Join Date: Mar 2011
My Ride: 92 Iroc R/T
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Re: 1991 dodge spirit R/T problems while running!
Okay I'm no TIII pro but my TIII car had the EXACT same problem. Dumbass PO had 1 and 4 switched, timing was off, etc etc.
Its a good thing your trying to fix the problem and not driving the car (I hope, my blew the head and over a year later I'm still putting the motor back in after a complete rebuild).
I would check the turbo while your at it. Mine was shot when it started to act up like your car. Still have no idea why it did it, but ended up blowing a channel in my head.
Redo the timing with correct tension, check codes, check vacuum leaks, check turbo, fix wires and see where that gets you. In the meantime some TIII guru will get on and give you some better advice!