Stocker Cylinder Heads....

[Dwight Southerland]

Originally Posted by Alan Roehrich

Well, 0.250" below the stock valve seat angle was the rule until they opened it up. Now there is supposedly no limit on the number of angles, and I was told 0.500" below the seat angle would pass. I was told a radius seat was legal as well, I just have not had time to try one, yet.

If they allow .5" below the seat, we are all in for some big surprises. They might as well get some templates to check for an acceptible port opening location and size, pour the port and let it go.