HI,
you'll have to be more precise with your question, there are many adjustments.
Answer please: did you overhaul the carb,
Do you have problems with starting/idle
Does the choke come on/off?
he is correct there are many adjustments to be made from adjusting the carb set screw for the idlemixture to changing the jets sizes(of which u can change both the main jets as well as the idle mix set) both of which can improve gas mileage as well as a few other tricks to be done. for i have owned a chrsler for many years and i am getting aprx 26 mpg out of mine if u need addtional help please feel free to email me at TIMmORON1 @ Yahoo.com and i will help on this or any other question regarding 5th ave,dip's,or new yorkers
3600 lbs
your fule line may be clogged
just two in the rear
its a five lug so 5
Assuming you mean catalytic converter, yes
replace fuel pump. its on the pass side under the alt. or power steering pump on v-8 engines.
carburetor
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.
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.
Most likely mid-teens city, low 20s highway
East West, sadly, has closed. There is a new store like it on 5th Ave. between 5th Ave. and 6th Ave.