Originally Posted By roadrunninMark
I read before that a 318 can have valve interference with the cylinder wall if the valve is too large? My 318 has been bored 30 over and I wanted to know if a 2.15 intake valve would be too big. Also, is a 300 cfm flow too much for a street engine? The engine has the kb167s in plus a 274 retro roller cam. I want a nice street engine so I want some low end power, not the top end.
I ran 2.14 intakes on a 4.030 408cid... you are still under 4 in with a 318 I would measure twice to be sure


In the 8s N/A.with Brett miller W8's
5.07 at 133 at 2700lb