3/4 ton to 1 ton

[ZachBoyer]

Whats the difference in the 250 and 350.

I want the extra capacity. What is the leaf and helper count on the 350.

[ZachBoyer]

[zpd307]

if i remember correctly, the f350s just have the extra overload spring. you would need to get the brackets that bolt to the frame for that.

[ZachBoyer]

I have a helper spring and havn't counted the leaf pack. I didn't know if the 350s had more in the pack and another helper or what the deal was

[zpd307]

my 03 f350 had the same amount of springs as my buddies 01 f250. i just dont remember what the number was. this 99 f350 dually i just bought does not have the overload springs like my 03 f350 had.......

[zumawater]

So the 250 and 350 are the same?? I might buy a 350 but am worried that its too stiff. How do I get a smoother ride? Oh I did not want to steal this thread....sorry.

[PahStroke]

dont the 350's have a block in the back also?

[zpd307]

f350s have a taller block, so the *** end sits up higher. 3 5/8", which is what my dually has, i also checked that against an 04 f350 srw, which had the same block. idk what size the f250s is. i know there are different spring rates that ford offers, so i cant guareantee that the springs are exactly the. all i know is that the above leaf comparison is the same. the overloads only come into play when you are loaded. the weight pushes the truck down until it hits the overloads and then stiffens it up so it the back doesnt sag as much. ever notice f250s with a heavy load and squat really bad? i didnt think my 03 f350 road harsh empty. i am just surprised that my dually, now, doesnt have overloads. must have a stiffer spring.

[ZachBoyer]

So basically. I would have the exact same capacity if I just put the 350 blocks in the rear. Find that odd.

[Jake]

As far as i know, the only difference between 250 and 350 rear suspension is just that 350s have a taller block. Same springs/spring count. Some have the overload springs, im not counting those.