Got my 340 on the dyno.
It's a 70 block, forged crank, balanced, line honed, ARP rod bolts, slightly used heavy old TRW forged pistons. Calculated out to 9.7 to 1. J heads I ported a little. 2.02, 1.60 valves. Clay Smith 292 240 @ .050 .472 lift on a 108 lsa installed at 106 solid flat tappet...