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Old 08-16-2010 | 10:56 PM
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Sport_Pilot
 
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From: Acworth, GA
Default RE: New Four Stroke With Engine Knock

ORIGINAL: MinnFlyer

I don't know that you can use a colder plug on a 4-stroke. They need the extra heat to get past the second stroke
Sure you can the K&B 4C is an excelent colder four cycle plug that works great on high compression engines, or high nitro.

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