help for you
first things i could suggest replace the iorn crank for a good 4340 crank. get some good hbeam rods. and a set of je or trw supercharger pistons. get your compression down to about 8:1. then when that is done get a cam with min of 110 lobe center. then for a 400 you would be better off witha 8-71 due to the heat those things put out. i ran a 6-71 for a long time on a 355. verynice setup and it definatly attracts all kinds of attention. start off dyno with stock underdrive then go from there for the boost. and never assume you engine will not care about the boost. hope that helps.
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