An Old Timer once told me...

[quoteIntake valve are 1.78 exhaust are 1.50

.100 IN 76 EX 77
.200 111 113
.300 175 122
.400 201 126
.500 204 128][/quote]

My 302's went 217 @.440 with just some bowl work and a gasket match with a 1.84 valve.

Hysteric