Head Porting basics

1wild&crazyguy said

The smallest point is between the top of the short turn and the guide area.fyi
However, in a magnum head the PR pinch probably is the smallest point.

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Justin,
When i cut up my mold and measured it,........You are right, but with the porting that i have done so far..........i thing the prp is the smallest point now.

I need to pour me a new mold, of this port. If for nothing else, but to see my progress.

Have enough to make me, maybe 2 more molds.