Built a trans crossmember
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Joined: Dec 2006
Posts: 5,538
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Built a trans crossmember
Let me know what you guys think, i am no engineer so i just did what i thought would hold up to my abuse, so far it has not wheel hopped today, i raced a couple buddies to see how it would do and feels pretty stout so far, i chopped off the TQ arm mount form the Spohn unit and made it work with this, now i can have my exhaust routed so it doesnt hit the ground every where i go and i wont have to pucker up for every dip i see, LOL.


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Joined: Jul 1999
Posts: 17,274
Likes: 171
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Built a trans crossmember
It never has to look pretty especially under the car. As long as it's functional.
Thread Starter
Supreme Member
iTrader: (2)
Joined: Dec 2006
Posts: 5,538
Likes: 0
From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: Built a trans crossmember
Yea, it is not bad, not pretty either, but good enough i think. Friend let me use his lift THANK GOD!
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Posts: 13,622
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: Built a trans crossmember
I made one similar but just used a flat piece of angle across the whole thing, didn't matter since my deep th400 aluminum pan hangs lower than the trans mount, no way to tuck the exhaust pieces any higher regardless. Also the 1/8" steel was way stouter than the factory one, so I'd say yours would be too, just needs some rustoleum semi-gloss black on there to make it look better IMO
Thread Starter
Supreme Member
iTrader: (2)
Joined: Dec 2006
Posts: 5,538
Likes: 0
From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: Built a trans crossmember
I want to paint it, it is on the to do list, cherry red probably.
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