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Gear oil 90 has a kinematic viscosity range of 13.5 to 18.4 mm²/s, while gear oil 140 has a higher range of 24.0 to 32.4 mm²/s. This means gear oil 140 has a thicker consistency than gear oil 90. The higher kinematic viscosity of gear oil 140 allows it to provide better viscosity-temperature behavior and withstand higher loads.Received 521 Likes on 400 Posts. well it all depends is yours a open diff? pretty much any lube that meets or exceeds the GL-5 spec is a pretty good oil and will serve you well. i would use either 85w90 or 75w140 depending on how the axle was built i would use the 75w140 if it has a locker of the axle was built with "play" in it. the break in ...The gear oil is causing corrosion. This is a problem because it leads to decreased performance and unsatisfied customers. 4. Genuine Honda Fluid 08200-9003 Vtm-4 Differential Fluid. We love the Genuine Honda Fluid 08200-9003 VTM-4 Differential Fluid because it is an original production by the Honda Company.6976 posts · Joined 2007. #16 · Jan 12, 2010. it has to be compatible with the WET CLUTCH, and not "energy conserving" like many car oils are now. Interesting Court. LOORRS Rookie of the Year. Unlimited UTV 2009 :banana: Benchmark 686, (67.6 RWHP ) HRT Motorsports cage, LSR XTR 6.5. Rugged RRP600.Front Differential with a G2 fluid, which is a GL5 75W85 @ $59.49/ .5 liter. Rear Differential with a G3 fluid, which is a GL5 70W80 @ $80.49/ .5 liter. Both take a little over .5 liter, so I would need to buy 2x .5 liters of each, which is $280 just in gear oil. It's even higher if you purchase from a Dealer.However, the Rubcon has True-Loc (not Trac-loc). Trac-loc is a limited lip differential, True-loc is a true mechanical lock. The manual mentions both because the manual is not specific to the Rubicon. I bought Castrol conventional gear oil for my Rubicon and it seems fine. The cheapest thing would have been O'Reilly's brand oil in bulk.Best Differential Fluid #1: Red Line 75W90 GL-5 Gear Oil Red Line Synthetic Oil is one of the prominent manufacturers of synthetic lubricants for your car's multiple components. It is a totally synthetic oil that may be used in a huge variety of cars and trucks, including models from General Motors, Ford, BMW, and Mercedes-Benz.Simply screw the pump onto the top of the oil jug or bottle, and voila, your bottle of oil is now pump-operated. Yup, just like those big mustard tubs at the ballpark. Here’s that same AMC 20 diff. With the pump screwed securely onto the gear oil bottle, you just feed the tube into the fill hole and pump the top of the bottle.The 75w-85 is a synthetic oil destined for the lubrication of automobiles and several gear-based technologies. It is crucial to interpret what 75w-85 stands for to understand its applications and uses better. The number before W stands for the viscosity at low temperatures, while the one after denotes the viscosity ranking at the operating temperature.Container Size: 55 Gallon. Oil Composition: Conventional. Viscosity Grade/Weight: 80W-90. Maintaining the gear oil in your vehicle is crucial to the life of your manual transmission and differential. If your car is subjected to extreme environments or driving conditions, it may be necessary to change your gear oil more often than your owner's ...DIFFERENTIAL | LIMITED SLIP - What gear oil do you recommend for limited-slip differentials? Using non-synthetic 80W-90 GL-5 will produce optimum performance in our Dura Grip clutch-type units. Learn more about LSD oils, and drivetrain lubrication in general, by watching our “Tech Talks, Oils and Additives” video. Tech Talks, Oils and ...Here is another one I found concerning differential oil (GL4): Pennzoil Platinum Gear 75W90 GL4 "...Pennzoil Platinum Gear 75W-90 is a full synthetic, API GL-4 manual transmission/gear oil for passenger cars and light trucks. SAE 75W-90 will cover most manual transmissions requiring an API GL-4 oil. Some transfer cases could also require this ...API/GL-5 Plus New Generation™ Limited Slip Gear Oil 80W90, 1 Gal. GL-5 Heavy Duty Gear Oil is an extreme pressure, multi-purpose, automotive gear lubricant. Excellent performance for differentials operating under high speed, low torque; and low speed, high torque conditions. It meets SAE, military and commercial specs.The information as listed in Technical Service Bulletin (TSB) DL003-03 is accurate. Toyota Genuine Synthetic Gear Oil or any other synthetic gear oil can not Yes, this condition also applies to the front differential and transfer case. National Customer Relations I would put my money on the incompatibilty issue being group IV PAO related though.For standard differentials, we typically recommend EP 80W90 with GL-5 additive. Our partners, the axle manufacturers, have specific recommendations for different applications, as well.” What keeps everything protected and rotating inside the rearend is the viscosity of the gear lubricant being used.I'm in the process of changing my differential oil and need a recommendation on the best gear oil and friction additive. I've never changed the gear oil since new, so I figured it's about time. It's an 04 LeMans edition with 24,000 miles and stock rear end. No mods. Not a lot of miles but since it's 15 years old it has got to be getting tired ...If your running a Ford 9 inch stay away from synthetics, regular 80w90 takes the heat out better. Add your bottle of addative to that. Synthetics dont adhear well to the gears, but they work ok in ten bolts and twelve bolts due to the pinion location. Any questions call Doug Demoss at Quick Performance 515 232 0126.If you want the top-of-the-line, gold standard rear differential fluid for your 2015 GMC Sierra 1500, look no further than SAE 75W-85 API GL-5 synthetic gear lubricant. It's not a brand, per se, but it is the right kind of lubricant your rear axle needs.This allows the fluid to drain more thoroughly while it's being drained. Step 2. Ensure the vehicle and differential are in a level position for the entire fluid change. Most Ford F-350 rear differential gear oil changes can be done on a flat-level surface without lifting the vehicle. Step 3.I had good luck with Mobil 1 Gear Oil 75W-90 and 75W-140, with a tube of CRC PosiTrak limited slip additive: the locker worked very well. T. tblazed. Joined Aug 28, 2004 Messages 143 ... Most differential gear oils do contain the limited slip additive. Some GM differentials do require a special gear oil. Check the "Chek-Chart" in an auto parts ...Want to change the differentials (both) and transfer case oil. Manuals calls. 1. differentials: "Toyota synthetic 75W-85". 2. Transfer case ". $30 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2) 75W-90 ". Both GL-5. On stores ther is Valvoline and Mobil 1 synthetic 75W-90.Search for the Amsoil gear oil test and read it. Just get the Mobil 1 75W140 available at any auto parts store. The 9.25" Dodge rear R&P is not a weak link, those half shafts are. The Dodge 9.25" is also fine on 75W90 if you only do light towing and you will pick up a little more efficiency and driven power.The Midwest. Jun 19, 2016. #5. I owned a WRX I bought new and sold with 136K on it. I used Valvoline Synpower 75W90 in the rear end for well over 100K of that. My WRX was modded running running a 13.6 1/4 mile. The tiny rear end held up fine against the drivetrain shock of all wheel drive and a manual transmission.Learn about the best differential fluids for your car or truck, whether you have an open or limited-slip differential. Find out how to change your rear differential fluid and when to do it, and see the features and benefits of five top gear oils.

Lincoln Town Car Designer Series / Executive / Executive L / Signature / Signature L / Signature Limited Sedan 2007, SAE 80W-90 Premium Rear Axle Lubricant by Motorcraft®. Location: Rear. Viscosity: SAE 80W-90. Oil Base: Synthetic. Oil... $9.24. Eneos® SAE 75W-90 API GL-5 Gear Oil, 1 Quart.audioAl. 718 posts · Joined 2012. #8 · Jul 23, 2019. Valvoline is good, I just changed my diff oil at51,000 miles. I go to Optimum Performance for my fluids @ www.opmustang.com They offer B&G w/ls friction modifier in the qt's. I got 75w140w myself. 2014 DIB 3.7 "Blue Cyclone" /Sold.Sensor safe, non-toxic, and non-flammable. › See more product details. Report an issue with this product or seller. This item: Permatex 81182 Gear Oil RTV Gasket Maker, 3 oz (Packaging May Vary) $1102 ($3.67/Ounce) +. Ford Genuine Ford Fluid XL-3 Friction Modifier Additive - 4 oz. $1292.This reduces friction. But, that means that a differential operating in 75W-140 oil will have fractionally less locking effect than the same unit operating in 75W-90. This difference is not night and day – the changes are subtle. But if you’re fine-tuning a race car, it does offer one more knob that you can turn.Auburn Gear limited-slip differential design has been extensively tested with high quality non-synthetic 80W90 hypoid oils treated with GM or Ford friction additives (3 oz. of additive will treat 1 quart of oil). To avoid differential clutch chatter (noise) and for optimum performance, use the oil and additive described above. Use of other ...

If your running a Ford 9 inch stay away from synthetics, regular 80w90 takes the heat out better. Add your bottle of addative to that. Synthetics dont adhear well to the gears, but they work ok in ten bolts and twelve bolts due to the pinion location. Any questions call Doug Demoss at Quick Performance 515 232 0126.Redline synthetic gear oil. Perfect for all stock Miata differentials, including all types of factory limited slips as well as aftermarket clutch-style limited slips. Slightly thicker than the stock ND diff fluid, which should give better protection under hard use.API/GL-5 Plus New Generation™ Limited Slip Gear Oil 80W90, 1 Gal. GL-5 Heavy Duty Gear Oil is an extreme pressure, multi-purpose, automotive gear lubricant. Excellent performance for differentials operating under high speed, low torque; and low speed, high torque conditions. It meets SAE, military and commercial specs.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Verdict. If you're looking for the best gear oil for je. Possible cause: Jun 19, 2017. #1. Hey guys, I was looking through my manual for my new 2017 F15.