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PerformanceTrucks.net Forums (https://www.performancetrucks.net/forums/)
-   GM Drivetrain & Suspension (https://www.performancetrucks.net/forums/gm-drivetrain-suspension-22/)
-   -   4L80E Swap Crossmember Mod (pics) (https://www.performancetrucks.net/forums/gm-drivetrain-suspension-22/4l80e-swap-crossmember-mod-pics-488060/)

Bumpers 09-02-2011 09:03 AM
Originally Posted by lownslo (Post 4764672)
yea the 4wd has a different x member too right? It looks like your talshaft bushing is different mount too. Post up some pics when ya get it all in! Are the wires the same for you as a 2wd? ( I had to add a vss sensor and change two pins in the harness that goes into the trans.)
yea instead of having a tailshaft housing like yours the 4wd has a adapter housing that the transfercase bolts up too

DrX 09-02-2011 10:15 AM
2 Attachment(s)
Did mine pretty well the same but with square tubing.

Attachment 144318

Attachment 144319

sureshot 09-02-2011 10:33 AM
Originally Posted by lownslo (Post 4764672)
yea the 4wd has a different x member too right? It looks like your talshaft bushing is different mount too. Post up some pics when ya get it all in! Are the wires the same for you as a 2wd? ( I had to add a vss sensor and change two pins in the harness that goes into the trans.)
Yeah, I have to add another vss as well. There a few different ways to do the wiring. I'll be swapping all of my wires at the pcm.

Originally Posted by Bumpers (Post 4764686)
yea instead of having a tailshaft housing like yours the 4wd has a adapter housing that the transfercase bolts up too
Yup!
Originally Posted by DrX (Post 4764708)
I like the way you did yours as well. It just shows there is more than one way to do things!

Atomic 09-02-2011 10:38 AM
1 Attachment(s)
I used angle iron with gussets :lol:

Attachment 144320

lownslo 09-02-2011 10:45 AM
I was gonna do something like that, here is the first attempt at getting my angles right.... they guy that helped me weld has mad skillz
http://lh5.ggpht.com/-_3DNH5UbSrE/SI...2/DSC02613.JPG

sureshot 09-02-2011 08:23 PM
3 Attachment(s)
Just a few pics after painting:

Attachment 144337

Attachment 144338

Attachment 144339

black04 09-02-2011 09:07 PM
4 Attachment(s)
I did mine like that too. I used 3/16" since its what i had laying around. Only took a couple minutes to make.


Attachment 144330

Attachment 144331

Attachment 144332

Attachment 144333

TIM Z 09-02-2011 09:24 PM
Looks good guys!

Mine is identicle to lownslo .

4L80e FTW

AKlowriderZ71 09-02-2011 09:40 PM
For you guys that added a mounting tab to the back of your crossmember, How much clearance to the pan do you have? Can you pull the pan without removing the crossmember? It's not much extra work to support the t-case & remove the crossmember, but I just want to know. Pics of the pan/crossmember would be cool if anyone has them.

Thanks in advance!

black04 09-02-2011 09:48 PM
I don't think i can pull my pan off without removing the crossmember.


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