Catalytic convertor broke.
Water pump replaced.
Fuel gauge isn't reliable.
Dashlight out.
Some leaks in the coolant system.
Heater core leaked.
The seats are uncomfortable but the leg room is ample and all of the controls are easy to get to.
The V6 provides power, but the transmission is a little jumpy.
Though it's high in mileage, I haven't had to spend much on repairs.
If you buy one and the heater core needs to be replaced, roll it over a cliff. It's terrible to get to and a mechanic will charge you an arm and a leg to do it.
I have a 91 LT too, I've had all the same problems you did + the brakes go out every 4 to 6 months on mine.
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