Re: 3/4 ton 1964 rear gear ratios?
OK guys - just found out from the previous owner that this 64 3/4 ton truck is 4:10 geared and is a Positraction rear - dumb question, but I thought Positraction was a Chevrolet term, so did GMC call this Dana posi-rear something else or is Positraction really the correct way to say it?
Is is considered to be an un-common option to get a posi on a 3/4 ton like this in 64?
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My 60-66 GMC Projects:
1960 1001 Custom Cab short wideside BBW, 305A V6, factory PB, Hood Jet, Radio and Hydramatic.
1962 K1000 4x4 short wideside, BBW, 305D w/ SM420, PTO Winch
1965 1500 Custom Cab w/ Factory assembly-line installed AC, PS & PB, and rare GMC sliding rear glass
1966 1001 Custom Cab short wideside, w/ 351E, PS, PB, AT, super rare Sport Trim option interior (bucket seats)
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