Change the original diff fluid?
#1
Change the original diff fluid?
Guys...I've been "going through" the different components of my car (engine, trans, brakes, etc.) and I'm wondering if I should open up the rear end and drain out the fluid and replace it with new. My car is a '65 Cutlass with 57,000 miles (and as far as I know and can tell those are original miles). It has the conventional rear with 3.08's. What do you guys recommend...do it or let it be? I keep thinking that the fluid is 49 years old!!!
If I do it, what gear oil should I use?
Thanks.
If I do it, what gear oil should I use?
Thanks.
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