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I have only seen fault code 53 so far. OBD code says it is overvoltage to TPS but data from logger show 0 volts or .5 most of the time. I’ve slowly been working to shield all wires. Also will be replacing the coil as it is one of the few “old items” reused. MSD unit is on the dash side of the...

Guys, hoping you can help out this B body. You guys seem to be better versed in the Fitech issues. I'm getting a bit desperate. Engine: 440 Fitech: EFI 4 600hp Vacuum: 7.5hg Cam: Comp cam 21-225. Intake 240 duration at .050, total lift .507. Exhaust 246 duration, total lift .51. Lobe...