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  1. Rebuilding my 5.3L in my NNBS

    Engine & Performance
    Hey guys, I wanted to get your ideas on an upcoming project I will have coming up. I have a 2008 Chevrolet Silverado 1500 with 180,000 miles and have been using a Range device to shut off the DOD/AFM since I have owned the truck which is about 50,000 miles. I am noticing there is a lot of...
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