Hey all got a question does anyone know what this little hump is in the exhaust port of my head? Im doing some P&P and i want to know if i can cut this off and if not what the heck is it for? Heres the pic.
Read the 2.0l buildup. The link to PJ's server is in that giant thread on 1.7 LS1 rockers. Not only does GM give some suggestions on porting the OHV head, but they say most definitely do not remove that little hump.
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