I have a 2005 F150 FX4 Screw 4x4 (62,000 mi) and my question is about the rear leaf leaf springs. It has the tow package with 3.73 and leaf springs are the 3/1 (1900 lb). There is sag when putting the camper on the hitch but levels fairly well with the w/d. The tongue weight is approx 600lbs.

Should I replace the rear leaf springs with a 4/1 (2400 lb) leaf or just add airbags or an AAL to help the rear a little?
By add a leaf or going with the 4/1 leaf springs, will this lift the rear too much and give it to much rake? I always thought of adding a level kit (2 or 2.5") in the front.

Any thoughts or advice is greatly appreciated.

Capt.

 

If you can afford what you want, the air bags would likely be the best option.

 

My vote would be air bags. Improved ride quality both loaded and unloaded. They say to run about 5psi in the bags when unloaded, just enough to keep the bags inflated, and it'll calm down some of the rear end bounce.