Assuming you mean catalytic converter, yes
3600 lbs
just two in the rear
its a five lug so 5
There is no ignition module on a 1987 5th ave. The spark control computer is on the air cleaner with a vacuum line hooked to it.
ON A 1987 IT IN UNDER THE ALTERNATOR (PASS. SIDE ) YOU NEED TO REMOVE THE ALT. TO GET TO IT
Three on each side and two on the back.
Most likely mid-teens city, low 20s highway
no Chrysler product transmission changes are controlled by the passing gear linkage hooked onto the throttle if it is slipping pretty much shot
5th Aves are notorious for going out of alignment. You need to get an alignment (about $60).
Its in the manual. It says the fromt park and turn is 194NA and 2057NA. The rear is given as 1157.
Under the alternator. It is connected to 3 hoses and you might want to take out the alternator to access the fuel filter.
R12, if still available at your local parts store (requires a license), is very expensive. It is cheaper to retrofit the system to use r134a.