I'm sure a power programmer will do well for an SS. However, a tuned PCM is even better. Theres a guy named Bryan ant PCM for Less that has the Silverado SS as a test bed and has had good luck tuning it. Give him a try.
Bully Dog, Diablo Sport Predator and Superchips are some programmers that we have in stock for the gas motors. Bully Dog is the one that I would suggest you to look at. I have all three listed on our web site. Please let me know if there is anything else I can help you with.
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