half spring?
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Senior User
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half spring?
what are these things under my rear springs?? do they prevent axle wrap? as you can see in the picture they hit the rubber isolator a lot.
i will be putting v codes in the front later this year when i take them out of my superduty, for the rear is a set of f350 springs a good idea? or is something else better
i will be putting v codes in the front later this year when i take them out of my superduty, for the rear is a set of f350 springs a good idea? or is something else better
Laughing Gas
Joined: Jul 2010
Posts: 1,174
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From: Flat Rock, MI
I was told those were put there for low speed/high load conditions (4-LO). Other than that, they don't serve much of a purpose in my opinion. The 4x2 Excursion uses the same spring and rate as 4x4 with the difference being the "1/2" spring you mentioned.
Yes, F250/350 springs are a great idea and very popular. I just upgraded to Vs and what I think are C's for the rear. What are the spring codes on your pick up (look at the door jamb label, driver side)?
Here's my thread for reference, https://www.ford-trucks.com/forums/1...ring-swap.html There is a lot of info out there/here!
Yes, F250/350 springs are a great idea and very popular. I just upgraded to Vs and what I think are C's for the rear. What are the spring codes on your pick up (look at the door jamb label, driver side)?
Here's my thread for reference, https://www.ford-trucks.com/forums/1...ring-swap.html There is a lot of info out there/here!
Last edited by RobRoss; Jul 8, 2014 at 11:53 AM. Reason: added link
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my pickup spring code is VA,
thanks for the info on that piece, just seems like it is riding on it a lot but since my front springs are sagging bad I imagine the rears are as well
I will check out your thread
thanks for the info on that piece, just seems like it is riding on it a lot but since my front springs are sagging bad I imagine the rears are as well
I will check out your thread
Cargo Master
Joined: Oct 2006
Posts: 2,097
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From: chicago northwest suburbs
Yes, they prevent spring wrap and do work! Wen you swap to F series springs you do away with the "slapper bar" spring. I still have them on mine and it works. The reason is the springs on the X are tapered to allow for a softer ride. You will see the difference in leaves when you take them out.
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From: Media PA
Not exactly Mark, a "helper" would have to extend to both sides of the axle in the spring pack to be able to "help" the springs. These half springs on our 4X4 EX's are purely traction bars, they only come into play when the weak factory springs wrap up under load/accelleration. Not only in 4-Lo like Rob was told but under any high load going forward. My Ex would suffer from a huge amount of spring/axle wrap while starting out from a stop when pulling our toyhauler travel trailer with the stock rear springs. Swapped out to a set of modded B codes with the additional leverage of the taller F-350 blocks and two sections of the traction bar I don't feel any wrap now even with the heavier new TT under normal conditions. I can get these to do some wrapping if I really hammer it off the line but that's not how I drive when towing.
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They do not work well. Not like the old style slapper bars they are meant to mimic, or like a good set of Caltracs.
Stewart
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Not exactly Mark, a "helper" would have to extend to both sides of the axle in the spring pack to be able to "help" the springs. These half springs on our 4X4 EX's are purely traction bars, they only come into play when the weak factory springs wrap up under load/accelleration. Not only in 4-Lo like Rob was told but under any high load going forward. My Ex would suffer from a huge amount of spring/axle wrap while starting out from a stop when pulling our toyhauler travel trailer with the stock rear springs. Swapped out to a set of modded B codes with the additional leverage of the taller F-350 blocks and two sections of the traction bar I don't feel any wrap now even with the heavier new TT under normal conditions. I can get these to do some wrapping if I really hammer it off the line but that's not how I drive when towing.
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Thanks for all the replys. I'm not at all impressed with the stock springs.
I think I'm list with something here
Modded b codes?
When I swap in superduty rear springs do I keep the over load spring?
Will sd springs give me any lift?
I think I'm list with something here
Modded b codes?
When I swap in superduty rear springs do I keep the over load spring?
Will sd springs give me any lift?
Post Fiend
Joined: Mar 2009
Posts: 11,798
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From: Mt. Shasta California
What overload spring?
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From: Media PA
Thanks for all the replys. I'm not at all impressed with the stock springs.
Depending on how you use your Ex they can leave a lot to be desired. The rears are horribly weak if you tow heavy.
I think I'm list with something here
Modded b codes?
B codes from a Superduty truck, modded by adding the two bottom leaves from the EX spring pack along with the EX's thicker between the leaves spacers.
When I swap in superduty rear springs do I keep the over load spring?
The EX's slapper style traction bar bottom half leaf goes away when you do a B code swap. All B codes come with a heavy thick flat bottom overload plate/leaf that stay in the modded pack, some B codes come with a thinner top overload leaf, that has to come off when installed in an EX as it can hit the rear A/C lines.
Will sd springs give me any lift?
Depending on how you use your Ex they can leave a lot to be desired. The rears are horribly weak if you tow heavy.
I think I'm list with something here
Modded b codes?
B codes from a Superduty truck, modded by adding the two bottom leaves from the EX spring pack along with the EX's thicker between the leaves spacers.
When I swap in superduty rear springs do I keep the over load spring?
The EX's slapper style traction bar bottom half leaf goes away when you do a B code swap. All B codes come with a heavy thick flat bottom overload plate/leaf that stay in the modded pack, some B codes come with a thinner top overload leaf, that has to come off when installed in an EX as it can hit the rear A/C lines.
Will sd springs give me any lift?
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on top of my superduty rear springs and all i have seen they have 1 leaf on top of the pack that when loaded heave the end of the springs contact brackets on the frame to help with load carrying ability,
do i keep these
do i keep these
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Yes, swapping in a set of front V codes on a V-10 EX should raise the suspension about 1.75" and a PSD EX will go up about 1.5" or so, depends on how tired the stock springs were. Modding the rear B codes will give a similar amount of lift plus less squat with a load as they have a higher rating.
thanks for the info, my v codes still have a decent arch to them, but my SD has 245K on it with the 7.3 so i may just get new springs they aren't that much
Cargo Master
Joined: Oct 2006
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From: chicago northwest suburbs
True they aren`t meant for racing, but the rear of my X rises slightly when I accelerate with my trailer hooked up! So I feel they do work as intended.