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Old October 30th, 2016, 08:01 PM
Sponge Sponge is offline
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Join Date: Oct 2016
Location: Musson, Musson
Truck: 1962 1500
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Default Re: GMC 1962 - 3/4 t - Long bed - 305ci - 4 speed

Quote:
75W-90 or 85W-90 will be fine.

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Took a gander under my 64. It's a Spicer or Dana 60 or dern close to it. I think in 60-61 they used the Eaton and in 62 they went Spicer/Dana. I need to get my 64 manual ordered.
It is a limited slip with a 4.1 rear end ratio.
The oïl I bought is AP GL5 75W-90. Do I need additive?
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