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Old 01-02-2013, 09:39 PM   #2
INSIDIOUS '86
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Join Date: Jul 2009
Location: washington
Posts: 4,178
Re: Best way to get to ~400hp, 454 tbi. Anyone build one?

Or ditch tbi. Get a good cam flat top pistons and headers and a 650cfm carb and 400hp comes easily. Or stick with tbi and take twice as long and twice as hard to do it. Tbi is for economy not performance. Stick with its designed root and no issues.
IMO massaging tbi for performance is like a one legged dog trying to bury a turd on a frozen pond.
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