head porting

ero blaster

New Member
Feb 14, 2015
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Im guessing the red ring is where you exhaust gasket will lie. the black lines is the portion you can remove for best performance.

dont take my advise as i have never done porting, this is just what it means to match your exhaust gasket
port.jpg
 
I don't have the exhaust gasket anymore but i put my exhaust flange up to it and made a line inn the inside to know how much more i could take out