1998 black box programming options ? Help .

Discussion in 'Engine Performance + Maintenance' started by moremudd, Nov 9, 2017.

  1. Chewy1576

    Chewy1576 I'm Awesome

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  2. Christian Steffen

    Christian Steffen I'm Awesome

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    Thanks for the useful info. I still wonder if it was a different operating system though, there has to be a reason HPT decided not to support it.
     
  3. eldplanko

    eldplanko Newbie

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    I’m getting ready to do a 411 swap on my vortec, maybe this weekend. I made my own conversion chart based on wiring diagrams from my factory service manual. I’ll share it here if it works out, but the devil is in the details, and I have things mapped that may not apply to you (8600 gvwr, 4l80e, ac, cruise, dash mounted 4wd switch). I’m planning to do th stock programming myself I EFILive,, the probably buy a data logged tune from someon.
     

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