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Hi all, I have a question on ATS springs. Yes before you say, I know this is the ex subpage and yes I have a 2004 F350...so Im at this point where I want to go somewhat back to a stock truck again. And ATS springs and Ford Super Duty/Excursion go together like PB&J. I want as close to the OEM x-code leaf springs as possible which are 3k per spring or 6k total capacity. Besides OEM (no longer available) the closest capacity is aftermarket around 2,600lbs give or take. So here's my questions...
A) can any of you who have ATS springs, give me the distance between center of the front shock bolts?
(add in engine and extra front weight please)
B) does anyone have ATS 43-812HD springs?
Im looking at two currently
Option 1)
43-812HD this is upgraded "oem" U-code
3 leafs @ .590"
Height 1.8"
Arch 4 5/8"
Cap 2,780lbs per or 5,560lbs total
Option 2)
43-818 "oem" X-code
2 leafs @ .625
Height 1 5/16"
Arch 4 7/8"
Cap 2,630 per or 5,260lbs total
Leaning towards option #1 - three lighter capacity springs for ride quality but together offer closer to OEM x-code capacity. So no sagging in the future AND im looking at maybe a face-lift of a nice winch bumper
And by the way my truck is a F350 5.4 ext cab short bed
With a 5.4, I would go with the U code replacements. That was the stock front spring on many SD 250's with the 7.3 diesel. The rate on that spring would be plenty for the weight. You can the adjust the height (travel) with just rear 1.5" rear PMF hangers or a variety of front hangers if you need more.