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My front leafs look like there worn out. But Im not sure the truck is new to me, its a 85 f250 6.9 diesel 4x4. There is like two inches of clearence on each side before it hits the stoppers. they are not like the back as the back leafs arch, the front ones go the opposite way. Are new leaf springs the need?
The stock front springs do arch upward, opposite the way the rears do, that is normal. What you need to look at is the spring bushings. If the large bolt that goes through the bushing is not in the center, then the bushing is worn. There is one on the front up inside the frame that you cannot see, that is famous for wearing out. These bushings being worn can let the spring move up close to the bump stop.
Getting to the bushings is usually easy, getting them out can go either way. They could fall out or they could be stuck fast requiring you to drill or burn them out.
On mine, it was not fun. The u-bolts were stuck, and the old bushings where stuck in the springs. I replaced them all with plastic aftermarket bushings. What complicated the job even more was I had to replace the bushings on the frontend housings where they pivot in the center. They are not much fun either.
on my 83' F250, I replaced the original IFS springs which were sagging and giving the truck a "bowlegged" appearance... I went with the heavy duty springs, when I did the replacement I needed a torch to remove the old bolts...