[oletrucks] New gears for highway speed in 54 3/4 ton

["john martinez" <john@resourceful.com>]

FYI some 1962s have a 3:90 ratio don't know if the 3rd member will fit up but 
maybe someone else will know. 


>First of all you need to get the complete third member (differential)
>(pumpkin) from a 1967-1972 Chevy C20 3/4 ton pickup with automatic
>tranny.  This is a 4.10 ratio as opposed to your stock 4.57.  Once you
>have this carrier I understand that there are vendors (Carter) who sell
>a 3.90 that fits this carrier.
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