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    1. 02-27-2014 #1
      camaro68
      camaro68 is offline New to Pro-Touring
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      Apr 2008
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      27

      LS1 with Drive by Wire

      If you use a late model DBW ECM on an early 5.7ls. Do you have to reprogram the ecm for the 24 tooth reluctor ring? If so how hard is it to do with an EFI Live programmer?

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    3. 02-27-2014 #2
      Z06vet's Avatar
      Z06vet
      Z06vet is offline Registered User
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      Jul 2006
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      Pensacola, FL
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      I dont believe that will work, but I am no expert. Probably best to use 99-04 C5 ecm & harness if u want to use DBW on a 24X LS1. At least that was my finding several years ago.
      Scott
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    4. 02-28-2014 #3
      garys 68
      garys 68 is offline Registered User
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      Don't think it can be reprogrammed. There are 24 to 58x converter boxes though (Lingenfelter?)
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    5. 02-28-2014 #4
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      cmac06
      cmac06 is offline Registered User
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      Dec 2011
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      Alabama
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      LS1 with Drive by Wire

      Won't work at all, new ECM uses 58x reluctor.
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