Rear end additive
#16
07-29-2005, 04:49 AM
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Originally Posted by deano2
Hey, guys, where do you find Mobil 1 75W140 ???? I have looked everywhere, O'Reilly's, Autozone, Advance, Napa, etc. They all have 75W90 ... but no 75W140 which is what my 9.75 calls for. I'm beginning to wonder if this stuff really exists. Mobil 1 website shows it is one of their products, but they don't help you get any. I'm ready to change rear end fluid, but can't find Mobil 1 75W140. 
Why not use 85/140 whats the big difference???