Man....the way that rear "swing arm" is designed, and the limited space there in front of the pumpkin.....good luck. I hope you can figure something out because that engine would make that thing silly.
Might have to tub it out and stick some Jr. Dragster slicks on it.:)
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Originally Posted by kevingraehl
Who has taken the rear end out on one of these? what gear ratio is it..
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Could put a chalk mark on the tire and count the number of revolutions the input takes to turn the tire 1 rotation.
If you do make something up with some sort of jackshaft arrangement,
here's a nice program for ratios & mph.
How much travel is there in that "swing arm" rear end? Would it be possible to mount the engine more forward, and run a short drive shaft with a universal on each end? Might not be possible...don't know the other specifics of that frame, seats, etc. With that much tq from the 450, it may be better to make that rear end solid anyways....(?)