SLORYDER Posted October 31, 2009 Report Posted October 31, 2009 (edited) Pt Hi-Rev pipes 126 189 68.9% I can't find the pipe specs online (can't access from work computer) If you have a link to a calculator that'd be nice too -Thanks, Marcus Edited October 31, 2009 by SLORYDER Quote
SLORYDER Posted November 1, 2009 Author Report Posted November 1, 2009 I'm not looking for a drag port by any means just want my exhaust to match my pipes..I know bell's book says for 10,500 ish rpm peak around 196/132ish is ideal, but I'm not really sure if those numbers are set in stone for all 2strokes or even where my pipes peak... Quote
RILS Posted November 1, 2009 Report Posted November 1, 2009 I'm not looking for a drag port by any means just want my exhaust to match my pipes..I know bell's book says for 10,500 ish rpm peak around 196/132ish is ideal, but I'm not really sure if those numbers are set in stone for all 2strokes or even where my pipes peak... 196/132 are drag numbers stock cub is 197/130. Quote
SLORYDER Posted November 1, 2009 Author Report Posted November 1, 2009 196/132 are drag numbers stock cub is 197/130. Well i've heard the pt rev's make broad power but are obviously top end biased but how much? 9500? 10,000? Quote
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