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Old 03-31-2003 | 06:34 AM
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bear9236
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From: Siloam Springs, AR
Default OS .70 4 stroke problem
Roger,

The engine does not have a problem trying to run above half throttle, it has a problem tuning the last 1000 rpm's i should be getting.
When i said extra pressure on the compression stroke, i meant extra pressure from the piston coming up to TDC pushing extra air into the exhaust through the exhaust valve not completely closed. Like an air compressor works.

Barry
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