jammin jpx.21

Old 12-30-2007, 10:32 AM
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anyone have one?how does it run,does it hold a tune well?i had the 28 in my truggy and it was a beast and never skipped a beat so im in the market for a 21 and if it runs as well as the 28 ill stick with these motors.Any feed back would be appericiated
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Old 12-30-2007, 01:46 PM
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I have one in my X1-CRT and I love it. Holds a tune very well, likes to run around the 220 degree area, and is a screamer in my truggy. I am running the racers edge #7 glow plug and Werks 30% fuel. With a Fioroni Turbo sliding clutch on it, I find the bottom end to be exellent. As for run time, I usually pit around the 7.5 minute mark just to be safe. All in all, a great budget motor with enough power to keep you competative, and it is easy to work on. Hope that this helps.
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Old 12-30-2007, 04:48 PM
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nice just what i wanted to hear thanks
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Old 12-30-2007, 06:49 PM
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Yup, it's been perfect! I tried it with an after market cooling head and it really stepped it up after leaning it 3/4 on the hsn.
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