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Thread: COS for 4.3L Vortec V6?

  1. #11
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    Sorry, I only have the 4l60 tune. I'll see if I can dig up a manual transmission tune.
    E85 is NOT flex fuel.

    2003 Chevy S10 4.3L LU3 LS1B Auto
    48 LB injectors
    Race Proven Motors 2114 intake
    T70 turbo.

  2. #12
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    I tried. All three of the spare PCMs I have in the basement are automatics, and the one guy who I do know had a manual PCM is all the way in Florida, but it is a jcl format.

    Maybe Jesse from Wait 4 me would have one? He does a LOT of S10 tuning.
    E85 is NOT flex fuel.

    2003 Chevy S10 4.3L LU3 LS1B Auto
    48 LB injectors
    Race Proven Motors 2114 intake
    T70 turbo.

  3. #13
    Joe (Moderator) joecar's Avatar
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    Would a manual 2002 Camaro trans segment work...?

  4. #14
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    I'm not sure if the gear ratios are the same, but it is probably a good start.

    There's one on Holden Crazy:
    http://www.holdencrazy.com/EFILive/stockTunes.php
    E85 is NOT flex fuel.

    2003 Chevy S10 4.3L LU3 LS1B Auto
    48 LB injectors
    Race Proven Motors 2114 intake
    T70 turbo.

  5. #15
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    Quote Originally Posted by joecar View Post
    Would a manual 2002 Camaro trans segment work...?
    Possibly!

    I know with the 4L60E code segment we have been having a weird issue where the speed is off with the correct tire and gear punched in.

    Would the T56 end up better? Maybe! Depends on if it has a different excitor in the output shaft.

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