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Modifying Stock RD350 and 400 heads.

Started by triple1972, April 04, 2019, 12:51:50 AM

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triple1972

Hi RD guys. With so much talk about modern pump gas being inferior and compression ratios what machine work can be done to stock RD heads to increase performance for a street RD. I do understand that there's a lot more to the equation than just modified heads I just wondered if work to stock heads is still one way to increase hp on a street bike while still using just 93-95 pump gas?

m in sc

if you get the squish corrected and the shape right, yes, it will help a bunch.

stock heads, worked, are fine for sure. any of the aftermarket heads aside from the webco reproductions can benefit from work as well.  :twocents: