07 grand cherokee 4.7 hyperthech econ power programer

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number01stunner
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07 grand cherokee 4.7 hyperthech econ power programer

Post by number01stunner » Tue Apr 10, 2012 8:54 pm

Whats up guys, im looking into a hyperthech power programer econ that claims +39hp and +42tq and better gas milage what do you guys think/???? has anyone have any experience with this kind of upgrade??

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paroxysym
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Re: 07 grand cherokee 4.7 hyperthech econ power programer

Post by paroxysym » Thu Jun 07, 2012 10:39 am

im running the SC tuner on mine. even on the 87 tune, im still getting around 17-18 cruising. alot of the 3.7 guys go with the hypertech.
2007.5 WK Laredo 4.7
Fastman - Magnaflow - Daystar - Bilstein - Mopar - Airram

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