V/Modified B codes, step-by-step
Senior User
Joined: Mar 2010
Posts: 305
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I am running this kind of lift and the ride is great. Compared to stock, the ride is slightly firmer in front and about the same in back. It also does a great job towing heavy. In front I have V codes, a 4.5" ICON spring hanger kit and dual bilstein's with Caryt's valving. In the rear mod B codes and a 6" block. I ended up adding OUO traction bars to eliminate the slight axle wrap - my diesel is tuned with extra power - stock may not have axle wrap. I am very pleased with the results.
Junior User
Joined: Nov 2011
Posts: 97
Likes: 0
From: Kuwait currently
I am running this kind of lift and the ride is great. Compared to stock, the ride is slightly firmer in front and about the same in back. It also does a great job towing heavy. In front I have V codes, a 4.5" ICON spring hanger kit and dual bilstein's with Caryt's valving. In the rear mod B codes and a 6" block. I ended up adding OUO traction bars to eliminate the slight axle wrap - my diesel is tuned with extra power - stock may not have axle wrap. I am very pleased with the results.
Exactly what I was hoping to hear.... What size tires are you able to clear??
Senior User
Joined: Mar 2010
Posts: 305
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I am running 35's with no rubbing. I think 37's would fit with minor trimming of the valance and pulling back the wheel liner.
Junior User
Joined: Nov 2011
Posts: 97
Likes: 0
From: Kuwait currently
Awesome I am sold.... Do you have any pics of your truck?
New User
Joined: Sep 2011
Posts: 15
Likes: 0
From: Southern Maryland
Not sure if this should be a new thread or not, so I will start here. What is the point of modifying the B codes? Does it soften the F-250-ish ride a bit? Also, if my current springs are shot (riding on the bump stops with less than a qtr tank of gas), does it make sense to use those bottom two leafs? A sad note on my attention to detail... I thought I had more clearance from the stops. But when I compared the two sides, realized that the drivers side stop was missing the top segment of rubber! WTH!!! Thanks for the help. This forum rocks and has been abundantly helpful! Looking to do the full V/Mod B this week if I can get the parts! Big trip with trailer this weekend to New England. Procrastination sucks!
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Cargo Master
Joined: Jun 2008
Posts: 2,923
Likes: 33
From: Sacramento Area
Not sure if this should be a new thread or not, so I will start here. What is the point of modifying the B codes? Does it soften the F-250-ish ride a bit? Also, if my current springs are shot (riding on the bump stops with less than a qtr tank of gas), does it make sense to use those bottom two leafs? A sad note on my attention to detail... I thought I had more clearance from the stops. But when I compared the two sides, realized that the drivers side stop was missing the top segment of rubber! WTH!!! Thanks for the help. This forum rocks and has been abundantly helpful! Looking to do the full V/Mod B this week if I can get the parts! Big trip with trailer this weekend to New England. Procrastination sucks!
New User
Joined: Sep 2011
Posts: 15
Likes: 0
From: Southern Maryland
How is the ride impacted though? Seems it would be easier to just throw a bigger block in there if it is purely stance/posture. I'm going to go with the herd on this and do the modification. Just curious if the difference is in the normal ride comfort/quality, handling control, or a combo of the two. basically, as far as I can figure from the years of posts here, the mod is a happy medium between soccer mom stock excursion and super rough f-250 knock your fillings out. A little stiffer, but not uncomfortable for the family. That about sum it up? 
Thanks again, everybody for continuing to reply to these posts over the years. Definitely helpful to the new owners of these older vehicles!
Thanks again, everybody for continuing to reply to these posts over the years. Definitely helpful to the new owners of these older vehicles!
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Cargo Master
Joined: Jun 2008
Posts: 2,923
Likes: 33
From: Sacramento Area
Yes, it does add some capacity to the rear, but I wouldn't say it makes it more stiff when unloaded...the added leaves really come into play the more weight you put on it. For me a) I did t want to buy the taller blocks and b) I run with a good 250-300lbs in the back all the time, so it made sense.
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Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
So if you think the 250/350 suspension is truly a "knock your fillings out" ride (it's not, by the way...not sure how you came to that opinion), then I'd think twice about doing the mod.
Stewart
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Cargo Master
Joined: Jun 2008
Posts: 2,923
Likes: 33
From: Sacramento Area
Not truly accurate because when it's all said and done, after swapping the springs you will have the exact same suspension as Ford put on the 250/350 4x4 trucks.
So if you think the 250/350 suspension is truly a "knock your fillings out" ride (it's not, by the way...not sure how you came to that opinion), then I'd think twice about doing the mod.
Stewart
So if you think the 250/350 suspension is truly a "knock your fillings out" ride (it's not, by the way...not sure how you came to that opinion), then I'd think twice about doing the mod.
Stewart
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
But Stewart...doesn't the back seats, side, roof, side glass etc. of the Excursion weigh more than the stock F250/350 bed? I would think that additional weight would soften the "stock" 250/350 ride a bit, wouldn't it? That is how I interpreted the ride difference...how when you have a little weight in a truck it softens it a bit vs completely unloaded.
Stewart
New User
Joined: Sep 2011
Posts: 15
Likes: 0
From: Southern Maryland
The Knock your fillings out perception came from a test ride I took in a 350 (single rear wheel). It was incredibly hard. I have been in a few 250's that friends have owned and didn't think it was too bad. Time to get busy. Thanks!!!
TreadLightly
Joined: Oct 2006
Posts: 1,608
Likes: 0
From: SE Missouri
But Stewart...doesn't the back seats, side, roof, side glass etc. of the Excursion weigh more than the stock F250/350 bed? I would think that additional weight would soften the "stock" 250/350 ride a bit, wouldn't it? That is how I interpreted the ride difference...how when you have a little weight in a truck it softens it a bit vs completely unloaded.
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Cargo Master
Joined: Jun 2008
Posts: 2,923
Likes: 33
From: Sacramento Area
