There used to be a guy around here that had a 94-95 coupe with almost identical mods as you (SlowStang2) and I think he ran a best of 13.60 at 99 on cheater slicks. This was done at Norwalk which is like 100 feet above sea level.
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1989 lx notch
89,000 miles
bolt-ons,stock heads/cam
60'- 2.07, 8.90@78, 13.93@99
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