Re: 1964 C10 fleet side swb
Pulled diff cover today to see what gears I had for my pcm tune.
Numbers on ring gear:
3817778 1141gm 1163 2 27
Comes back as a 3.73 built 11/1963, don't know the last designation.
May pull axles later on and verify they are the 17 spline, happy with gearing but want to find a mini spool to run or maybe even a posi unit. Looking now for a compatible one of each.
Found the fill plug under some sludge buildup, definitely have to clean out and refill.
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1964 C10 Resto-mod
5.3L - L59
Last edited by Justin71105; 10-03-2020 at 07:36 PM.
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