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Thread: Hard to idle w 102mm tb and fast LSXRT intake

  1. #1
    Potential Tuner
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    Dec 2014
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    Hard to idle w 102mm tb and fast LSXRT intake

    New to tuning. What's the basics of changing idle and airflow for my LS?

  2. #2
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Rogers, MN
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    Search around for idle tuning threads, they are around here somewhere.

    But you did prolly pick a harder setup to tune with right off the bat.

    And what other mods did you do?

    Hopefully more because otherwise those two mods are a complete waste of money. $1000 for a intake that only shows it's feelings above 6,000 and TB thats mega huge compared to stock. Hopefully this motor is made to scream it's head off and use all this air flow.
    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
    Potential Tuner
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    Dec 2014
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    It's a LS2 block stroked to a 376cui 6.2l, 225cc trick flow heads, 1.7 rockers, custom cam 238, forged crank rods Pistons etc, 11:3 compression, built for nos but haven't installed it yet , on the tune now, the motor makes 567 rwhp