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Old 04-01-2013, 10:15 PM
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eatont9999 eatont9999 is offline
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Join Date: Jan 2012
Location: Dallas, TX
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Take a look at the temperature difference between manifold exhaust port #1 and the turbine housing. I'm thinking that retarded timing is not burning all the fuel in the combustion chamber and allowing the fuel to continue burning in the exhaust; creating more heat outside the cylinder. In some situations that can be desirable but this, I do not believe, is one of those situations.
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