1995 Chevy Tahoe engine and transmission hook up

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  • #12917 Reply

    Anonymous

    I recently purchased a 4 door , 95 Tahoe 4wd with a bad 5.7 TBI motor. I have a 454 crate motor with carburetor and would like to know if it will bolt up to the 4L60E transmission and is there a way to use this motor in the truck and what parts would i need so the pcm will shift the transmission properly?

  • #16341 Reply

    Anonymous

    That is a big undertaking. Since the the PCM uses engine data to help with the shifting, and the 454 has no sensors for the computer, you will have a check engine light on all the time and the trans will not shift correctly. Good luck trying to make this work.

     

    Well what if i went old school and took out the 4L60 tranny and put in a turbo 400 tranny and eliminated the computer and just wired it lie the pre 87 trucks or kept just the wiring needed to make the other electrics running but the motor and tranny would be like the pre 87 setups?

     

    That would probably be your best way to do it. Would rule out all the electrical problems you will have doing it the other way.

     

    f you did it like that, you would not have a check engine light on the dash, so you would not pass an emissions test if one is required in your area.

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