranny. 6L MFI DOHC--32629802. In practice ATFs are approx. I have always, in the past, used GL5, but it said on the bottle safe for yellow metals. It's probably true. SELECT STORE. A four ounce bottle of friction additive/modifier is also necessary for optimum performance. This vehicle uses "gear oil" specifically 75W GL-4 if you have low mileageW or 85W can be used if you are up there in mileage (closing in on K?). Be careful with your synthetics, some are too slippery for the synchronizer ring to do its job. In theory ATFs and MTFs can be any viscosity as required by the OEM. In the Forum, they were referring to greasing the sector when assembling the gearbox. No compromises. 1986 to 1996 Manual Transmission and Transfer case use API GL4 or GL4 and GL5 80W90 or 75W90. The only gear oil I can find in Ontario is GL5. com: gl4 gear oil. It can be purchased at any NAPA store and is usually in stock. Mainly the 75W-90 but also the 110, 140, 190 and 25. My understanding is that GL5 is for rear ends and GL4 is for manual transmissions like my toploader. There is a problem adding to cart. low viscosity hy-gard is an iso 32 lubricant. Save more with Subscribe & Save. Only reason I can fathom why MG specs GL4 in the 6-speed gearbox (yet GL5 is spec'd in the CARC bevel box) is that there must be yellow metals (brass) in it. 85w 90 | sae 85w 90 gear oil | sae 85w 90 gear oil vs sae 90w | 85w 90 gear oil | 85w 90 gear oil gl4 | 85w90 | 85w90 ls | 85w90 gl5 | 85w90 oil | 85w90 napa |. MTL 75W80 GL-4 Gear Oil Popular for BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 and NV5600 truck transmissions A popular replacement for and improvement over GM Synchromesh® (#12345349), Auto-Trak II® (#12378508) and Chrysler spec MS-9224. It has since been updated to GL5. Valvoline High Performance Gear Oil: factory says GL4 and GL5 and will not corrode brass, however on the bottle says: GL4/5 for differentials, and non-synchronized transmission that require GL5. Use the genuine OE fluid. Also, the GL5 is too slick and your synchro relies on a bit of drag. Brands, convential or synthetic, weights, types. Tell me about them - Toyota 4Runner Forum - Largest 4Runner Forum. Lots of guys run 10w-30 crankcase oil in their 241s, but I have not seen a long term, scientific test to determine whether or not it is "better. Perhaps someone can chime in regarding some conventional non syn GL4 gear oil. GL5 continues as a seperate spec and has twice the corrosive additives as GL4. I don't know if a run of the mill GL5 oil typically sold today would be an OK substitution for the GL4 or not. If it has hypoid gears then GL5 is required to avoid gear damage. and are backed by the manufacturer's 12 month, 12,000 mile warranty. Drip Bottle (4F744)? Grainger's got your back. Unlike grease that won't flow well when it's cold the 00 moves around and protects. Re: GL1, GL4, GL5 gear oil in reply to Jim. GL4 is the gear oil REQUIRED vintage Muncie transmissions. Red Line Oil makes a synthetic 75W-85 GL-5 gear oil. They also use gear oil, which helps your vehicle's transmission operate smoothly. My transfer case fluid is in need of changing. This versatile lubricant contains anti-rust and anti-wear EP additives to provide the corrosion protection in drives and hypoid gears. All Toyota manual transaxles use API GL-4 or GL-5 (oil grade), 75W or 80W (viscosity) gear oil. Formulated using unique additive system and synthetic base stocks, this gear oil has exceptionally flow characteristic, low pour point and high viscosity index. This gear oil formula is fortified with special anti-wear agents and lubricity agents to control wear and drag as well as special additives to control heat. Standard. I use Sta-Lube GL4 80w/90. Just changed rear gear oil in my 1556 yesterday. I would run a synthetic gear lube in my A-833, but I don't think you need to spend the extra money. Meets GM, Ford and Chrysler specifications. AMSOIL Synthetic Manual Transmission and Transaxle Gear Lube (MTG) I have 4 bottles of MT90 in my basement, ready for action if needed. Just like with engine oil, much has changed for the better in petroleum products in the past 80 years. Hello everyone I am hoping this is an easy question. id use what the manual says, but be damn sure. Engine oils are zero to 60, and there is considerable overlap. A thermally stable, extreme-pressure gear lubricant, it is designed to operate and protect in both high and low extreme-temperature conditions. MTL 75W80 GL-4 Gear Oil Popular for BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 and NV5600 truck transmissions A popular replacement for and improvement over GM Synchromesh® (#12345349), Auto-Trak II® (#12378508) and Chrysler spec MS-9224. Order Gear Oil - 75W-140 for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. FYI: Valvoline and NAPA oils both come from Ashland Oil Co. Now, for the transmission, use only GL4 or make sure your gear lube is safe for yellow metals. For example, Redline MT90 is a great GL4 75w90 manual transmission gear oil. Automatic Transmission Drain Plug Seal by Genuine®. Lots of discussion about which fluids to use, but I'd be cautious with GL5 products. I tried full synthetic in my '98 4Runner and didn't like how it felt (clashing on shifting), but also didn't like straight 80w-90. 85w 90 | sae 85w 90 gear oil | sae 85w 90 gear oil vs sae 90w | 85w 90 gear oil | 85w 90 gear oil gl4 | 85w90 | 85w90 ls | 85w90 gl5 | 85w90 oil | 85w90 napa |. BTW, in the past I have used both GL4 and GL5 with no effect to the brass syncros using GL5 with almost 61,000 mi. Multi-Gear Concentrate BG MGC® is a technically advanced gear oil supplement that enhances lubricant film thickness and improves extreme pressure properties for gear surfaces and other moving parts under frictional conditions. The manual calls for 75w-90 gl4. This is a 90W gear oil, and is not so ‘heavy’ in structure. I don't remember the GL rating off hand though. Both trucks are Blue 90 4x4 crews. Applicable to: '90 - '97 '99-'05 1. Thinner oil would be for those folks that want to be able to steer their Heeps in below freezing weather. gear oil and universal transmission oil (one size fits all) with excellent results. Re: lower unit oil vs. I found some SAE 90W mineral gear oil API GL1 at NAPA. Red Line has a reputation with racers and enthusiasts alike for creating products that perform and protect better than any on the market. It's are very hard to find a good GL4 only oil here, and they sure as hell don't sell any off-brand shit anywhere around here. Product - Valvoline High Performance 80W-90 Gear Oil - 1 Quart. SHOP for (5-Gallon Pails $33.