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Old 04-04-2015, 07:24 PM   #153
stevE85
Formerly 1983_242
 
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Join Date: Mar 2011
Location: Benicia, CA
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Going off of your symptoms, I'd be looking into the fuel side of things. Spark blowing out creates more of a wall where power falls off and is a rich condition. What is the boost pressure when it goes lean? Maybe maxing out the AMM.
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1983 242: 11:1CR B23/M46/3:73's 121WHP DD'er

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