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Thread: New cam tuning L33

  1. #1

    New cam tuning L33

    Hey guys I?m needing some help I?m new to this whole HP Tuners but I got a 2006 5.3 L33 with a tsp stage 4 low lift cam I just installed the truck will start and instantly die unless I press on the gas pedal for about 5 seconds and will sit and idle but can?t figure out why it wants to die everytime on startup any help would be great thanks

  2. #2
    Tuning Addict 5FDP's Avatar
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    Why would you install such a huge camshaft?

    Going to need a stall converter for that.

    A camshaft that large needs different idle rpm settings and more base running airflow as well as fueling changes for idle. Get a wideband for tuning.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    I forgot to mention I have a 3000 stall, I raised my rpm?s to 850 for now I increased my base airflow by 10 g/s for now like I said once I go to start it fires up then dies unless I give it gas for just a second then it idles just fine I would appreciate any help

  4. #4
    Tuning Addict 5FDP's Avatar
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    Post tune and logs.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.