Changing Gear oil in 4 speed and rear end...what to use
03-31-2004, 02:13 PM
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Changing Gear oil in 4 speed and rear end...what to use
I want to change the oil in my 73's 4 speed and rear end...I will surely use the GM rear end posi lube.
SHould I use a full synthetic 75/90 in both units or stick with a dino oil gear lube...I am afraid of the seals leakin with the full synthetics....how about a synthetic blend????
Thanks :cheers:
SHould I use a full synthetic 75/90 in both units or stick with a dino oil gear lube...I am afraid of the seals leakin with the full synthetics....how about a synthetic blend????
Thanks :cheers:
