sm blk X and J heads

MOPAROFFICIAL said
He will bring up crevis volume but down play at the plug.too funny...He thinks I'm also mentioning it as to tell people to figure the final compression that way. Eager to argue and always right. Some issues there.

Take your pop psychology somewhere else.

Most guys aren't even CCing their own heads. And you want them to do a head with a modified spark plug.

Unreal.

Again, colossal waste of time. Exactly what did you learn?