LS1JAY is right about the G-Tech being optimistic, especially on the trap speed. My car runs 99-100 at the track while the G-Tech says 104-105. My ET's are about .2-.3 less on the G-Tech as well. I've run it at the track on the exact same runs, so I know what it does, at least on my car.
Rev
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'66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph
1/4 mi.
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