[84LX89GT]

The way i'd figure out if a TB would work is to acquire one and see if it would bolt onto where the stock one would go, or figure out a way to mount it. Then i would take a DVOM (digital volt ohm meter) and measure resistance through the TP sensor to make sure the resistance range from idle to wide open throttle is the same (if it's same at WOT, then adjust idle stop accordingly) and figure out how to wire it. You could technically use just about any throttle body, it's mounting it up that should be the hardest part. Every Throttle position sensor is just a variable resistance potentiometer so it'll have a ground circuit, power circuit and signal circuit and you could probably just cut and splice the harness to the new sensor connector if it's not the same.