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Old 07-11-2006 | 04:21 PM
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jonnymac
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Default RE: proper way to break in an engine

Definatley heat cycling. Cover the head and drive it for 3 mins, then stop and return piston to BDC and let it cool completely. Do this for about 5-7 tanks and get temps to 200 degrees if poss. Then start tuning and your away