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Old 03-15-2004 | 07:37 PM
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FHHuber
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Default RE: 4* Engine question

Yes its the difference in engine torque.

I would expect he used a 10X6 or 11X5 with the .40 and the 11X6 or 12X5 with the .52 4-stroke. 11X6 is a bit much for a .40 2-stroke to be swinging (even the O.S. SF, which I think is a better engine than the FX.)