Transmission Crossmember/UMI K-Member Compatibility
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Joined: Jul 2019
Posts: 43
Likes: 5
From: Central'ish NC
Car: 91 Z28, Black and Grey, T-Top
Engine: 5.3L LS-Swapped
Transmission: 4L60E
Axle/Gears: 3.42
Transmission Crossmember/UMI K-Member Compatibility
Does anyone know which 4L60e Transmission Crossmembers work 100% with the UMI Tubular K-Member? I didn't realize when I purchased my K-Member that UMI didn't make a brace for this specific combo. I've got the engine in and running already and buying a new K-Member is not an option.
Wondering where to go from this point.... I see that Hawks and Spohn both have one that might work - but Spohn specifically says it has to be used with their engine mounts.
Wondering where to go from this point.... I see that Hawks and Spohn both have one that might work - but Spohn specifically says it has to be used with their engine mounts.
Joined: Feb 2001
Posts: 13,764
Likes: 562
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Re: Transmission Crossmember/UMI K-Member Compatibility
Check out the Hooker Blakheart cross member. You can download the instructions from their website which give specific install details for various transmissions. I am using this with my UMI k-member. T56 though.
71223003HKR
71223003HKR - 4L60 adapter.
71223003HKR
71223003HKR - 4L60 adapter.
Thread Starter
Junior Member
iTrader: (1)
Joined: Jul 2019
Posts: 43
Likes: 5
From: Central'ish NC
Car: 91 Z28, Black and Grey, T-Top
Engine: 5.3L LS-Swapped
Transmission: 4L60E
Axle/Gears: 3.42
Re: Transmission Crossmember/UMI K-Member Compatibility
Aaaaannd... its backordered till February. (the 4L60E adapter at least)
Thanks for the info Shifty. I'm about to give up on this damn swap. I've had enough of parts not being available....
Thanks for the info Shifty. I'm about to give up on this damn swap. I've had enough of parts not being available....
Joined: Feb 2001
Posts: 13,764
Likes: 562
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Re: Transmission Crossmember/UMI K-Member Compatibility
Hang in there. Maybe call a few places to see if they have any in inventory. However, i think most stuff is drop shipped directly from them.
Member
Joined: Jul 2003
Posts: 364
Likes: 14
From: Lexington, KY
Re: Transmission Crossmember/UMI K-Member Compatibility
Definitely hang in there. It'll be worth it when you drive it the first time.
I'm running the Hooker crossmember with UMI K-member and T56 trans. It fit without mods but I didn't have much clearance so I reworked it. The tail housing was really close.
Last edited by BrianI; Nov 27, 2020 at 09:52 AM. Reason: add pic
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