Try nada.com
Depends on overall condition, mileage, options, etc...
Most likely mid-teens city, low 20s highway
3600 lbs
COIL
Depends on overall condition, mileage, options, etc...
just two in the rear
5.2 liters (318 cid)
About 1 3/4 tons
No, a 1991 Chrysler New Yorker does not have chip key.
its a five lug so 5
Turn signal stalk.
Assuming you mean catalytic converter, yes