Quote Originally Posted by Matt167
I don't know anything about running propane, but build it like you would a gas motor I'd guess ( people convert 305's and 350's to LPG all the time, not special built ), forged pistions, 8.5:1 compression, turbo cam ( short exhaust dururation, long intake dururation, very little overlap, 114* LSA ). keeping the boost at 6-8 PSI would work great
after reading a thread earlier about people building chevy's using 400 blocks with a 350 crank to get better rev's with a bigger bearing, would anyone suggest this as a good idea