440+Good cam+Good heads=LOTS O TQ

452 iron 2.08/1.74 valves

OOTB MP 452 Alum 2.14/1.81

Both exhausts flowed with 2" tube.

Lift............452 iron IN/EX........MP 452 alum IN/EX

.100................61/55...................70/57
.200..............130/108.................145/112
.300..............188/152.................205/163
.400..............213/172.................245/197
.500..............227/178.................260/217
.600..............230/181.................276/231