Leaf Spring Swap
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3rd Gear
Joined: Apr 2019
Posts: 3
Likes: 0
From: Alvin, Texas
Leaf Spring Swap
I’m not much of a suspension guy and I want to change the leaf springs on my ‘15 F250 Lariat FX4 CC SRW to the F350 leaf springs. I’ve heard that it will increase the trucks load rating and give it a better ride. Is this true? Much appreciated in advance to any replies.
Cargo Master
Joined: Nov 2007
Posts: 2,238
Likes: 475
It depends on the spring code on your door sticker, 250s or 350s could have got the same spring depending on the option packages(towing/camper/plow packages). The height difference is just cause of the different rear block. Unless you're way under sprung for some weird reason, putting heavier rated springs on a vehicle will almost always hurt ride quality when you're unloaded. Depending on how much more capacity you want, and how often you run loaded, you might want to look into either adding an overload spring to the pack or getting air helper bags.
More Turbo
Joined: Feb 2003
Posts: 521
Likes: 0
From: Alexandria, Ohio
I believe in 2014 the blocks on SRW 250/350 are the same. 250 has 2 leafs and a "helper" on the bottom. 350 has 3 leafs and "helper" on the bottom. Camper package adds the overload spring to the top of the pack. Prior to '14 the blocks and springs were the same depending on the options.
Lead Driver
Joined: May 2003
Posts: 9,303
Likes: 48
From: Lyndonville, Vermont
Hardly anything will make the ride better except weight....Leave the springs and get timbrens if you want more load capacity. They work great after the first inch of compression...
Riding empty is gonna feel pretty stiff...Lower air pressure in tires when empty to 45 psi.. front to 50...
Riding empty is gonna feel pretty stiff...Lower air pressure in tires when empty to 45 psi.. front to 50...
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