Intake seats are usually only installed if you have a bad seat-!!...when you you go from a 1.72 to a 1.94 intake you are going I to "Fresh" material.... I have NEVER SEEN THIS ON CHEVY 6 I TAKE SEAT!...YES! Water jackets...!!I....Ever cut into a head before working on these heads?...
Intake seats are usually only installed if you have a bad seat-!!...when you you go from a 1.72 to a 1.94 intake you are going I to "Fresh" material.... I have NEVER SEEN THIS ON CHEVY 6 I TAKE SEAT!...YES! Water jackets...!!I....Ever cut into a head before working on these heads?...
Intake port Plates!...NOT LUMPS! LOL!...