J head porting
I’m just starting, will cut to 2.02. Here is a pic of the guide cut down about .200, and just starting to blend. I’d like to have them flow enough to make 450/475HP so I don’t think I need to get to nuts on them, maybe 240cfm ?
I’m just starting, will cut to 2.02. Here is a pic of the guide cut down about .200, and just starting to blend. I’d like to have them flow enough to make 450/475HP so I don’t think I need to get to nuts on them, maybe 240cfm ?