Greg didn't do so well when he tuned my C5Z after the twin turbo install. He had the upper RPM band WAY too rich, and I actually had a lot of unburned gasoline blowing out the tailpipes as dark smoke. I asked him about the smoke, and he said he just prefers tuning too rich rather than too lean and it was nothing to worry about. But when I saw the dyno chart from another tuner, this wasn't just a little bit rich. It was a LOT rich. Like off the charts rich.
I'm glad it didn't cause any damage that I know about. Fortunately I never "got on it" all that much, which might have been a good thing for me. But that was right after he took over the tuning at AntiVenom after the presumed falling out with Tom, so I'm guessing he hadn't sharpened his tuning skills yet.
IMHO.
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