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  1. #1

    Default just got a hypertech max energy

    and i rate it -10 out of 10. i got this thing for my 04 silverado 2500hd 6.0 and no matter what i do ever since i installed it engine tumbles at only 4-500 rpm and dies if i put it in drive. so unless hypertech has a quick fix over the phone, they will be paying for my ecu to be flashed. i haven't seen a single disclaimer anywhere.

    Do not buy this.

  2. #2

    Cool just got a hypertech max energy

    Does it tumble after removing the hypertech tune? Hypertech does have a 30 day return policy.

  3. #3


    the problem is it wont return it to stock even thouhgh it says it has. tune or no tune it tumbles now

  4. #4
    Sr. Apprentice
    Join Date
    Nov 2009
    Great Falls MT


    Thats interesting. about a month after i programmed my rig with a hypertech programmer my transmission went out. The mechanic who rebuilt my tranny said that the programmer had nothing to do with it but im not so sure it didnt.
    Andy aka Shmeag

    97 Silverado Z71
    5.7 350
    2'' lift
    2 10'' subs 800w amp

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