No.
No
I'm not sure if you can on that model. If it has a distributor, you can loosen the hold down bolt and turn it to advance or retard your timing. If it doesn't have a distributor, it set by the ecm.
235/75r15
It is behind the battery.
It is in the fuel tank.
electronic choke wiring
170170
.035 inches
dodge did not have a six speed in 1989
It should
Eng,trans,drive shaft