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Old October 8th, 2021, 04:53 AM
63gmc305e 63gmc305e is offline
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Join Date: Feb 2016
Location: rainier, oregon
Truck: two 63s ,1/2 ton and 3/4 and a 64 3/4 ton
Age: 58
Posts: 9
Rep Power: 0
63gmc305e is on a distinguished road
Default Re: Plaid Valve Covers....straight from the west coast Factory Rep.

My 1963 3/4 ton came from the factory with 3:73 posi. I filled the wheel wells with 265/70/16s and she goes down the freeway at 2800 rpm at 70 MPH. Jenny gets 15 MPG.
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