New Truck for my Mammoth
Well, since my F350 had 4 feet of water in it I went and found a 2015 F450 with 7000 miles on it. If I only had a house......
Forum Discussion
brinson wrote:
NRALIFR, what is the advantage of installing upper stableloads vs lower stableloads. Just trying to figure out what this truck will need.
Your F450 has both an upper and a lower overload spring. Take a look at this page on Torklift's site for a good explanation of your rear suspension.
Upper Stableloads replace the thin contact pad that your upper overload spring engages after the truck squats approx 2-3". The Stableload pads are very thick, and cause the overload spring to be engaged almost immediately, so the truck doesn't squat as much with a heavy load.
Lower Stableloads do the same thing for the lower overload spring; bringing it into play sooner so you can take advantage of its load-carrying capacity without squatting as much.
One advantage of the uppers vs lowers (so I've heard, anyway) is that the lowers can be noisy on rough roads. I've never had the lowers though so maybe someone who does can comment on that. The uppers are probably easier to install on most trucks. Some trucks require drilling to install the lower Stableloads.
:):)
