A properly built and tuned 331 with AFR's, mathcing cam, rockers, etc. with say 9:1 compression and 8-9 psi at the manifold will easily net you 450 hp, maybe more.
Call Tom Nagel over at DSS, good people with good advice and quality strokers.
E
__________________
1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
|