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ol Curt · 12-21-2009, 10:24 PM

Ahhh yes, that is what i was looking for! I though when I had the other six in my truck with headers, cam and dual carbs I laid rubber with both tires. The HA designation indicates a 3.73 Positrac

12-21-2009, 10:24 PM	#6
ol Curt Junior Member Join Date: Dec 2006 Location: Newburgh, IN Posts: 1,247	Re: 66 c10 rear end id Ahhh yes, that is what i was looking for! I though when I had the other six in my truck with headers, cam and dual carbs I laid rubber with both tires. The HA designation indicates a 3.73 Positrac Attached Images __________________ 1966 Chevy C10 Longbed I'm Bob....ol Curt was my Grandpa The truck was his and he sure as heck wouldn't understand why I took a perfectly good truck and tore it down!