Type: Posts; User: truckbuck
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I installed a Max Energy Hypertech program in my 02 GMC 1500 6L truck in june when the gas went thru the roof, before the install I got 14-15 mpg & after, I got a whopping 14-15 mpg! Zero...
just joined up! hello to all
I found this site cause I was looking for information on a truck problem & decided to join.
I have driven GM trucks all my life & for the most part treat me good, but...
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