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Thread: 2005 LS6 CTS-V tune help

  1. 11-17-2020 #1
    smithcody3921
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    2005 LS6 CTS-V tune help

    Just purchased a 2005 cts-v, the car has a cam, 243 heads, larger injectors, fast intake. Car is tuned for premium and E85. I have read out the current ECM tune and started comparing to a stock file. Just trying to make sure it is a good/safe tune. Could someone with a bit more experience take a look at it and let me know? 2005 CTSV LS6 manual stock 1254875138.hpt2005 CTS-V.hpt
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  2. 12-05-2020 #2
    Robert C Morgillo
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    It looks like a fairly stock tune. With a cam I would expect more changes to the idle air. Also if the injectors were changed, no changes seem to have been made to the injector data.
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