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Old 10-24-2010 | 05:58 PM
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wingracer
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Originally Posted by Geezatec
Engine Hard to restart after it cooling down. You running at 250F is running lean. When the engine cools it change a bit. Your trying to start lean. Richen you HSN by 1/2 turn and try again. Then retune for optimum performance. Cold engine richen it out and retune, like running in afternoon @ 250F, let it cool till tomorrow, 1/2 turn on HSN then retune for the day!!
250 isn't hot for that motor. Depending on conditions, they will run fine anywhere from 210 to 280. It shouldn't pop plugs unless it gets even hotter than that.
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