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New UMI adj. torque arm installed

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Old 04-10-2006, 02:29 PM
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Default New UMI adj. torque arm installed

It is sweet! It plants the rear tires HARD and doesn't let the front end nose dive on breaking. Set the pinion angle at -.5 degrees and have not exerienced any terrible vibrations as many people said they had.
Old 04-11-2006, 12:09 PM
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Did you get the trans mount one or the chassis mount one?

I'm looking at the UMI chassis mount one myself. Looks like a nice piece.
Old 04-11-2006, 12:23 PM
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I got the chassis mount one, and I love it, hooks like a bitch on mt radials !
Old 04-11-2006, 12:56 PM
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I'm installing one on my wife's B4C tonight. The cross member/chassis mount model. I'll post results soon as I should be taking it out Bracket racing the very next night (Wens).
Old 04-11-2006, 02:02 PM
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Chassis mounted
Old 04-11-2006, 02:52 PM
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I have to order the trans. mount since im running an xpipe, is there going to be a downside to not getting chassis mount.
Old 04-11-2006, 03:36 PM
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Originally Posted by Speed Density
I have to order the trans. mount since im running an xpipe, is there going to be a downside to not getting chassis mount.

Yeah, broken tailshafts.

Picture a pair of scissors. That's what your Torque arm and trans try to do on a hard launch.

Not saying it's definitely going to happen, but it's **** poor design geometry from a drag racing perspective.
Old 04-11-2006, 05:38 PM
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I have the chassis mounted one also. I can also testify that it is a very stout piece. That along with my other susp. mods have definitly helped 100X better traction. I can honestly say the torque arm has contributed most to it.

Ski
Old 04-12-2006, 12:30 PM
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Here's pics from my install last night on my wife's '00 B4C.

Hopefully the rain will hold off and I will test this new mod at SAR tonight!
Attached Thumbnails New UMI adj. torque arm installed-b4c-ta-swap-4-.jpg   New UMI adj. torque arm installed-b4c-ta-swap-6-.jpg   New UMI adj. torque arm installed-b4c-ta-swap-2-cropped.jpg   New UMI adj. torque arm installed-b4c-ta-swap-3-smaller.jpg   New UMI adj. torque arm installed-b4c-ta-swap-5-smaller.jpg  

Old 04-12-2006, 12:43 PM
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Was it hard to to install?Did it come with good directions?Did angle finder come with T/a?
Old 04-12-2006, 03:48 PM
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Originally Posted by ed317
Was it hard to to install?Did it come with good directions?Did angle finder come with T/a?
Straight forward install. Even comes with instructions.

I got this from a board member who bought it and never installed it. It was essentially brand new, but if they come with an angle finder, then he removed it from the package - but I don't think he did that.

I have an angle finder from previous Torque Arm installs.
Old 04-13-2006, 09:37 PM
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Any negative effects to daily driving? Does it hook better? Any issues with exhaust clearance?
Old 04-13-2006, 09:44 PM
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Good straight forward install and no 'angle' finder included.
But here's the clearance on exhaust.


Hawk
Old 04-14-2006, 05:11 PM
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i've got a similar question.
i've got stainless works lt's and a moser 12 bolt. which torque arm will i need to buy.
car has been lowered, and has relocation brackets, panhard bar, shocks, and springs, but no torque arm yet.
do i need the chasis mount or the trans mount?
Old 04-14-2006, 05:24 PM
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-5 sounds like a bit much dont you think?
Old 04-14-2006, 06:47 PM
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Originally Posted by co.6z28
-5 sounds like a bit much dont you think?
He said -.5, which is considerably less.
Old 04-14-2006, 11:47 PM
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Originally Posted by Jimmard
He said -.5, which is considerably less.
good call
Old 04-15-2006, 12:19 AM
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VERY nice looking T/A. That will probably be our next mod. Just put in Hotchkis springs (Sportlines are crappy on a DD), Lower control arms, Panhard Rod, and Strut tower brace.
Old 04-15-2006, 04:32 PM
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Is it possible to run an X pipe witha chassis mount? Without having **** for ground clearance?


Originally Posted by TWS
Yeah, broken tailshafts.

Picture a pair of scissors. That's what your Torque arm and trans try to do on a hard launch.

Not saying it's definitely going to happen, but it's **** poor design geometry from a drag racing perspective.
Old 04-15-2006, 04:50 PM
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Originally Posted by wvaboy
i've got a similar question.
i've got stainless works lt's and a moser 12 bolt. which torque arm will i need to buy.
car has been lowered, and has relocation brackets, panhard bar, shocks, and springs, but no torque arm yet.
do i need the chasis mount or the trans mount?

I have the same headers that you have, and I had a hell of a time fitting the Y pipe, I had to cut a piece out on the passenger side section to get it to fit somewhat. As a result I have great clearance on the passenger side, but I think the whole thing kinda hangs lower than it should. Because of that I got a Spohn Adjustable torque arm made for cars with headers....that's the one with the cross member in a "curved" shape for extra clearance.






Not sure if a straight crossmember would clear in my case. This is of course a Spohn Torque Arm, the UMI piece which is straight seems to have more clearance in straight configuration than the Spohn piece has....too bad UMI I didn't have a TA yet when I bought mine, otherwise I would have gone with theirs.

As for ground clearance....my car is NOT lowered, it is however a 98 and because of that it does sit an inch lower in the back than my buddies 99 Z28. So, since your car is lowered, better have a good look at this picture:



You can see how low the crossmember hangs. I have it all kinds of things with that thing already, and it sure has the battle scars to prove it. If you go with a chassis mounted TA, you need to be VERY careful where you, especially since your car is lowered.

Last thing, I noticed all the other guys that posted pictures of their TA's that they used the factory bolts, which are cutting it very close as far as length goes. The nut doesn't catch every thread since the bolt is too short. I sprung for the longer bolts from Spohn, and I think everyone who doesn't want the tail end of their TA to break should do the same.

Manny



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