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Hypertech PowerProgrammer III question...

This is a discussion on Hypertech PowerProgrammer III question... within the Computer & Tuning forums, part of the LSx Technical Help Section category; I have an '03 Duramax and I just bought a Hypertech PowerProgrammer III. My question is........does anyone here have one? ...

  1. #1
    Senior Member FasstChevys's Avatar
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    Hypertech PowerProgrammer III question...

    I have an '03 Duramax and I just bought a Hypertech PowerProgrammer III. My question is........does anyone here have one? How do they like it? Pros? Cons? It has three stages and sounds like it will be very easy to work with...................let me know what you think!

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    Senior Member ss~zoso~ss's Avatar
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    i heard they are awesome for trucks but shitty as hell for ls1's

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    Senior Member ninobrn99's Avatar
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    moving to the computer & tuning forum

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    Member Nitrous's Avatar
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    HPTuners rules! I have an old HTIII for my old vortec. It was pretty good for it's day.

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    Jesus died to save you! Killer_bluebird's Avatar
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    Quote Originally Posted by ss~zoso~ss View Post
    i heard they are awesome for trucks but shitty as hell for ls1's
    That's also what I've heard. I lost power when using one and ran a bit too lean for my taste.
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    The Bandit Wesman's Avatar
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    Quote Originally Posted by Killer_bluebird View Post
    That's also what I've heard. I lost power when using one and ran a bit too lean for my taste.
    I've been looking for a cheap HPPIII just to recalibrate my speedo after the gear change and set the cooling fans to come on earlier. However, I have also heard that its not a good tuning device overall.

    The ones for the trucks are excellent, especially the Diesels. Shouldn't give you a problem, I think the LS1 is just to touchy to program with a pre-set handheld tuner.

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