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04-20-2009, 02:05 PM
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427 bb how much horsepower?
its 454 4 bolt main block. it has a 396 steel crank and forged 427 pistons. its a 9.2-9.3 compression ratio, i have 2.19 big valve heads, a edelbrock performer rpm camshaft duration 292/292 made for 1500-6500 rpms, a holly 780 spread bore carb, and a flatplane intake, but am thinking of a aluminum low rise performer intake. what kind of power can i be looking at with the stock flat plane intake and how much with the aluminum performer intake?
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