Dissconnect the AIB vavle on the side of the throttle body and see if it does it anymore. It's the cylinder shapped in the front. It will take you a second to keep it running with that unplugged, untill the car warms up. That works like a choke. If it doesn't idle that high anymore, replace it and everything should be ok.
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87 GT, 4 inch cowl hood,17x9 Cobra R's/255/45's,GT-40 heads,Crane 2031, Edelbrock intake, long tubes headers,h-pipe,Flows,BBK cold air, Mass air,70mm MAF, 1.7's, 1" spacer,underdrive pulleys,Pro 5.0, King Cobra, Adj. fuel Reg., Lakewood Lift Bars,50/50's,subframes, 4.10's.
Best time 12.759
Best MPH 106.79
Best 60' 1.695
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