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98 gt now what??

  1. Introductions
    i have 98 gt 5sp coupe with pi heads and intake done and thats all :needahand: want to know what should i do next. i want to get to 13.9 by the the end of this summer. doing first run this wensday at sacramento race way. i had a 94 gt vert with flows and underdrive pully kit that did 15.1 so i...