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Thread: Nick Williams DBW 102mm throttle body

  1. #1

    Nick Williams DBW 102mm throttle body

    The internet legend says that these were once difficult to tune in a C5 Corvette. My understanding is that they have gone through at least one design revision, but I'm unaware if that affected the ease in which we're able to calibrate for these. Can anyone share their *first hand experience* tuning the latest revision? Was it any more difficult than tuning for a 90mm TB?

    It seems the original version used the LS1 motor/controls and the latest revision looks similar to the LS2 throttle body.

    Thanks!

  2. #2
    i have the newest version and i cannot get the REP mode to stop happening randomly
    2002 Z06-408LQ4 583RWHP 496RWTQ on E85 / 919RWHP 895RWTQ @300 shot

  3. #3
    Senior Tuner SultanHassanMasTuning's Avatar
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    whats your issue with your TB, what values of scaling are you using?
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  4. #4
    I am wondering the same I have had to rescale my injector flow rate to keep from going into rep mode.