Can I quote DV as in the Wizard of Flow.
There is more suction just after the valve opens than at any other time.
Its generated by the exhaust gas leaving the cylinder.
Thus seat geometry is critical 'at that moment' and great wins or losses can be had.
PBR was always talking about seat angles and most folks just don't get it.
The SM head that Earlie-A has so 'delicately modified' is pure 'rocket science to most'.
We just need something more basic for 'Fred in his Shed, (like me) and many others.
Lets get on with some POLY porting NOW (please)
I'm going all LS on my Poly 402ci with this LSX fanimold.
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