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Thread: Trying to use 4L60-E with 4-barrel carb

  1. #1
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    Talking Trying to use 4L60-E with 4-barrel carb

    I have a 4L60-E automatic overdrive transmission that was originally
    hooked up to a throttle body 4.3L V6 chevy engine. I replaced the engine with a 350 with a Holley 4160-4-barrel carb. I would like to continue to use
    the original transmission. This transmission is electronically controlled
    and has no cable to "kick down" the transmission. I am told that the Holley carb will cause serious damage on electronic overdrive transmissions. I found one module from Jet that completely controls the transmission, but it was quite pricey. Do you know of any (under $1000) transmission control modules that will allow me to use a carb with the 4L60-E? Let me know, I'm dying to know. Other places I've checked (to no avail) are: Painless wiring and TCI.

    Thanks,
    Jim B.
    Mooresville, NC

  2. #2
    Lifetime Member GMPX's Avatar
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    Could be tricky because most stand alone TCM's expect to see an ECM.
    The only other option is some of the earlier (80's/90's) Diesel engines used a stand alone TCM, but reprogramming them might be a problem.

    Cheers,
    Ross
    I no longer monitor the forum, please either post your question or create a support ticket.

  3. #3
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    TCI does have a contoller, but it would require that you adapt a throttle position sensor to the carb...I believe they have kits for this as well, or at least someone makes them. The controllers are pricy though, almost $700
    http://www.tciauto.com/Products/Electronics/default.asp
    98 Chevy truck RCSBFS 2wd/5.7L/4L60E:drive:/Paxton Novi 2000 S/C @ 7psi / Megasquirt
    72 Chevelle LQ9/4L80E/GT42 conversion in the works
    http://www.ls1tech.com/forums/showthread.php?t=449129

  4. #4
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    Just noticed the TPS adapter is at the bottom of that web page as well.
    98 Chevy truck RCSBFS 2wd/5.7L/4L60E:drive:/Paxton Novi 2000 S/C @ 7psi / Megasquirt
    72 Chevelle LQ9/4L80E/GT42 conversion in the works
    http://www.ls1tech.com/forums/showthread.php?t=449129

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