lift intake exhaust
Hughes/McKenzie: 200 126/144 115/131
250 159/181 ----/166
300 187/210 1756/188
350 207/235 174/204
400 219/257 179/212
450 232/279 183/214
500 239/281 186/215
Mckenzie heads: Fully ported,2.02/1.625 stainless valves
Hughes heads: mild porting,stock valves
Tom
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:59:55 EDT