No, different type of springs.No, different type of springs.
Yes.
Different body styles. Different springs 2001- drum brakes 2003- disc brakes.
You perhaps have a hairline crack in your distributor cap?
Dodge ram 1500 is a 1/2 ton truck. so 1000 lbs is what you could load in the bed. Be carefull though, if you have a loader dump alot at once you could break springs or blow out a shock.
Either a worn or a bent componenet.
spark pluggs
Fuel Pump? Fuel filter?
Yes
No.
No
check plugs &wires