Modded UMI crossmember for T56 swap
Thread Starter
Supreme Member
Joined: Aug 2001
Posts: 1,337
Likes: 26
From: Wesley Chapel, Florida
Car: 1991 Camaro Z28
Engine: Dart SHP 406ci T88 turbo
Transmission: T56
Axle/Gears: QP 35 spline Ford 9" 3.50 gears
Modded UMI crossmember for T56 swap
Well I'm swapping my T5 for a T56 and thought I would share with yall what I did with the old crossmember. It's a UMI Performance crossmember with d/s loop and torque arm mount that I had with the T5. I wasn't thrilled with the T56 crossmember options out there and decided to hack up the UMI piece to fit the T56 and retain the d/s loop and torque arm mount. The first pic is what the xmember looked like originally.



It kinda resembles a scorpion. I think I will call it my Scorpion T56 crossmember
The tabs you see will be bolting on to one of the bolts on the Alston subframe connectors to help support the rear of the crossmember.





It kinda resembles a scorpion. I think I will call it my Scorpion T56 crossmember
The tabs you see will be bolting on to one of the bolts on the Alston subframe connectors to help support the rear of the crossmember.

Last edited by pwdbychevy; Jun 30, 2012 at 09:53 PM.
Thread Starter
Supreme Member
Joined: Aug 2001
Posts: 1,337
Likes: 26
From: Wesley Chapel, Florida
Car: 1991 Camaro Z28
Engine: Dart SHP 406ci T88 turbo
Transmission: T56
Axle/Gears: QP 35 spline Ford 9" 3.50 gears
Re: Modded UMI crossmember for T56 swap
Here is the crossmember installed.








Joined: Aug 2006
Posts: 12,812
Likes: 110
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Modded UMI crossmember for T56 swap
The support bolts to your sfc's are a very good idea, should solve the issues people have with the typical t56 crossmembers
Thread Starter
Supreme Member
Joined: Aug 2001
Posts: 1,337
Likes: 26
From: Wesley Chapel, Florida
Car: 1991 Camaro Z28
Engine: Dart SHP 406ci T88 turbo
Transmission: T56
Axle/Gears: QP 35 spline Ford 9" 3.50 gears
Re: Modded UMI crossmember for T56 swap
. Even if you don't have SFC's you can still do this mod with the support bolts. Just drill a hole and run a bolt through the subframe and weld on those tabs. What problems were other cross members having? Re: Modded UMI crossmember for T56 swap
Bump TTT
I have UMI everything and would hate to use another brand TQ arm + Xmember because they don't have a version for a 1998-2002 T56. If I buy a UMI T5 TQ arm would you be willing to do this again?
Why has UMI not responded to this post
I have UMI everything and would hate to use another brand TQ arm + Xmember because they don't have a version for a 1998-2002 T56. If I buy a UMI T5 TQ arm would you be willing to do this again?
Why has UMI not responded to this post
Junior Member
Joined: Jun 2012
Posts: 17
Likes: 0
From: Appleton Wisconsin
Car: Z28 Camaro
Engine: 383
Transmission: TCI Th350
Re: Modded UMI crossmember for T56 swap
Looks good! Ill save this if I ever go a t56 rout, as I also am using the UMI crossmember and arm.
Supreme Member
iTrader: (2)
Joined: May 2002
Posts: 4,449
Likes: 8
From: Everett, WA
Car: 87' IROC
Engine: L98
Transmission: T56
Re: Modded UMI crossmember for T56 swap
Very cool idea. I will need to take a look at this as well. I wonder how a big rivnut (like 1/2") into the frame rail would do in that situation. I think it would serve the purpose.
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Thread Starter
Supreme Member
Joined: Aug 2001
Posts: 1,337
Likes: 26
From: Wesley Chapel, Florida
Car: 1991 Camaro Z28
Engine: Dart SHP 406ci T88 turbo
Transmission: T56
Axle/Gears: QP 35 spline Ford 9" 3.50 gears
Re: Modded UMI crossmember for T56 swap
Yeah I can probably do it again.
Supreme Member
iTrader: (2)
Joined: May 2002
Posts: 4,449
Likes: 8
From: Everett, WA
Car: 87' IROC
Engine: L98
Transmission: T56
Re: Modded UMI crossmember for T56 swap

Wouldn't it be a lot cheaper and easier to buy the Spohn setup and slap a UMI sticker on it?
To the OP, I really like what you did. In your case it made total sense since you already had the UMI setup for the T5.
Re: Modded UMI crossmember for T56 swap
Awesome idea man. I'm trying to fab up an adjustable crossmember with mounting plates attatched to the frame and different bolt holes to slide the crossmember back for when I swap to the t56 in the furure. Do you happen to know exactly how much further back you moved it from the stock location? It would help me out a lot with my dimensions.
Thread Starter
Supreme Member
Joined: Aug 2001
Posts: 1,337
Likes: 26
From: Wesley Chapel, Florida
Car: 1991 Camaro Z28
Engine: Dart SHP 406ci T88 turbo
Transmission: T56
Axle/Gears: QP 35 spline Ford 9" 3.50 gears
Re: Modded UMI crossmember for T56 swap
Awesome idea man. I'm trying to fab up an adjustable crossmember with mounting plates attatched to the frame and different bolt holes to slide the crossmember back for when I swap to the t56 in the furure. Do you happen to know exactly how much further back you moved it from the stock location? It would help me out a lot with my dimensions.
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