Board index Flathead Power-Technical Questions, Answers, and Suggestions Indians Chief porting

Chief porting

Post Tue Aug 14, 2001 7:25 pm

Posts: 1
Location: Alton, IL
I have started modifying Indian heads the way the KR's were done. Seems to work well. The big restriction on flathead breathing is generally the area around and above the intake valve, which is why the KR's were relieved there. This is also why raising the compression on a flatty is a mixed bag


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