2019+ X31/Z71 Factory rear lift block/shim thickness?

[jbr1888]

Does anyone know the thickness of the shim that comes on the 2019 X31 and Z71 trucks where the prior generation had a an actual lift block in the rear? You can see the shim these trucks use in this video @14:53: 

 

[topgear1224]

None

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[topgear1224]

Unless you have the composite leaf. I believe those use a spacer.

2020 serria X31

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[topgear1224]

For some reason can't edit my previous post. Missed the video.

That truck has the composite leaf in the rear.

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[jbr1888]

On 7/10/2020 at 3:34 PM, topgear1224 said:

For some reason can't edit my previous post. Missed the video.

That truck has the composite leaf in the rear.

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My 2019 X31CCSB SLT 6.2 definitely has a shim. Looks to be about 1/4 inch on the fat end a 1/16 on the small end. Maybe the heavier 6.2 requires that tiny rear shim to maintain the correct height? If every other suspension component is the same as the 5.3, and I think it is, it would sit some measure lower. 

[topgear1224]

Interesting, ya my Duramax doesn't. I have the longer "Standard Bed" on my crewcab.

Is that CCSB too, Or is it CCLB?[emoji848]

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[jbr1888]

1 hour ago, topgear1224 said:

Interesting, ya my Duramax doesn't. I have the longer "Standard Bed" on my crewcab.

Is that CCSB too, Or is it CCLB?

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I think you would have the CCSTDB

 

[topgear1224]

[emoji23] never heard that before!

CCLB to me means 8ft bed. CCSB means the shortest bed. I'll probably just type out standard bed.

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[jbr1888]

Just now, topgear1224 said:

never heard that before!

CCLB to me means 8ft bed. CCSB means the shortest bed. I'll probably just type out standard bed.

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LoL.

[jbr1888]

Has anyone added a lift block without removing this shim?

[AJ Sullivan]

On 7/13/2020 at 7:58 AM, jbr1888 said:

My 2019 X31CCSB SLT 6.2 definitely has a shim. Looks to be about 1/4 inch on the fat end a 1/16 on the small end. Maybe the heavier 6.2 requires that tiny rear shim to maintain the correct height? If every other suspension component is the same as the 5.3, and I think it is, it would sit some measure lower. 

My 5.3 had the same little "wedge shim".  

[AJ Sullivan]

On 7/23/2020 at 9:28 AM, jbr1888 said:

Has anyone added a lift block without removing this shim?

I pulled mine off.  My thinking is that I see 2" blocks that are shorter on the front side to keep a correct drive shaft angle, and my 1.5" spacers were equal, so I removed that shim and that gave it a kind of front angle that it otherwise would not have.