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Re: 400/406 Builds
Ok finally got the specs.
406 4 bolt
gm crank and rods balanced
KB flat tops 10.5 1
NEW DART 200 cc SHp mildly ported 64 cc
comp cam hydraulic roller 523 lift 519 exhaust
Comp 1.6 roller rockers
air gap
Holley 850dp
full headers
373 gears posi
350 3 speed
Whatta you think?
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