DusterBoy15 said

but wit these flow numbers fron BJR Stock out of the box heads:
Intake valves are 1.925 and exh.valves are 1.625
Flow is as follows

Int. Exh.
.100 84 80
.200 132 118
.300 201 134
.400 226 134
.500 235 134
.600 236 134


the motor gets 406hp and 448tq

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