cougar mtr 27 1988
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5000 rpm i try a 25 and its to small i try to find a 26 4 palm and a 27 3 palm. what can i upgrade for wake it up a litle bit? the engine have red roller rocker is original?
Last edited by dandan21; 07-09-2016 at 08:16 PM.
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If you are only turning a 24 to 5000 rpm, I doubt a bigger 25,26 or 27 will run any faster, probably just slower getting on plane. To truly wake it up, I would say add a supercharger.