C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Mini-ram Cough

Old Aug 13, 2013 | 11:30 AM
  #1  
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Default Mini-ram Cough

Is there a cure for a tip in cough, seems to happen at random idle to 1200 RPM, engine can be cold or up to temp. thanks
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Old Aug 13, 2013 | 06:40 PM
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Some have reported an improvement by adding significant spark advance...on the order of 40-42 degrees advance.
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Old Aug 14, 2013 | 08:53 AM
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More acceleration fuel will cure the problem.
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Old Aug 27, 2013 | 08:46 PM
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Both. A wideband will eliminate the guessing.
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