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Old 10-13-2013, 08:27 PM   #658
longbed67
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
Re: Project: Turbo 250

Thanks guys! As far as how she drives... The ride is smooth! There is plenty of power, it pulls my boat great! On the down side, she runs rich until 2lbs of boost where she snorts due to a lean transition between vacuum and boost, followed by rich all the way though 12 lbs of boost. I raced her against an 06 chipped duramax from 30mph to 100mph and I pulled 3 truck lengths on him. And she will run 128mph in the 1/4 mile, no idea of time due to just having it marked out and using a gps with a top speed recorder to determine the top speed it ran. BUT... All of that running to rich leaves me with a 10-12mpg average..... so It is back to doing some tweaking on the carb to pull that 20mpg+ that I am shooting for.
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My 1967 C10 - Turbo 250 Build Thread
http://67-72chevytrucks.com/vboard/s...d.php?t=485843

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