Thread: IDF Tuning Help
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Old 09-11-2012, 07:03 AM
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Location: Augusta, MO
Cobra Make, Engine: Sold ERA FIA 2139, 331 Weber IDF
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QUOTE< Emulsion tube affects the "curve" of the A/F ratio between low and high rpm during acceleration.

Yes this is correct, the emulsion tube has a very pronounced effect on part-throttle driveability. Finding the correct one is the interesting part.

Besides, the over-rich condition throughout the range, are you having any stumbling, popping, reversion?
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