GMC Sierra 1500 Questions Car Customization
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Have anyone made any modifications like this and would you mind sharing some pics of the finished product?
This is the fourth time this transmission has been out of this truck I don't want to put it back in again. I'm looking for an upgrade. I would prefer something with more years. In 94 the speed limit...
So, I've been searching the Internet for a chip to help my 99 Sierra get better gas mileage and haven't really found anything other than chips that are obviously a scam or crap from eBay. My quest...
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