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<DIV>Paul</DIV>
<DIV>I am flying an Impact with a YS-140 sport for power. At our contest Bret
Wickhouser flew Perry Sumrall's Impact through the Masters and FAI-PO-7 it also
is powered with a YS-140 Sport and he said that power was not a problem.I use
Magnum #2 in mine, the YS-140L should give you a little more power. Try it first
the YS-160 will fit the 140L mount no problem if you want more power
later.</DIV>
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