Picture of 340/360 head porting....Mistakes?
Ok here we go.
Hmmm well you can't read that vary well....
ok at the throat starting from straight up and down and then going clockwise.
1.736,1.760,1.674,1.704
The Bowl is larger @ 1.914,1.943,1.816,1.807
All measurement are inside port window at PRP.
top top to bottom 2.047
top side to side 1.037
Middle ............1.049
Bottom........... .930