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Old 08-09-2012, 01:34 AM   #22
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?

Peanut port heads are fine. Look up demon engines 454 on google. Pulling 400hp out of a 454 is as easy as walking out and getting the paper. Get a bigger cam some headers and a mpfi injection system that will give the airflow and fuel demands you need. As I recall edelbrock makes a kit for this. Of coarse carbureted is the easiest way to go but to others somehow "unreliable". So you will have to warm it up tune it and deal with a little less mpg but a good enough carb tuner can make it to where there is no diff. And a proper setup electric choke will solve any cold start issues
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