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Old 09-03-2017, 02:32 PM   #9
Chevy Fleetside
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Join Date: Sep 2006
Location: San Francisco
Posts: 4,774
Re: Transmission / rear end set up

I have a 700R4 with 3.08 rear in my truck running 275/60/15 tires which I believe is about 28" tall. It tach's about 2200 rpm at 75MPH. I do have a BB, I really have not done a MPG average but from what I did it was at low end 12 MPG. Running a Q-Jet carb.
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