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Thread: 94 K3500 454 Vortec

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  1. #1
    Fuel Injected!
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    Not sure which part of the conversion you are asking about but the mechanical was an L29 top end with Fast 36lb injectors and an L19 distributor. Fuel lines were custom. The ecm started as the original 7427 ecm and was swapped out for a Dynamic EFI EBL Flash II with port mod.

  2. #2
    Fuel Injected!
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    Just trying to understand if it was something in the changes posted by 93V8s10 MPFI.zip. Posted here. Thanks.

  3. #3
    Fuel Injected!
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    Quote Originally Posted by ras"86 View Post
    Just trying to understand if it was something in the changes posted by 93V8s10 MPFI.zip. Posted here. Thanks.
    The best person to speak with on that would be David at Old School EFI. He is a wealth of knowledge on that kind of info. I know when I started this process he sent me an email on the process I would be more than happy to forward them to you if you want to email me. Supraman500hp@gmail.com

  4. #4
    Fuel Injected!
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    I may do that, Thanks.

  5. #5
    Super Moderator dave w's Avatar
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    I've been successful with several MPFI conversions. I'm dumbfounded what was causing the flooding. The origins of the MPFI conversion were from HP Tuners.

  6. #6
    Fuel Injected!
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    I'm going to change to a l31 and wanted to go mpfi and trying to get every thing ready. Still considering a 0411 but have concerns about the 4l60e.

  7. #7
    Super Moderator dave w's Avatar
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    The 16197427 MPFI conversion is a good option for the L31. It the budget is available, an 0411 / L31 is a better option.

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