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Old 11-20-2002, 04:29 PM
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Post chevy 400 cid vortec tune port

I'm building a chevy 400 cid tuneport w/vortec heads. I've got the tpi to vortec manifold and slp runners. Don't know if I should use a 52 or 58mm throttle body. I want good milage and good idle but power when I need it. I need to know what kind of cam to use also. I have the stock pistons I believe to be 24cc dished.2 bolt main block and unmolested heads.

[ November 20, 2002: Message edited by: brnrubr ]</p>

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Old 11-20-2002, 08:33 PM's Avatar
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don't forget to drill the steam holes in those heads,
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