I've been a 9.10@78 and a 14.3@98 in my 1990 GT with 4.10 gears, Southsides uppers & lowers, subframe connectors, shift-kit, pulleys, 75mm Pro-M with a K&N, 3-core radiator & electric fan, MSD 6al, JBA shorties, high-flow cats, Flowmasters, Welds & radials, and a fresh tune-up.
Hope this helps.
Mark
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