Here's the story... I put the motor from my 88 GT in this 91 GT body. I replaced the sensors- MAF, TPS, IAC, Barometric Pressure, both O2s. I installed a BBK 190lph pump, adjusted idle, and replaced ECM with A9L from Autozone. Wheels would spin through 1st, 2nd, 3rd, and even 4th. One day it...