m8 offset seat flow numbers

[sbcharlie]

we used a stock m8 head for test  intake seat was offset .025 at 12 o'clock position
intake port    stock         offset
.100          104            110
.200          203             204
.300       282               286
.400         309             325
.500        317               337
.600         318             340

on a ported head with 1mm oversize were seeing 380 cfm at.500 lift
thanks sbc

[SoZo]

Cool can you explain offset direction ? Away from the exhaust valves ?


Happy Thanksgiving !

John

[rigidthumper]

What about the exhaust side?

[sbcharlie]

I never had time as of yet