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I have a 98 670 summit x slightly modded interested in suggestions. I have CPI pipes, ufos, forged wiseco pistons + 1mm.
Anyone ever heard of polishing heads summitx heads are supposed to be really good factory heads. They are shaped like a trumpet's bell and have a rough cast surface in the combustion chamber.
Also thinking about getting a silver bottle, should I go boss noss or boondockers setup?
Thanks
Anyone ever heard of polishing heads summitx heads are supposed to be really good factory heads. They are shaped like a trumpet's bell and have a rough cast surface in the combustion chamber.
Also thinking about getting a silver bottle, should I go boss noss or boondockers setup?
Thanks