75w85 vs 75w90 ram forum. Oct 15, 2021 · Also, note that 75W90 is fine to run vs.

75w85 vs 75w90 ram forum Most diffs were designed with 75W-90 in mind. May 20, 2021 · Hello BITOG Community Long time lurking finally joined . Dec 7, 2019 · No issues, so far. The Mopar 75W-90 product that meets this spec is not interchangeable with other 75W-90 gear lubes. Aug 27, 2003 · the transfer case call for 1. 000 miles ago. 75w90. If you have a M220 DRE/DRF sales code you're supposed to use 75W85. Nov 5, 2009 · I noticed the kinematic viscosity of the 75W-90 (does still have the LSD additive in it) is actually higher at 100 degC than the 80W-90 (15. Z. My older Toyota Corolla specs either a GL4 or GL5 75w-90 and Valvoline GL5 75w-90 seems to be the only available fluid anywhere these days, and it works great for me. Any difference that matters here? One is bone Jul 15, 2020 · I just use SuperTech 75w-140 in my old junks that require 75w-90. Tacomas (2016-2023) > Welcome to Tacoma World! Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2). May 9, 2014 · The difference between 75w85 and 75w90 is the 85 would be 5w30, and the 90w would be 5w40. If you want syn: - Castrol Multivehicle 75w90 and sisters Ford 75w90 BO, Castrol BOT 130M, Volvo 1161723, Motorcraft MT-XT-QS. 91. I used 75W85 Redline when I changed mine last, but will switch to the Valvoline next time I change the diffs. Front Notes. 10's with the rear limited slip. at the expense of better feel. Does anyone on here just use 75W-90 synthetic instead due to cost and it being a similar weight oil? Oct 27, 2023 · So I ordered gear oil for my truck but wound up ordering the 75W85 with friction modifier that I intended to use in the front differential. Ravenol, Redline, etc. Just some FYI, I changed all the gear oil in my 03 to Mobil 1 75w 90 and when it's cold out, the shifting is stiff. MS-9763, SAE 75W-90. Sep 15, 2015 · The largest 4Runner community in the world. I've never seen a diff blow up from to heavy a fluid,but have seen them blow up from to light a fluid. Check your manual to see if one is required over the other. Apr 22, 2023 · In one of the summer cars, I use a blend of the Redline 75W-90 and 75W-90 NS oils to "tune" the differential lock characteristics. The front specs 75w90, the rear wants 75w85. Generally, 75w85 gear oil tends to be slightly more expensive than 75w90 due to its specialized formulation. I'd use any of the name brand full synthetic GL5 75w90. “Considered” to give better gas mileage, 75W85 isn’t always the better oil in real life. May 4, 2003 · Forums. Thread starter kr_bitog Start date Forums. It gets thicker when introduced to heat and thinner when exposed to the sudden drop in the temperature. 005 mileage increase for the 85. 90 vs. Requires Limited-Slip additive. It would save me about $10 if I exchanged. Oct 21, 2015 · I have a question for everyone. the 75w-85 full synth oil is GL-5 / MT-1 compliant . Between build sheet and alldatadiy. Redline says GL-5 75w90 for both. Toyota calls for a real thin oil for new diffs too and it is also priced like liquid gold. Would a synthetic Valvoline 75w-90 or Mobil 1 75w-90 be an acceptable substitute? Jun 1, 2009 · I wouldn't risk it. ATF, Differential, Trans, Brakes, P/S. I wanna use Redline, but Redline offers 75W85 for TC and differentials, while Toyota wants 75W90. The book calls for 75-90 but that seems thin to me based on past experience. Jun 24, 2023 · I have a 2009 Pilot EX-L where the manual calls for using Hypoid gear oil GL4 or GL5 with a viscosity of SAE 90 or 80W-90. 144 Pour point. 17. Red Line makes a 75w90 GL5 in both a limited slip variety and non-limited slip variety. It definitely helped my rear diff quiet down a little bit. 47 vs. 14. I would have never guessed that the synthetic gear oil would do that. Dec 3, 2002 · Clutch, Transmission, Differential, Axle & Transfer Case - 75w90 vs 75w140 - Is it safe to use 75w90 in place of 75w140 in a 99 F150 rear end? I plan on using synthetic and have heard (on this forum) of people using 75W90 with good results? Jun 4, 2014 · Auto store counter help have never seen 75W-85 gear oil? That's interesting. 75W90 Gear Oil Comparison Sep 5, 2013 · I will continue to use Amsoil Severe Gear 75w90 for the life of the diffs if I don't have any problems. I used Redline 75W90 GL5 in the rear and front diff and transfer case. Jun 10, 2024 · I have to check my manual for the recommended gear oil viscosity. Forums. as anyone who has wanted to go to a synthetic quality gl4 gear oil from the stuff that comes from the factory, you know we are limited to Redline and Castrol who are really the only 2 who make 75w-85 (that I can find). The newer Toyota 75W fluid specification contains a better additive formulation, higher quality additives and advanced fully synthetic base oils when compared to popular entry-level 75W-90 gear oils. I have a line on gear oil, but its 85w90. MS-9763. That why I think that the replacement of 80W-90, in synthetic oil, is actually 75W-110. The 75w90, however, is capable of acting as a protective shield against water vapors, and therefore, it is effective at protecting the gears from corrosion and rust. Cost-effectiveness plays a crucial role in decision-making. Used the same in my Subaru's front and rear diffs. The spec is Mopar MS-A0160. I think it was $6. In the end, both gear oils are often interchangeable. Dec 10, 2023 · So, while I can’t say 75W90 is the 75W85 gear oil equivalent, it’s a pretty legit alternative gear oil. com Bronco Raptor - BroncoRaptorForum. Sep 8, 2024 · The 75w85 is not formulated to prevent rust as it was primarily designed to act as a lubricant, and it cannot offer additional protection for rusting. Everytime they go after better milege numbers oils and fluids get lighter,the rearends haven't changed,just their milege claims have changed,lol. 86 for 75w140 It probably won't hurt anything, though. I for the life of me dont know why they would spec the "5w30" version for a 2500 that tows. 75W-85 vs 75W-90: Similarities Aug 20, 2003 · In the past I have used 75w-90. I was wondering if you all think the 90 weight would be better for longevity VS . 75w85 vs 85w90 oil for diff. the 75W85. Jun 6, 2015 · And even if towing, required stronger film oil, then I think that probably the 75W-90, at 40-50C is not sufficient when the design asks for 80W-90 viscosity. 9). 75W85 GL4 vs 75W85 GL4/GL5 vs 75w90 Dec 8, 2021 · Typical older 75w-90 will sheer down to the 80/85 range, that's why the newer specs allow the thinner gear oils, because the newer formulas will not sheer much. HEMI, 3. Not sure why their is that discrepancy, both trucks must use the same chassis components. 55 rear ratio 235mm rear axle Conventional Feb 20, 2017 · Ah, ok, I think the HDs call for 75W90; the 1500 front diffs call for 75W85 but only Mopar and Redline make it that I could find. It seems like everyone uses Red Line in their BMW differentials, so I’ll probably use it Aug 22, 2016 · Next, I pulled the fill plug (no fluid came out) and checked the level with my pinky. the second number measures the flow at operating temperatures. Sep 13, 2023 · 75W-90 Gear Oil: While 75W-90 can also be used in limited-slip differentials, it may not provide the same degree of friction modification as 75W-85. Lubrication and General Automotive Run either a dino 80w-90 or syn 75w-90 in GL-5 and be done with it. Thanks I have same dilemma. Go with the Amsoil 75w-90, or the Reline 75W-85 GL5 - whichever you feel better about and can obtain at a reasonable price. 1 VI. And NO additional limited slip friction modifier needed. Book calls for 75w85, but that is hard to find and expensive, so most use 75w90, as do I. 85 offers a bit more protection as temps rise. SAE 75w 90 has a more consistent thickness. Relatively primitive technology without the VTM-4 electronics. I’ve been running 75w90 in it with no issue. Both of these oils are high-grade lubricants with many efficient features. No. Jul 28, 2021 · Anyone have any issues running the widely available 75W90? I think Royal Purple and Redline make 75W85, but I’m having a hard time tracking that down. I'm going to replace it just in case. Going to 75W-85 is a minor fuel-economy-boosting endeavor. 0 vs. Thanks guys Apr 20, 2020 · The 1500s use 75W-140 in the rear 75W-90 in the front, doesn't matter if the truck has LSD or not. 1 Cold-Weather Performance: 75W-80: Excellent cold-weather flow. Does Amsoil charge more for the 75w140 than the 75w90? Walmart charges $6. So I checked Fuchs Sintopoid 75W-90 and found that Motul 75W-90 is better until I found Fuchs Sintopoid LS 75W-90 which is better than regular 75W-90. manual says it has to be synthetic 75w85. I personally feel like Millers Oils MTF's give a slicker shift, but it's hard to gauge because I've never done a back to back with fresh fluid. Key Takeaways. 05 mgp hit. May 21, 2023 · You can also substitute the 75w90 from 75w75. Aug 19, 2022 · "Some still choose to use 75W-90 gear oil even though Toyota 75W transfer case fluid is specified. I'm going through all my May 13, 2018 · Front diff 75W85 is hard to find, will 75W90 be ok? making 75W-85 but a lot of dudes just use 75W-90 and don't have any problems. 75W-140 Gear Oils 6. thoughts? Seems like the 90 is much cheaper and easier May 15, 2010 · If MB uses 75W85 or 85W90, I think that using Mobil 75W90 covers both MB products. I would have thought the same. 21 geared 4X4 calls for 75W-140,it's year related. When uncertain, the heavier 75W90 option is usually Oct 6, 2007 · Redline GL5 75w90/75w85 vs Motul Gear 300. May 3, 2016 · RAM TRX - TRX-Forum. " Jan 20, 2021 · Simple answer, ‘officially’ you need to use 75W85 GL-4. The clutch packs are shimmed tight, and the blend is adjusted to eliminate chatter and tire chirp going around slow corners on the street. Final Thoughts. Mar 17, 2021 · 75w90 is a simple step up 75w110 is vehicle is worked I use 75w90 in place of all 75w85 differentials and transfer cases. 25s is split like a transfer case, it does not have a body and a cover like the rear diffs do or like you're probably used to, so I just drained it from the plugs. Feb 18, 2011 · Mopar gets approx $30-$35 a quart. Could it have been dino Dec 4, 2010 · You are assuming a lot. 75w-85 VS 75w-90 Hello, so i am planing to change my transmission fluid because i am having some issue with notchyiness and hard time shifting first thing in the morning when cold. Aug 9, 2013 · 75w-90 vs 75w85 I’m a 75w90 truck since my 2016 owners manual states it in the chassis portion of the “gas” section. My neighbor used Amsoil 75W90 in their squeeze bag in his JGC incredibly easy way to fill the diffs. It has a Limited Slip differential in it (helical type), and generally, it's understood that no friction modified or LSD additive is necessary. Also, it states the additives are all synthesized as well. If owner works vehicle, power mods, tows/plows, hauls. Jun 4, 2024 · Trans oil: Both are GL-4. Also, the consistent thickness of 75W-90 gear oil ensures it fully coats the gears, reducing friction and wear. I have seen a lot of articles that suggest using 75W-90 front Jan 28, 2023 · The fluids break down in high temps, and any more tolerance in higher operating temps helps. Posted the table to make others Aug 30, 2004 · 2017+ Ram 1500's with the C235 Rear Axle require a different 75W-90 lube. Thanks Josh Sep 15, 2017 · Why Use AMSOIL Severe Gear 75W-90 Instead Of 75W-85? Very close viscosity. Viscosity ratings 75w 85 and 75w 90 oils can be confusing. Just recently at 38K miles (over 7 years later) I changed the rear diff with the same. Dodge Ram Generations Forum. Can I mix 75w90 with 75w85? You can’t. Oct 15, 2021 · Also, note that 75W90 is fine to run vs. OK, so I have to find a dealer to put the additive in. Jun 8, 2009 · I have a 2004 Ram 3500 CTD with the 11. I dealt with this same thing with my 4Runner. 45 qts 2013 - 2017 Dec 19, 2019 · I see people on youtube using 75w-90 on their front and rear diffs but it recommends 75w-85. . Most off the shelf will be 75w90. 5 100c. Apr 20, 2020 · I've never used the 75w80 or 75w85 recommendations. 2 litres of Amsoil severe gear 75w90. I searched and my eyes went cross eyed. Dodge RAM forum to talk May 18, 2012 · Does anyone know the difference between these fluids as it relates to use in a transfer case/differential? Besides the weight, is there any real difference one would notice? 75w-90 08885-02106 75w-85 08885-02606 Nov 6, 2009 · AMSOIL - Synthetic Manual Transmission and Transaxle Gear Lube 75W-90 (MTG) I have absolutely no reservations about putting this in when I get around to changing mine. Super Tech Full Synthetic Gear Oil: Type: The base oil is much thicker: The base oil is much heavier: Provide: 75w85 provide superior gear protection: 75w90 provides high Oct 28, 2024 · Personally I use either Fuchs Sintofluid 75w80 or Millers Oils MTF 75w80 in most manual gearboxes. 4l 5speed manual. The 75W90 might take a 0. May 31, 2023 · Differences Between 75W 85 And 75W 90 Oils. '03 3500 QC SB, TST, BD Super B, Optix Gauges, NV4500 with Valair parts, AD 150, 6" Superlift, 20" DC-1's in 35x13. Are there any downsides to using 75W-90 GL-5 in the Gen 4? Jul 13, 2014 · 75W-90 synth in the rear diff and got some chatter when accelerating out of a corner. 97 for 75w90 and $11. That is highway robbery to the extreme and is a mediocre gear oil at best. \ Your aggressive PM is unnecessary, the manufacturer says 100K, why do it at 30k, that is what the pundits in the forum keep telling. You'll likely find that over the years most of the members posting on this forum have used 75W90 when changing their diff fluid. Aug 31, 2020 · 75w140 seems to cost a lot more than 75w90 for some reason, so no point in spending the extra money. Nov 23, 2008 · Good question. Usually supertech. Read More: Gumout Vs Seafoam: Important Facts You Should Know. If your vehicle specifically requires LSD-compatible gear oil, 75W-85 might be the better choice. Also the Dodge user manual (with poor punctuation) appears to say, NOT to use any Mar 31, 2010 · I replaced a differential oil approximately 50. I'm not sure what year BMW made the change from 75w90 to 2 different 75w85s. need a bit of help properly identifying my diffs. If you are wondering about the 75w85 vs 75w 90, there are a few differences and limitations between Jun 1, 2011 · Yes, a 75W90 (or heavier) can be used in place of Nissan's recommended 75W85 . 85w90 75w85 40c (mm2/s). I think Advance Auto parts currently has a good sale on the Mobil One product if you have them in your area. 02 . On the other hand, you can use 75w90 gear oil in your Tacoma, and it would be the best option. I plan change the front and rear differential fluid. FAQ (Frequently Asked Questions): Q. If the diff has a history of failure, then a 75w140 or for hot weather areas. Just looking for some guidance. Ford 10. I think they both do 75w85 and 75w90 variations. Jan 4, 2024 · 75w85 vs 75w90 Tacoma: It’s best to use 75w85 gl5 type gear oil in the differential in a Tacoma truck. What’s the difference between them, and which oil is better? 75W85 vs. Jan 4, 2017 · So FCA calls for 75w85 GL5 synthetic fluid for front and rear differential service. Because of the similar structure, function and a very minimal performance difference, there should be no problem at all. Mar 5, 2022 · I will be changing my rear-diff oil soon on my 2015 NA Foz, thinking of going 75w85full syn rather than 75w90 semisynth. 12. I used RedLine 75W90. It only takes a few minutes of driving for the fluid to "loosen" up. e. Manual states 75W-140. I'm not an Amsoil dealer, but I have and do use their products with absolutely no problems at all. I am not towing and seasonal temps only range from around 10 in winter and up to 34 in summer. Dealer replaced gearbox oil for the 1st time with a 80w90 one, assuming the original oil was 75w85, the only one recommended in the owner manual. I had little lady get the manual out as we were driving and had dealer on the phone. MT-LV 70W/75W matches the OEM viscosity. Rav4's prior to 2013 called for 75W-90. 75w90 should be OK and is much Jun 7, 2022 · Hey guys I just picked up a 2015 3500 and am going through all the maintenance items and up next are the diffs. AMSOIL Severe Gear 75W-90 is designed to replace, 75W-90, 75W-85, 80W-90, SAE 80 or SAE 90 gear oils. The oil came out clean and the magnet was barely coated. Almost all my friends with JGC's run 75W90. 75W-140: Adequate flow in cold conditions. 145. 7 Cummins Jul 13, 2017 · Is royal purple or Mobil one 75w90 synthetic gear oil ok to use instead of the 52 dollars a quart Mopar 75w85. Jan 19, 2023 · Hi All, I'm new to the forum and looking for a little advice. Better than Mobil1 75w-90 by the way. I know it's not GL4, but I'd consider it if you don't want to spend the big bucks on a synthetic GL4. Changed to Quaker State (i. Jul 24, 2010 · highest quality 75w90 gear oil, that can be bought from local stored, around here no one carry redline AMSOIL, I do not like RP conclude between mobil 1 75w90 or Valvoline syn 75w90 , which of these will work best ? Amsoil can be ordered online and delivered to your door. Just my opinion, both are high quality synthetics. The only Honda brand gear oil I could find was "Hypoid Gear Oil HGO-1 GL-5 SAE 75W-85". Mar 1, 2015 · 75w85 vs 75w90. Alldata just lists all variations and models not specific to my truck. both the valvoline and lucas are 75w-90 synthetic and meet or exceed the GL-5 spec valvoline is 12 bucks vs lucas 14 bucks just wondering if its worth the extra couple bucks or if it really even Aug 19, 2019 · Nope,my 3. I Feb 11, 2020 · Now it is time to check out the front and rear diff. May 25, 2005 · I was planning on ordering the Red Line 75w-90 GL-5 gear oil for my 2011 328xi BMW. I use my 2019 Ram 1500 Classis Crew Cab 2WD short bed as an Uber vehicle, daily driver, and pull a trailer with a vehicle on it some times, pull a 35' camper, and a dump trailer sometimes. They did a study one time and I believe they said using a 75w90 in place of 80w90 resulted in about a 1% efficiency gain. Very happy with the decision. 50's, Custom stereo with JL & Alpine, ST to SLT conversion, Baja 29 Outlaw (other money pit!) Nov 14, 2017 · Here are the service levels the Lucas Oil 75W-90 Synthetic exceeds: API GL-4, API GL-5, API MT-1, SAE J2360 (MIL-PRF-2105E), MACK GO-J, PG-2 LIMITED SLIP. Can't find 75w-85 anywhere (what the manual calls for)will using 75w-90 instead hurt anything? Comparative Analysis: 75W-80 vs. Changing all the fluids in both of my 2018 Silverado 1500's. It's half the price of the OEM stuff, and likely a dealer not too far away. Jun 1, 2023 · Here are some key differences between 75W80 VS 75W85 gear oils: Viscosity. Dealer I find is very accommodating and takes me right in. Anyway, we’ll be taking you through an in-detailed comparison of 75w85 vs. Aug 11, 2016 · im due for a 30k maintainence which includes diff oil change, on my Toyota Tacoma, Toyota corp specs a 75w85 gl5 gear oil front/rear diffs,ive previously used the Redline 75w85 gl5 which seems to be a very thin oil and I can get residue build up on the drain magnet so I wanted to switch to a 75w90 for a little extra protection but also an oil Jan 19, 2021 · I have nearly 10k miles on the 392. It can replace any of these with no worries or risk. I'm going to change the front and read differential oil on my 2017 Ram 1500 1500 Bighorn 5. Now, the formula is different, you don't want 5w30 or 5w40 in gears because of EP additives, many of those cant be in gears like moly. Jun 21, 2018 · Looking to add more detailed info to my service spreadsheet. I'm wanting to replace my front & rear differential oil. He also states Diff. 75W-85 vs. The chassis portion of the diesel section states 75w85. Jeep CJ Forum. zeng. Jump to Latest FST Air Bags w/on board compressor, RKsport Ram Air hood, BAmufflers Ultimate Towing Exhaust system w/ BD. I used 1. Should I use that or just buy 75w90? will there be any issues running 85? I live in southern California so cold weather isn't an issue. My $. I have a nissan 2002 2. Only the 3500 with the HO Cummins and 12. Jump on the train! Jul 21, 2020 · I got the 5. I thought it was 75W-90 for the second gen’s. I want the non-limited slip variety for front and rear, right? I have the 4. I used Mobil 1 75W-90 satisfactorily in our previous 2018 P4X and that is exactly what I will use in the 23 P4X. I was NOT too impressed with fluid condition and drain plug magnet contents when running the 75w85. 206c. Now, the difference between 75w85 and 75w90 isn’t that distinguishable. Just expect 75W90 to perform better in hot and 75W85 better in cold. I guess that 75W90 has better viscosity then 75W85 Genuine oil. Some have even used GL-4 spec, even though GL-4 doesn't meet the hypoid gear spec of GL-5 oil. Sep 18, 2019 · meh 75w85 is another fuel economy thing that we have been imposed, in 2012 the text changed from GL-5 SAE 75W-90 (MS-9763) or equivalent to We recommend you use MOPAR GL-5 Synthetic Axle Lubricant SAE 75W-85 Just placed my order locally for 2 quart of Red Line 75w90 3 quart of Red Line 75w140 2 quart of Red Line C+ATF For a total of 150 Aug 24, 2024 · I will say, the 2nd half of your statement makes more sense…though opposite of what OP was asking about: say you bought a vehicle with factory 75w-85: should you replace with 75w-90? I wish I had been more effective trying to convince @SubieRubyRoo to include Motorcraft 75w-85 in his Mega 75w-90 comparison tests. But the Valvoline 75w-90 full synthetic seems to be really good on paper. You can get a true group IV or group V synthetic for 1/4th the cost and get 3x the life out of it with ZERO adverse effects. Models. Would it be an issue to go ahead and use this or should I return and get the 75W90 NS fluid. I use it to pull a horse trailer. On my 18', Ford is calling for 75W-85 synthetic gear oil which is not only an odd weight but very expensive (especially from the dealer at $25 per qt). I went with Redline for the front (and the rear with their friction modifier already added), but I think most people use 75W90 since its easier to find. Viscosity refers to the thickness or resistance to the flow of a fluid, and it plays a crucial role in engine lubrication. 0 rear axle needs 75w140. It's the same in the cars,the earlier Challengers/Chargers called for 75W-140,but the newer ones call for 75W-90 Feb 27, 2024 · The choice between 75w85 and 75w90 can impact factors such as motor oil viscosity, gear oil prices, and the overall performance of your vehicle. Build sheet: 215mm Front axle 3. Jul 14, 2012 · For best MPG, use a 75w85. May 9, 2014 · Per my owners manual factory spec is 75w85 full synthetic front and rear. Synthetic oil: Super Tech Full Synthetic Gear Oil. You can also use Toyota brand gear oil or redline lightweight 75w85s. Aug 24, 2017 · Owner manual states Tutela 75W-85, but this oil isn't good enough for this M32, low lubrification power and low viscosity, some users used Motul Gear 300 75W-90 with good results. I know plenty about oils and gear oils, and I know that Hyundai calls for 75w-85 for the manual VT. Plenty of owners mention using 75W-90 gear oil. If your towing or hauling with your truck, I doubt there will be any problems running 75W-90 in the rears also. May be Mobil1 Gear Oil is not approved for now by MB, but will be in a future. Do ensure suitable GL4 synchronizer additives is present. Oct 29, 2017 · getting ready to swap my front and rear diff fluids. My owners manual says to use 75W-85 in the front and 75W-140 in the rear. I use 75W-85 GL-5 gear oil in my differentials as specified in owners manual. And talking of gear oils, 75w85 and 75w90 are the top choices among vehicle owners. How important is the 75w85 viscosity vs say a 75w90 or a 75w110? 75w85 is almost impossible to find except at the dealer. 190c Thoughts? I was going to change rear diff and am wondering if this expensive upgrade ($40 a liter vs $10) would be worth it or cause any issues for a lifetime. Lubrication and General Automotive going 75W-90 will open up many other doors for a just as good product. My diff consumed no oil in 52,600 miles (surprise ), great; so I drained it. I use Lucas 75W-90 synth in the front diff and T-case because it stinks less than the other brands. On the other hand, the 75w 85 is a fully synthetic gear lubricant oil with high performance with top-notch base oils. It's mostly a ploy by MB to gain a little mpg, that's about it. I like that easy pack pouch the Amsoil comes in! It makes it easier to fill the diff! Feb 25, 2015 · Forums. Jun 21, 2018 · So, I am changing the rear axle oil in my 2003 Dodge Ram 2500. Jul 27, 2021 · FCP Euro says different BMW 75w85s for front and rear diffs. Jun 27, 2022 · You can order the good stuff in 75W85 on Amazon. Apr 2, 2018 · Sure. For those curious, I’m going to do Valvoline Synthetic ATF+4 in the transfer case for the same reason above. Lubrication and General Automotive. My question is, has anyone used the thicker MT-90 75W90 after break in and had good experiences with it? Nov 27, 2019 · Royal purple is too pricey for me, I usually look around for mobil 1 to find the best price, last couple of times was from amazon. It's marginally higher viscosity at high temperature range offers stronger wear protection on components, however at subzero temperatures the shift feel could be different. Hi T4RT, You shouldn't see any issues with a 75W-90 gear oil all around. I'll be changing my rear diff again this summer and have decided to go with the Valvoline flex pack in 75W90 which is fine. But 75W85 and 75W90 are two of the most popular alternatives. 5" rears and limited slip. The transmission was very stiff (until warmed up) on cold winter days with the OEM stuff. Valvoline synthetic 75W90 is readily available almost everywhere. When I change them again here at 60k I am going to move to the 75/110 to see if it helps quiet it down some more unless I regear then I'll run the dino oil instead of synthetic per ECGS. Oct 28, 2024 · Best easy option if not expensive the original Hyundia or KIA MTF 75w85 GL4. 6. Jul 18, 2021 · It seems from the Data that Mobil Delvac 1 gear oil 75W-90 seems to be a better quality oil than the OEM Mopar 75W-85 oil from the data sheets. Shell) 75W-140 synth and the chatter was gone. 75w85 Vs 75w90. The diff case on these ZF 8. 6. Some have said that the OEM viscosity is so thin for fuel economy etc. 5 with e/locker. called for 75W-90. I don't think you'd have any issues with 75w85 in place of 75w90. 75W-85: Good flow in low temperatures. There are a few key considerations when it comes to 75w85 and 75w90 gear oil. Any car approved for 75W-90 is also approved for 75W-110, since, as I mentioned, it's a sub-spec of 75W-90 that was developed after it was realized that 75W-90 is just too wide of a spec. Sep 12, 2015 · In my '06 4X4 I replaced all the factory oil at 6800 miles. The Motorcraft 75w-85 synthetic is $25/qt. 75w90 oil high performance with top-notch base oils. The first measurement in the labels indicates the oil flow at cold temperatures, hence the w. Ram1500Diesel. Apr 2, 2013 · Joined Sep 25, 2014 Posts 3,320 Reaction score 3,731 Location Georgia Ram Year 2016 Engine 6. Also, any info about fluids for BMW x-drive systems? Is MT-LV 70W/75W GL-4 Gear Oil something that I could use? Thanks Jan 27, 2005 · My owner's manual calls for 75W-85 (API GL-4) MTF but I just flushed that and put Shell Spirax S 75W-90 (API GL-5, MT-1, pour point -45C) synthetic I got from my brother's supply. Plus it's a multi-viscosity fluid that isn't any heavier then the 75W-90 till the rear-end gets hot,which is when you want a heavier duty fluid. 201. Ive got a question about Mobil1 75w90 synthetic gear lube for changing my diffs. 43qt of 75w-90 GL-5 I am annoyed by the slightly different viscosity, part of me just wants to stock one fluid, we are in Florida and I would think I could get away with 75w-90 in all 3 compartments with probably some small imperceptible decrease in fuel efficiency being the worst effect, but I am open to ideas Dec 20, 2015 · 2013 RAM 1500 Laramie Longhorn - Black Gold Pearl with all the trimmings. 75W-90: Good flow at low temperatures. It's outrageous around here at $19, so I'm reluctant to get more. 75w85 and 75w90 are popular gear oil options for vehicles. Mar 3, 2024 · When comparing the prices and assessing the value of 75w85 and 75w90 gear oils, it's imperative to delve into their specific properties and performance metrics. The fluid is obviously too thick. SAE 75W-90 full synthetic GL-5 gear oil 2. 2 Operating Temperature Range: 75W-80: Optimized for fuel efficiency and moderate Jun 19, 2021 · Been running 75w/90 Redline in my front and rear diffs for 20k miles without any issue. You can get more info on each of their websites. Jun 24, 2022 · Forums. Apr 9, 2022 · Use the 75W-140,they only started reconmending using 75W-90 when they went after milege numbers. I always substitute with synthetic 75w90. Let’s dive deeper into the differences between 75w85 and 75w90 gear oils to help you make an informed decision. Every time when I open the hood, I see label "MB APPROVES MOBIL1". and in the rear 75w-140 AMSOIL SG. 98/quart. 75W85, it’s important to note that both are multi-grade gear oils with similar cold-temperature viscosity ratings. It would be perfect, except that differential is weeping now. I have no lsd and the dealership said it's 75w85 it takes. May 15, 2018 · The recommended fluid is synthetic 75w85 gear oil. Or just stick with 80W-90, not go for the thinner (at 40C) 75W-90. May 15, 2017 · I've always been a fan of valvoline, I'm looking for an oil that meets the GL-5 spec. Synchromesh is a very thin fluid compared to a 75w-90. Jan 25, 2010 · I use RP 75w-90 in the front and back, but as Steelhead01 said, it i mostly a daily driver and rarely if ever tows anything over 10K lbs. Anyone used 75w85? apparently not much difference? Jun 14, 2023 · 75w85 vs 75w90 is an important issue for those who are more sensitive to their cars’ engine oil, even though it gives similar results in many areas. It's the HD trucks that use 75W-90 front and rear, those also don't need a friction modifier as the use a helical gear LSD. [32 Fluid Ounces] Minimum Ship Quantity 12. And, I use the limited slip type gear lube or add a tube of limited slip friction modifier even though it is not required. 75W85 GL4 vs 75W85 GL4/GL5 vs 75w90 Apr 8, 2022 · Forums > Tacoma Discussion > 3rd Gen. 7L 4X4. Living in a hot country, always a heavy traffic one (shifting a lot), l noticed slight difficulty shifting back to 1st gear while car is crawling (need to go a bit slower than before). Aug 20, 2003 · As far as I know, all the 75W-85 products are non-sulfur/phos chemistry, so shifting is easier and synchronizers last longer. With Amsoil PC pricing, I can get Amsoil Severe Gear 75W90 for about $10. Regarding the rear dif, the 392 performance manual states to use 75W140 if you have a M200 DRZ sales code. The rear diff oil came out dirty and the magnet was caked. Mobil 1 Synthetic Dec 14, 2020 · In the conversation he stated that Diff. [32oz] Minimum Ship Quantity 12. Sep 12, 2023 · Would you use the 75W-90 in the front diff instead of the 75W-85 it calls for? Click to expand I've used the 75W90 as many others have also in Mopar vehicles calling for 75W85. . Jump to Latest 420 views 4 Dec 28, 2023 · You’ll be fine running 80w90, I’d suggest a 75w90 because you can get it in synthetic. I'll consider a step up to 75w110. Sep 20, 2023 · 75w85: 75w90: Definition: 75w85 has a more consistent thickness. Is anyone aware of an aftermarket gear lube that meets this spec, or can advise on the Sep 16, 2024 · There is a difference between 75W85 and 75W90, even though it might be hard to tell initially. It's a 2011 jgc larado with 85k on it, no idea of service history. Most (not all) 75W-90 are sulfur/phos. which no one has lol not even the dealer closest to me. 9l magnum sport edition ram with the Chrysler diff and I’ve seen people put 75w-90 in it and I’m just wondering will the 75w-90 be able to handle Florida’s humidity and heat and if not what weight gear oil should I go with, also does the Lucas oil come with the lsd additive in it already it says it comes with a additive that prevents whining but idk if that’s for lsd. -51c Flash point. I haven't changed mine yet. I plan on changing them out every 30k miles. But since there seems no real technical reason why BMW switched from GL-5 to GL-4(normally they are not interchangeable), a GL-5 oil will work as well, both 75W85 GL-5 or 75W90 GL-5. com is the largest RAM 1500 Diesel Nov 5, 2023 · The synthetic nature of 75w90 gear oil ensures that it can withstand high temperatures and heavy loads, providing enhanced lubrication and reducing wear on the LSD components. 81. Nov 4, 2010 · I had RP 75W90 in both front and rear diffs on my 2005 for about 30K miles and I still have one quart left. I don't think the gains you'd see using a 75w85 in place of 75w90 would be significant or measurable on a small scale. Mine may be old junks but I take my decisions seriously because I keep them forever. com. When comparing 75W80 vs. For the transfer case I am considering Redline MT-90, 75W-90 GL4. So can Schaeffers. 75W-90 vs. -22c. Aug 19, 2021 · 2017 - 2022 Super Duty - Rear differential oil change - Looking to change my rear diff oil. 5), and the 40 degC viscosity is much lower than the the 80W-90 (expected), at 99. In the front 75w-90 Mobil 1. They've gotten "too big for their britches", imo. As long as it’s full synthetic GL5 rated gear oil, it’s good to go. 92, 8-Speed and Air Suspension Add-ons: 14" Magnaflow, BAK FiberMax Tonneau, Misc Whelen Emergency Lights and Switchpak, 275/60R20 - BFG T/A KO2 Jul 22, 2008 · Mobil One 75W-90 or Royal Purple 75W-90 are not only safe to use, they are far better than the product offered by Toyota. dpoqr lubvw ewtho mvj vyfez wgxir pnu rfzntf ejau rvk vxq vfpw orw qwgvsxf zaqpthr