post em up.... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

03-07-2008, 09:01 AM

#11

bigjimzlll

Senior Member

Join Date: Dec 2001

Location: Redding,CA...USA

Posts: 4,736

Re: post em up....

Quote:

Originally Posted by 69trk

Haven't even played with the jetting yet, and it might do 125 in the quarter if it wasn't almost a 4000 pounds and the aerodynmics of a school bus.

you don't have to tell me about aerodynamics of a bus. Mine weighs 3450 wit me in it. I just go a little over 140mph. Thats with a 800HP bbc. The engine made 850 on the dyno, but the 800hp is with baby 2" headers and a safe tune up.
The online calcs show your at 500hp at the flywheel at sea level right now. Do you live at a high elevation?

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