3.55 axle
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Joined: Feb 2018
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3.55 axle
Why can't I order a 3.55 axle on my new 2018 F350 4x4 crew cab pickup with 18" wheels, without adding on the heavy duty front suspension package? I was told the ride is stiffer and it raises the front end up. I just pull a 5th wheel trailer; I do not want to put on a snow plow or anything on the front. It comes standard with the 3.31, but I was told the 3.55 would be better in our area and for the amount of time we pull a trailer.
Tuned
Joined: Nov 2003
Posts: 293
Likes: 3
From: Mill creek wa
Just went through this. I ordered last week. I went heavy service springs...was cheapest way and hoping to find the regular springs for cheap from someone that replaced with lift.
For 3.55 you need:
Heaven service springs
Camper package
Plow package
Or 20” wheels
Like i said my way was the least money and will see how bad they feel...but I’m coming from a front leaf (04 superduty) so might not be so bad.
For 3.55 you need:
Heaven service springs
Camper package
Plow package
Or 20” wheels
Like i said my way was the least money and will see how bad they feel...but I’m coming from a front leaf (04 superduty) so might not be so bad.
Last edited by homerj; Feb 14, 2018 at 08:31 PM. Reason: Can’t spell
Senior User
Joined: Mar 2017
Posts: 416
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From: Texas
If you get the heavy front springs for the 3.55 you could probably find the standard springs for very little from someone who lifted a truck.
Even if you bought a new pair of springs at the parts counter and paid to have them swapped in, it would probably still be way cheaper than the 20" option.
Even if you bought a new pair of springs at the parts counter and paid to have them swapped in, it would probably still be way cheaper than the 20" option.
Logistics Pro
Joined: Apr 2000
Posts: 4,334
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From: Mills River
Why can't I order a 3.55 axle on my new 2018 F350 4x4 crew cab pickup with 18" wheels...
I suspect you wouldn't notice the marginally stiffer front springs, especially with the heavy diesel engine.
HTH,
Jim / crewzer
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I have the plow springs on my 250. I don't think they're real plow springs. They ride OK. Especially since they seem to be nicely matched to the rear springs. (maybe not on a 350) And they tow well. No porpoising. I'd give the HD, Camper, or Plow springs a fair chance. If you don't like them, it's a quick easy change.
Some of the 350 plow guys are running f550 springs.
Some of the 350 plow guys are running f550 springs.
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