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Thread: How do you adjust engine timing on nitro engines?
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Old 09-07-2010 | 04:47 AM
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ausrcnut
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Joined: Sep 2010
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From: Darwin, Northern Territory Australia.
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They say you can gain rpm by widening the exhaust port. How would you go about widening an exhaust port that is not square or round, but irregular polygon or irregular hexagon...? Would you widen the port by making the port a rectangle with square edges all at 90degrees via width only or so....?

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