349 CI on the cheap
70dartman,
Run these flow #'s through your computer with the 1.88/1.60 valves, 168 cc's intake and 64 cc exhaust.
lift --- int./ext.
.100---96/89
.200---185/133
.300---229/181
.400---248/196
.500---283/201
.600---285/206
.700---281/207
does your program give efficentcy, if it does check out how they are, for stock castings.