Thread: Hypertech.....wow
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Old 09-30-2005, 08:56 AM
YukonGMC YukonGMC is offline
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Hypertechs won't give you much. About 10 horsepower. This guy does the best PCM tuning. Claims and many people back him up - 25-35 HP gain on the 5.3 and about 40HP on the 6.0.

Wester's Garage
Last edited by YukonGMC; 11-03-2005 at 11:58 AM.
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