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Thread: 2018 Whipple F150 "more Popcorn than Michael Jackson"

  1. #1
    Potential Tuner
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    2018 Whipple F150 "more Popcorn than Michael Jackson"

    Been having some issues getting this Airflow Limit "Popcorn" to go away. I don't see any LSPI tables in the definition, are they not there in these OSs? Or is there some other common table that will cause this problem.

  2. #2
    Advanced Tuner LastPlace's Avatar
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    Jul 2016
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    Post your tune and log

  3. #3
    Potential Tuner
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    This is just the base file, I didn't want to make any other changes until I could get consistent full throttle runs. Just can't get rid of the popcorn.. I know its out of pump, I am working on that, but the popcorn happens before it runs out of fuel.
    Attached Files Attached Files

  4. #4
    Advanced Tuner LastPlace's Avatar
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    The tune you posted is OS id ZRFK3xx, the Thottle closing on WOT pulls is a common issue that can't be tune around with that OS.

    You need to contact Whipple and get the latest calibration, Whipple is now up to OS id ZRFK6xx.
    Last edited by LastPlace; 02-01-2019 at 06:24 PM.

  5. #5
    Tuner in Training
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    i have a whipple tune with the ZRFK6K OS and i am having the same issue, TB will no exceed 25*