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  1. #1

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States

    Default getting hypertech III

    I am going to buy a hypertech III for the beast this week or next, just because i really need a code reader and i might as well kill two birds with one stone. Am just wondering what some of you have used for settings, have you found it worth it to adjust for the higher octane or just leave it at 87. Any other suggestions on the tuner would be appreciated , Thanks!
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual

  2. #2


    Hey, I don't have a hypertech but I have the superchips cortex and I've tried both the 87 and high octane modes. The hp gains for my vehicle were doubled on the high octane mode, but of course you have to couple that with the added price for gas. I didn't really notice any mpg difference, but of course i've only had the programmer for about a week and my foots been pretty heavy since then.
    2006 Silverado 1500 Z71: K&N FIPK, true dual flowmaster 40, superchips cortex, window tint and audio mods, CB, TBS, sprayed liner/box

    1967 c10: frame-up rebuild with crate 350, too much to write

  3. #3


    If just for the price and superchips cortex offers a 2 year powertrain warranty with there product. I dont know how much you are paying for the hypertech but i would go with the superchips.

  4. #4

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States


    I found a hypertech III on CL for $150

  5. #5
    Jr. Engineer
    Join Date
    Jan 2009
    Rochester, MN


    If you buy a Hypertech, make sure to get a used one. That is the one aftermarket part where a used part will function no differently as a new part and you will save big bucks by doing it that way. Just make sure if you buy one that the seller states that it is not VIN locked. If you buy one on craigslist, make sure you bring your truck with you and try to program it before you pay them.
    99 Silverado Z71 4.8
    2" Suspension lift (Add-a-leafs and leveling keys)
    Long tube headers with 3" offroad Y-Pipe
    Volant Cold Air Intake with Ram Air Intake Tube
    Jet Mass Air Flow Sensor
    Diablosport Predator Tuner

    Previous Truck:
    97 Suburban K1500
    3" Body lift
    2" Suspension Lift (Add-a-leafs and cranked up torsion bars)
    35" Yokohama M/T's
    K&N Intake
    Airraid Throttle Body Spacer
    Hypertech Programmer
    Dual Flowmasters

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