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Discussion Starter #1
I finally got my new springs installed this week. I put X and C codes on her. The look and feel of the truck is remarkable. This is a pic before the install.

This is the after pic.

As you can see from the pics below, I had a serious problem with the springs and bump stops.


Here are a few pics of the install, not like you haven't seen ones like this before.






And here she is after she is all put back together with the 'stuff' back in there.

I took measurements to begin with and immediately after the swap. It looks as if the rear is lower than the front, but the tape showed it was level. Must be an illusion. Here are the measurements before and after. I started with measuring the distance from the bottom of the wheel to fender well.
LF before 31" after 33.5"
RF before 31 1/8" after 34"
LR before 31 1/2" after 33 3/8"
RR before 32 1/2" after 33 7/8"
Front air dam(center) 14" before and after 16.5"
LF bumpstop pad to bottom of frame went from 4" to 5 3/4" and
FR bumpstop pad to bottom of frame went from 3 3/4" to 5 5/8".
Receiver at safety loops 14" before and 15 1/4" after.
Once I can find a more level spot, I will take more measurements to be more accurate. But in the meantime. WOW what a difference in driving! No more jarring at all! Rides very smooth and corners very well. I expect the from end to settle a bit under the weight of the 7.3L, so I am not disappointed that the rear looks a little low. On the shop floor, immediately after putting it on the ground, all fender wells were the same height off the ground. Sitting im my driveway, like I said it looked a little nose high. In a couple of weeks, I will take more measurements and get back with you. Many thanks to Jeeplj8 for doing this mod and convincing me that this was the way I wanted to go. I cannot believe the way the truck rides and drives now. My wife doesn't like the fact that she has to step higher now, but oh well! However, she does like the way it rides. And now for those famous words.....I should've done this a long time ago!!!!
 

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Wow first off awesome job in remembering to measure and record it all. Second two questions. Are these stock springs off of another truck or actually made for the ex? (sorry a Lil behind here). And how much did the front set cost you? If I were to do it I would only do the front because my rear already sits up, higher then yours even with the springs it looks like from the pics.
 

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Wow first off awesome job in remembering to measure and record it all. Second two questions. Are these stock springs off of another truck or actually made for the ex? (sorry a Lil behind here). And how much did the front set cost you? If I were to do it I would only do the front because my rear already sits up, higher then yours even with the springs it looks like from the pics.
I bought new springs from Leaf Springs, Helper Springs and Suspension Parts | SD Truck Springs . The X code springs came standard on the F450 and F550 trucks, but also came on F250-350 with the snow plow prep package. The front set cost me $220 just for the springs as I bought them in May when they had a sale on(item number 43-818). Not much difference in price now. Shipping is the expensive thing. For front and rears, it cost me $150. Some Ford dealers give great deals on springs and you don't have to pay that high of shipping costs. The front u-bolts and nuts are the standard Excursion bolts and nuts. Nothing special there. My rear springs were worn too. But mostly I wanted new all the way around (rear cost was $253 Item number 43-1263). I chose rear springs from a 2003 F350 DRW 4WD called C codes. The ride is incredible! With the Hellwig rear sway bar in place and new springs, she corners very flat and handles superbly! :D Hope this helps!
 

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Where exactly did you measure from? Ground to fender well? A pic so I'm for sure I'm measuring from the right spot would be awesome
 

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I measured straight up in the center line of the wheel from the bottom of the wheel to lip of fender well. Not to the ground, so it takes the tire pressure out of the equation. Did this on all 4 corners. On the front, I also measured the bump stop rest to the frame to get a true indication of actual lift.




Hope this helps. Will try to take pic tomorrow of where I measured from if I confused you even more:dis:
 

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I measured straight up in the center line of the wheel from the bottom of the wheel to lip of fender well. Not to the ground, so it takes the tire pressure out of the equation. Did this on all 4 corners. On the front, I also measured the bump stop rest to the frame to get a true indication of actual lift.




Hope this helps. Will try to take pic tomorrow of where I measured from if I confused you even more:dis:
ha nope ive got it now.
but im dont understand. i measured mine and the RR is 33.5, RF is 31.5.... now why do my factory springs sit higher then yours did? i'm wondering (because i always wonder) is my tow package a little bit different then yours because i have the larger mirrors? so maybe my springs are a bit stiffer?
Anyway it looks like i can get away with just doing the front. Awesome !!! thank you so much for your help
 

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For some reason, I ordered mine with the paddle mirrors instead of the tow mirrors. I ordered this truck from Ford new in '01. I had used them on ambulances since they debuted in '99 and did not like them. The tow packages are the same. Look on your driver's door at the sticker there. It has the spring codes on there. Most Xs with a 7.3 had DG as the codes. Keep in mind, I carry about 500-600 pounds of stuff in the back too. It was initially measured with an almost empty tank of fuel also. I would love to do the '08 mirror mod, but just not going to spend that much money right now. Back to the springs, each truck will be at a different height due to how the truck has been used. I used mine for towing boats and car trailers for years as well as carrying the weight I listed before. My back springs had not contacted the bump stop in some time, however they were very worn. They caused what is known as 'bump steer'. When hitting a large dip in the road, when they compressed and rebounded, it would actually change the direction of the truck as if you had turned the wheel. All Xs have very soft spring rates.
Vehicle:
Excursion 5.4L .......... Spring Code .......... B .......... Spring Capacity .......... 4100lb
Excursion 6.8L .......... Spring Code .......... C .......... Spring Capacity .......... 4300lb
Excursion PSD .......... Spring Code .......... D ........... Spring Capacity .......... 4700lb

F250/350 .................... S .......... 4000lb
.................................. T .......... 4400lb
.................................. U .......... 4800lb
Camper Package .......... V .......... 5200lb
only on F450? ............. W ......... 5600lb
Snow Plow package ...... X .......... 6000lb

See the difference in the front springs?
Can't find the rear spring chart right now, but the back has G codes on it. Very soft, 'wallowing' springs. If you just do the front, you will still have the rear steer effect and softer rear springs than the front. I couldn't believe how much better my truck performs. So much so, my friend drove mine yesterday and ordered V/Bs yesterday afternoon. Yes, it makes that much difference. The other site, FTE has hundreds of threads about this as well.
 

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I found it thanks for your help. so its' the four leaf in the rear? Thanks JJ
 

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Discussion Starter #10
Yes. These are the springs the day after I got them.
 

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That helps thanks

Sent from my MB855 using AutoGuide.Com Free App
 

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Guys hold on!! The springs I received from SDTruck Springs were not the ones I thought I was ordering. They did not put the letters 'HD' behind the part numbers. That is what we need for a true 'Dually' setup. Still working on the details of trying to get the correct ones! The rear they sent have a spring capacity of 3000 per spring and the stock X springs are not much softer. The fronts are V code rated springs, not the X that they claim they are! The Ford X spring is 3000 per for the front, The ones they are pushing say they are the Ford X code replacement but theirs is only rated at 2630 pounds per spring which comes out to the V codes. Still trying to figure all this out. Sorry for the mix up as a couple of us knew something was wrong, just couldn't figure it out until now.
 

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Discussion Starter #13
Here we go. According to SD Truck Springs and General Spring both show only a 2630lb capacity spring for the F250/F350. The code is 43-818. The Ford X code, according to Stewart is 3000 lb. However, they do have an alternate spring available that was supposedly 'not a factory option' but has a 3950lb capacity spring for the front. Ok, Brent, That would be too stiff!!. As far as the rear, kind of the same story. Only one spring is shown for F250/F350 which is a 43-1263 that has a capacity of 3000 capacity per. According to General and SD, the spring that came on the rear has a 2275 lb capacity! Dang, no wonder they were all over the road! That being said, when talking with them, they feel that something is amiss with the rear springs I was sent. Either I got a set of 1261 springs(same dimensions other than arc; 1 1/2" lower) or there is a problem in the steel temperment of that set. He said it happens very infrequently, but it does happen. They both believe that even with the stock X block, my X should still sit level.
So I will let them send me another set to see if, in fact, I did get the correct ones. If they still do not lift the X to sit correctly, I will mod the ones I have. Then it will sit the way I want it to. Funny thing is that both companies say that they don't show the other springs that Ford says they have. And they are all supposed to be able to get the same things?? I just wanted every one to know that the aftermarket ones apparently aren't the same rates you can get from Ford.
Anyway, other than sitting a tads bit low in the rear end, I love the truck. This is how it should have come from the factory to begin with. If they had come this way, they probably would've sold more of them.
 

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interesting, I just finished my spring upgrade with springs I ordered from sd for a 2000 f250 "v" code 43-818 and "b" code 43-1261, from this article...

Excursion Leaf Spring Swap with F250 Springs | SD Truck Springs

preliminary measurements in my driveway indicate nearly perfect level, approximately 40 inches to the top of each fender well. seemed like the best thing to do since the ex is based on the f250.

SM
 

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Discussion Starter #15
I am glad that it worked for you, and according to SD it should work well for me too, when we figure out the problem with my rear springs. Please don't get me wrong, I love the way the truck rides and drives. They think I got a mislabeled pair of 1261s for the rear, which are the same per capacity spring, but only with a 1 1/2" lower arch than the 1263s. I love the stance all except when it has a full tank of fuel, which it sets 1" lower in the rear and to me, it is very noticeable. They stated that should not happen. The funny thing is, when it is at a half tank of fuel or less, the truck sits level. That is what keyed the spring tech in at SD today. They will send me out another in a couple of weeks when I am able to do the swap. And then I will go from there. I learned a lot through this. I honestly thought that the factory and aftermarket would have the same spring, but obviously they don't. You can take your springs and turn them upside down and take a measurement of the arch to make sure you have the correct springs. The tech stated that when I take mine out and place them beside the one I have in there now, there will be difference in the arch. The 1263HD would be way too stiff as well as the 818HDs for the Excursion. Everybody I've talked to two days have agreed. So until then, I am going to enjoy driving my X. I've also been advised by a friend on another forum, that I could mod the rears like people do the Bs and get the truck sitting higher, or put in the 4" block. Either way, I will be happy with the springs once the truck sits level.
 

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Discussion Starter #16
Sticker Monster, I love the front look of your X!!
 

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NO one but Ford sells Ford springs that should be used in this mod..aftermarket springs are NOT the same and results will not be the same as a correctly done V and modded B code swap. same for X codes..we have been doing these since '04 and have helped thousands get their Excursions to handle like the should have.
 

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NO one but Ford sells Ford springs that should be used in this mod..aftermarket springs are NOT the same and results will not be the same as a correctly done V and modded B code swap. same for X codes..we have been doing these since '04 and have helped thousands get their Excursions to handle like the should have.
so what you are saying is that the Chinese made v code fronts and the Mexican made b code rears I bought from sd truck springs are not up to the claimed specifications? and I should have gone straight to ford for my replacement springs? I just called horizon truck center and priced out the spring package for a 2000 f250 at $1000. I got my springs from sd at a little over $600. then spent the saved $300+ on brake and other suspension parts. I guess only time will tell how well they hold up.

SM
 

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Think ya answered for me..

I don't want crap springs under my truck....got enough crap in life thats made in China. I've have had Friends try to get them to make steel parts correctly.....big fail as they never pass the metallurgy tests consistently.
 
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