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05-12-2009, 06:54 AM
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Registered User
Join Date: Dec 2006
Location: POWNAL VERMONT
Posts: 343
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72 3/4 to rear question?
Doe's anyone here know what gear ratio's were used in these i have a 4.10 gear in her know but want to go higher do to a motor swap the old 500ci caddy motor don't like running at the rpm's it is at. It get's real thirsty lol need around a 3.42 to a 2.73 any idea's
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1972 c-20 chevy 500 caddy/4.10posi / 1972 3/4 ton gmc 350 4x4/4.10posi front&rear   
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