Air Bag and Overload Spring Question
Sorry, I know this has been debated, but even after reading the archives and elsewhere on Google, I don't have a full understanding. I have a F350 with AirLift 5000 air bags that I installed in the r...
Forum Discussion
jimh425 wrote:HMS Beagle wrote:
The Ford overload has a total capacity rating of 438 lbs each according to Ford (2015 model).
Please post a link and whether you are talking about the spring or the perch, bolts, or both.
Look here
for the '15. Similar places for other years (but the answer is similar). In the spring specs it says the entire pack is rated at 3133 each including overload, and the main spring pack alone is rated at 2695. You do the math.
On my '99 the specs were more explicit: it specifically calls out the overload as being rated for 518 lbs. each at the pad. (That is actually the '00, I cannot find any online specs on fleet.ford.com for the '99).
Its a dinky little leaf. From looking at it, I believe the perch would probably survive whatever that spring can do to it, but bend it more than a few inches by blocking it, the spring will bottom on the main pack and now that perch is carrying the whole truck.
