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Hi - Glad to respond. Yes, I had a very positive experience with Dave. He doesn't have his own shop, but will meet you at the facility of a friend's car repair place. He appeared highly knowledgeable, having worked for GM, and seemed to know all the tuning parameters. I wanted quicker shifts, which he programmed on the road, and in sport mode, a startup in 1st gear, rather than 2nd. So, overall, it was a good experience, and I'd use him again. ~ Buzz
