Quote:
Originally Posted by K'hermiit
They are a 72mm bore I think. Another option would be to swap in a PR300 engine. Same bottom end, but already has the bigger piston(75mm) and some versions have a 4 valve head. Might even be cheaper...
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About how much power would I pick up going to the PR300 engine with the 4 valve head? Would it be like oh it seems a little faster or would it be fairly significant..?? I am really close to pulling the trigger if it's going to be a very noticeable power difference