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Thread: any suggestions 5.3 cam swap

  1. #1
    Potential Tuner
    Join Date
    Mar 2021
    Posts
    2

    any suggestions 5.3 cam swap

    5.3 lm7 elgin p1840 228/230 .585 lift cam swap, p&p heads, long tubes high flow cats, has a hesitation when coming to a stop in gear
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  2. #2
    Senior Tuner
    Join Date
    Mar 2011
    Location
    Ripley, MS
    Posts
    1,865
    A datalog will help us to diagnose this issue. I see a couple of things that look a little off. You will likely need to increase the min airflow table with the target idle speed of 900 rpm when warm. It's also odd to 0 the TPS table for PE at an idle. It could allow for a different commanded AF ratio than you'd like.

    One more thing...a lot of the 03-06 models simply need the throttle body cleaned on occasion. I see it all too often.