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Thread: Need help with my DBW setup

  1. #1
    Potential Tuner
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    Sep 2014
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    Need help with my DBW setup

    I've got a collection of parts in my RX8 swap. Most of the stuff is reused from previous projects. I'm pretty sure everything works as well. I am swapping a 2004 RX8. I am using a PCM from a 2000 Z28, pedal and TAC from a 2002 Corvette, and an LS2 TB from a GTO. My tb has the 6 pin connector. Question is I'm unsure if the tb will work with the TAC or do I need an 8 pin Corvette one? I will flash the PCM with an OS from a 2002 Corvette as well.

  2. #2
    Potential Tuner
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    Sep 2014
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    Can you elaborate please? Also can anyone give me a run down on the wiring? I have a spare 5v ref and low ref wire left over from the TAC. Do I need to use a specific 5v or low ref?

  3. #3
    Senior Tuner mowton's Avatar
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    Sorry, I deleted the response as it was meant for a different thread....different topic

    Ed M
    2004 Vette Coupe, LS2, MN6, Vararam, ARH/CATs, Ti's, 4:10, Trickflow 215, 30# SVO, Vette Doctors Cam, Fast 90/90, DD McLeod, DTE Brace, Hurst shifter, Bilsteins etc. 480/430

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  4. #4
    Tuner in Training
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    Mar 2014
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    What is the PCM service part number? I found that running TB/TAC/Pedal combo from the same vehicle works best (you are probably learning that as you've progressed!). Either way, I found that I could run a 2002 Silverado 6.0L OS on my 411 service PN PCM with a 2003 Vette Pedal, TAC and TB without issue, having ETC enabled in the options matrix. My guess is you'll run into an issue with the LS2 TB being compatible with your setup (IIRC, that does not have the separate motor/actuator 2-wire plug where the early truck and C5 vette's did and I'd be curious if the TPS outputs are compatible). A 2000-2002 truck TB may work, but I'm not certain if the pinouts are exactly the same.

  5. #5
    Tuner in Training
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    I have 97-04 vette throttle pedal and tac and 06 GTO TB working together with 0411 pcm, 2002 GMC Yukon 6.0L VIN
    Len
    72 Jeep Commando (10" stretch)
    06TBSS-LS2(24X) converted for 0411PCM, Z06 Cam/4L65e/NV241OR
    76 FMC 2900r Motorhome
    07Duramax LBZ Allison 1000RDS

  6. #6
    Tuner
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    Sep 2013
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    SF Bay Area , California
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    LS2 throttle body works but you'll need the caspers or racetronix adapter harness to plug it in.
    2001 Z06 : 856/830 : Built LQ9 403ci : D1SC 17psi : Self-built , self-tuned.