cam selection is a big factor
my cam seams small for the track but the car is streetable all year round and with the boost turned up there is more power than the chasis can handle .
it comes down to vacum. and running accessories.
Crane Cam 228/228 @ .050" .512/.512" lift is what ive got in the car right now
the frpp block has a roller cam which isnt to agressive (for a 393)go with it and ad a blower or n2o latter . smaller pulley on the street
if i had to do it again i would go with a coast 408 with AFR heads and drop my turbo's on it. with my homemade manifold
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89 with 331 t3'/t4 hybrids. upr Suspention worked out finnaly . 9.89 144 mph .
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