Your times are fine. Mustang92 is right get that 60' down in the 1.8-1.9 range and you should get into 12's easy.
A 2.0 60' time usally has me off by half a second in quarter.
As for gears I dont fully belive that considering I run 3.27's
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My '00 GT
2000 GT Laser red-5speed,MAC Cold Air, MAC 2 1/2" Cat-Back, 3.27gears, Pro-5.0 shifter, Weld Draglite's 15x5 and 15x10, 275/50-15 DragT/A's, 165R15 front, BBK Underdrive pullies, BBK offroad X-pipe with Dynomax super converters
Best Quarter mile run to date: 13.296@101.99(9-9-01) Best MPH 102.42(9-9-01)