[25stevem]

Before I give you my answer I need to ask where in the intake runner are you considering the pinch point to be your asking about?

For me and a whole big bunch of other folks who port heads, it’s the area of the smallest amount of square inches.

[ponchonlefty]

Originally Posted by 25stevem

Before I give you my answer I need to ask where in the intake runner are you considering the pinch point to be your asking about?

For me and a whole big bunch of other folks who port heads, it’s the area of the smallest amount of square inches.

the push rod bulge. im considering a gasket match 1233 gasket. as you can tell im a novice at porting. is there a specific dimension i should shoot for? those pics. helped me alot. thanks for the response and your help.