V/Modified B codes, step-by-step
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Joined: Jan 2012
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So, I may have missed it in the thread. Did you leave your stock block on the back springs AND do the B-mod?
I just got an email from someone I've been talking with telling me you cannot do the v/b-mod swap without removing that block. "If you don't remove the block it will not sit level"....this is what I was told and I'm just trying to get the info straight......
I've got 6.0l 4x4....if that matters with the weight on the front maybe?
Thanks....
I just got an email from someone I've been talking with telling me you cannot do the v/b-mod swap without removing that block. "If you don't remove the block it will not sit level"....this is what I was told and I'm just trying to get the info straight......
I've got 6.0l 4x4....if that matters with the weight on the front maybe?
Thanks....
Last edited by FELNTPSY; Feb 14, 2012 at 08:25 PM. Reason: updated with motor info....
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Cargo Master
Joined: Jun 2008
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From: Sacramento Area
So, I may have missed it in the thread. Did you leave your stock block on the back springs AND do the B-mod?
I just got an email from someone I've been talking with telling me you cannot do the v/b-mod swap without removing that block. "If you don't remove the block it will not sit level"....this is what I was told and I'm just trying to get the info straight......
I've got 6.0l 4x4....if that matters with the weight on the front maybe?
Thanks....
I just got an email from someone I've been talking with telling me you cannot do the v/b-mod swap without removing that block. "If you don't remove the block it will not sit level"....this is what I was told and I'm just trying to get the info straight......
I've got 6.0l 4x4....if that matters with the weight on the front maybe?
Thanks....
There are a few ways to go when you do the Vs on the front:
1. No spring change on the rear and get the 3 1/2" tapered blocks (maybe that was what your buddy was referring to?) - might give you a slightly higher rear end but the same load capability as stock.
2. B codes in the rear with a stock (I think) block (guys, chime in with the correct size if not stock) - sits level but might still sag a bit when towing, and you get more load capability on the springs (NOT increased axle capability).
3. Modified B - take the bottom two leaves from the stock springs and add them to the B codes and use the stock block (that is what I did and you can see it in the pic) - sits higher when unloaded but level when towing heavy, gives you height AND additional load capability from the springs in addition to the already better B codes (again, just spring, NOT additional axle load).
Other solutions involve combinatins of RAS, air bags and other rear spring codes.
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Joined: May 2004
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From: Central Coast of CA
With NEW V's up front, and NEW B's out back, people reusing the OEM stock blocks have reported an almost level stance, with the rear-end that sits slightly lower than the front. Because of that front high, rear low stance, the 3.5" tapered block (some call it the 4" tapered block) was used to get the rear-end higher than the front, thereby succeeding in achieving the eye-appealing factory-like rake with the rear-end slightly higher.
When Modded B codes are used, you do not have to use the 3.5" tapered blocks, but some early spring swappers still ditched the OEM blocks for the 3.5" blocks. It made the rake more pronounced, but according to their posts, it was still eye-appealing.
In short, you can do the V code/B code swap (not modded B) and still use the stock block, but I wouldn't unless you like that rear-end lower look (I hate it) .
Stewart
When Modded B codes are used, you do not have to use the 3.5" tapered blocks, but some early spring swappers still ditched the OEM blocks for the 3.5" blocks. It made the rake more pronounced, but according to their posts, it was still eye-appealing.
In short, you can do the V code/B code swap (not modded B) and still use the stock block, but I wouldn't unless you like that rear-end lower look (I hate it) .
Stewart
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Stewart
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These are tools. Yaint gotta tell the wife anything except ya bought tools, and that's if you want to.
When it comes to vehicle mods and parts, yes, she's my voice of reason. She keeps my PMS centered and in control. But tools? Phhhhhhhhttttttt.
Stewart
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From: Marysville, Wa
Just did the swap on my 02. With brand new springs I gaing exactly 3 inches all the way around I love the new stance. Have not driven it yet. But the looks alone were worth it. I have 1 Issue now my excursion came with new tires on it and now I NEED bigger ones 
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Cargo Master
Joined: Jun 2008
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From: Sacramento Area
DAYUM!!! You must have been running practically on the bump stops!!