Redline heavy shock proof rear diff?
Has anyone ever used this fluid in their rear ends? A few of my track cars also call for 75W140 in the rear end but everyone seems to gravitate toward the redline fluid. The fluid has film thickness is 75w250 but the actual friction is equal to 75w90. Please don't flame the post as I am new to Jeeps. Just thinking of alternatives or possibly some one has experience running it.
Sorry, njet, 75W-140 is the correct fluid.
2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(
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MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
I probably worded the question bad. Sorry for misleading. I understand the fluid dynamics and the SAE liquid numbering system. Being that it "protects" as a 75w250 but only puts "strain" of 75W90 has anybody ran it? Ive read a few threads using search but its all bickering over what fluid is better blah blah, basically all opinion. Just asking for feedback if someone out there has.
Using that link, I found this statement:If your Overland has Quadra-Drive, then it has Vari-Loc differentials. These are limited slip differentials which use a gerotor pump/clutch pack system for limiting the slip of one of the wheels on the axle. If for no other reason, it seems to me that having the gerotor pumps means that gear lube should be avoided.
OK that was were I was asking for more info. Being a "car guy" and new im still learning. I have yet to fully read into the chain drives of the transfer cases nor the dana 44/30 axles. I appreciate the help and info!
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