on your standard angle its 30/45/60*
so the angle of the valve is 30* and it gets consitently sharper with every cut?
What is the reasoning behind the 5 angle jobs. Do the not get as sharp as fast or do they get sharper?
yes basically, but they are all cut on the seat itself! no problem helping you out eitherthanks for the great info guys
for clearity 2 angles are basically cut in combustion chamber then the actually seat then 2 more in the head?
Im on the hunt for some cross sections now