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Here are before and after tunes and a log

Steve B here. Sports car enthusiast since the 1960s, I have owned MGs, Saabs including two Sonetts, Audis and a Rover 2000. I have never owned a V8. Current cars are Pontiac Solstice Coupes, one in...

After installing a supercharger I installed the tune provided by the SC kit maker. They said drive-ability would improve in 500 or so miles as the computer "learned" and it did. I then downloaded the...