In 1996 I got my LT1 car into the high 12's in Denver with bolt ons and a tune. A lot of dialing the suspension. Six speed car and I banged the hell out of it. I had a 77 Z28 at the same time that was faster and easier to get down the track so I raced it more often. It ran low 11's and probably would of ran 10's at a more acceptable altitude. When you start at 5900 feet and its 95 degrees and the humidity is 46% the DA is shit.
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