Don, I'm just curious why you are using a 500 cu.in baseline? I am assuming that it's because with our deck height it is easily achievable without getting into overboard stroke/bore dims.(IOW, a happy medium) or were you simply picking an easy to figure number that is equates to a class limit?
The only reason I am asking is it "seems" easier to get closer to or exceed your 2.3 number with a smaller cu.in limit as you are not asking for largest gross hp numbers, but a specific hp per cube number.
The only reason I say this is because of the number of small cube motors (other makes) that already exceed this number.
Not trying to confuse the issue or taint your thread, just asking.
Thanks Stan
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