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Thread: Need help with LT4 swap

  1. #1
    Advanced Tuner coachcrow56's Avatar
    Join Date
    Dec 2004
    Location
    Longview, Texas
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    305

    Need help with LT4 swap

    I need help and advice. I am installing a 2020 LT4 from a ZL1, plus the 8 speed auto trans, into a 2020 Pontiac TA.

    This is number 1 on my bucket list. I have cancer and limited time, and its something I REALLY want to complete with my youngest son before I die.

    What kind of wiring harness and ECU do you recommend for this swap? Who is the best vendor for this harness?
    2.8/3.0/3.2 Pulley/ZZP CAI/1.6 HS Rockers/Hi Energy Comp Cam 76-802-9/LS7 Lifters/ZZP Stage 2 Intercooler/TOG Headers/Triple Edge Performance Stage 3 Transmission/3.29 Ratio/NGK TR6ix IRIDIUM .40 GAP/ZZP Fuel Rails/ZEX 100 shot NOS/GMPP Sway Bars/KYB Adjustable Struts/Power Stop Performance Pads/Rotors

  2. #2
    Couple questions.

    2020 Trans Am? Was this a typo? Or is the Trans Am Depot car?

    8 speed? The ZL1 came with a 10 speed transmission.

    If this is a Trans Am Depot car, they were already Camaros that started with a LT1 and 2020 was already a 10 speed.

    Maybe you meant 2002 Trans Am??

    Not sure what you really got going on. Speartech is my go to source for LS/LT swaps needing harnesses.

  3. #3
    Advanced Tuner coachcrow56's Avatar
    Join Date
    Dec 2004
    Location
    Longview, Texas
    Posts
    305
    MY bad----the car is a 2002 6-speed Trans Am. I will check out Speartech and see what they offer for this swap. Thanks
    2.8/3.0/3.2 Pulley/ZZP CAI/1.6 HS Rockers/Hi Energy Comp Cam 76-802-9/LS7 Lifters/ZZP Stage 2 Intercooler/TOG Headers/Triple Edge Performance Stage 3 Transmission/3.29 Ratio/NGK TR6ix IRIDIUM .40 GAP/ZZP Fuel Rails/ZEX 100 shot NOS/GMPP Sway Bars/KYB Adjustable Struts/Power Stop Performance Pads/Rotors