ckangaroo70

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av8tor1977

Thanks for the great tips. I forgot to mention that I did take the baffles out of my stock Ryobi muffler before and I also had all the fins removed from the flywheel. Not sure how much improvement that makes, but it does stand to reason that leaving the fins is additional drag and extra rotating mass that is not needed since you now have a prop and lots of air moving over the engine to help perform cooling duties.