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Old 09-24-2009, 05:44 AM
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unburnt fuel=black smoke=not full potential power

I read this everywhere but I was at truck pulls last weekend and something crossed my mind. Why do pulling trucks throw TONS of smoke all the way down the track? Are they not tuned properly or do they feed extra fuel because of the weight they have to pull? I have always wondered this and was just curious so thought I would ask
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Old 09-24-2009, 05:51 AM
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i would assume big injectors and a pulling a big load
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Old 09-24-2009, 06:05 AM
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They throw more fuel at the engine then the engine can use so that it never starves.
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Old 09-24-2009, 10:04 AM
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i see so better to over fuel ten to underfuel so there is no lack in power when pulling
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Old 09-24-2009, 10:22 AM
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Quote:
Originally Posted by CCSBD View Post
i see so better to over fuel ten to underfuel so there is no lack in power when pulling
I'm sure with consideration to the EGTs though...but, yeah I'd imagine they error on the "plus" side if you will.
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Old 09-24-2009, 12:16 PM
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yea I wouldnt imagine egt's get to hot cause they ave like 2' of exhaust to go through
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