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Thats what I have listed for an F350 4X4. Same spring as is in my f250 4X4. There is a 43-498HD spring that is three leaf. If your in Northern California I have a new set of the HD springs that I'll probably never use.
Ok thanks. I am in Wisconsin. Are the 3 leafs that much better? Just looking to replace the worn out ones. Drivers side is kinda kinked. The ones you have are those 3 leaf or 2?
F250 springs dont have as much arch since its IFS, F350's have more arch. Also those HD packs are just Reproduction High Boy Springs if I remember right.
From the factory that is probably true. But from a going to a spring shop and getting new springs they are the same.
If you get the wrong springs on a TTB, they will fail.
They cannot handle the odd angle and weird torque the TTB puts on them, Thats why the TTB springs are thicker.
A guy about 8 months ago put 350 springs on his 250 in here with TTB and wondered why it was sitting so low in the front all of a sudden.
F250 springs dont have as much arch since its IFS, F350's have more arch. Also those HD packs are just Reproduction High Boy Springs if I remember right.
From the factory that is probably true. But from a going to a spring shop and getting new springs they are the same.
I think the deal with the 250 springs is they are tapered springs, the center is really think and thins out as you work yourself away from the mounting u-bolts. Seen here http://broncograveyard.com/images/ca...DIESELFRNT.JPG
The f350 spings with solid axle is a straight spring as it does not have to deal with the twisting motion.
With that said, I have a add-a-leaf on the front and that is a straight spring with no breakage. The only thing I can fault it is the occasional squeak crawling over REALLY rough terain like driving across 8 inch ruts in a dried out mud pit. The heavy steel spring clamp that wraps around the oem springs will squeak under tis conditions(metal on metal) but nothing that I see that is worrisome.
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