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#1035872 - 03/04/16 04:48 PM umi rear shock tower brace  
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s10mike Offline
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s10mike  Offline
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herminie, pa
I've been thinking about buying the umi rear shock tower brace. How well does it stiffen the chassis? Does this brace accomplish the same thing as the rear seat brace, but in a different way?


86 monte carlo ss
6.0 ls/4l80e dana 60
#1036004 - 03/07/16 02:30 AM Re: umi rear shock tower brace [Re: s10mike]  
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kubihibi Offline
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Kingsland, GA
Rear seat brace addresses the body not being very strong, the frame brace addresses the frame being sloppy. You could do one, without the other, but both will give the best results.



Oh SNAP! I'm a Vet! Stuff for Sale
#1036035 - 03/07/16 09:14 PM Re: umi rear shock tower brace [Re: s10mike]  
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SickSpeedMonte Offline
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SickSpeedMonte  Offline
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MD
The rear seat brace stiffens the body in torsion. The shock tower brace increases the lateral stiffness of the shock and spring perches.

#1036038 - 03/07/16 10:15 PM Re: umi rear shock tower brace [Re: s10mike]  
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spacemanspif Offline
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Sewell, NJ
It was my understanding that the shock brace becomes necessary when adding coilovers to the rear in the stock shock location becuase off the added stress of the area now holding the weight of the car instead of just being used by the shocks.


-Mike

F-body bucket seats, camaro console, carb'd 5.3/4L80E swap

Fastest time to date: 13.390 @ 102.42
Best r/t: 0.007 I got lucky smile

Killed a few cones too

#1036040 - 03/07/16 10:40 PM Re: umi rear shock tower brace [Re: s10mike]  
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SSLance Offline
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SSLance  Offline
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Peoria, AZ
Eh, I'm not sure about necessary...I've run coil overs on the stock frame mounts for over 2 years now with no issues.


Lance
1985 Monte Carlo SS Street Car
#1036042 - 03/07/16 11:12 PM Re: umi rear shock tower brace [Re: SSLance]  
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1 Slow SS Offline
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1 Slow SS  Offline
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Small town KY
Originally Posted By: SSLance
Eh, I'm not sure about necessary...I've run coil overs on the stock frame mounts for over 2 years now with no issues.




That the frame flex might work with those soft dampening shocks and help you out. laugh

Stiff frame and stiff shocks ='s sliding off the corner. slowmo lmao


Enjoy life, family first!
#1036050 - 03/08/16 01:04 AM Re: umi rear shock tower brace [Re: s10mike]  
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ramey36 Offline
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Philipsburg, PA
The UMI rear brace is essentially in the same category as subframe connectors and strut tower braces. The car works fine without them but it's a nice upgrade for those of us who want to optimize their cars.

We had an A-body customer rip the shock tower out of his Chevelle when running high rebound rear shocks. The rear brace allowed him to rebuild and reinforce an already weak area.

Ultimately it's up to the consumer to decide if they want the product.

ramey

#1036184 - 03/10/16 07:36 PM Re: umi rear shock tower brace [Re: s10mike]  
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Dom87SS Offline
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Dom87SS  Offline
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Lake Villa, IL
i just put it in my car about a month ago, looks good up in there



1987 Monte Carlo SS - 2006 GXP

http://drd-photos.smugmug.com/
#1036398 - 03/16/16 12:14 PM Re: umi rear shock tower brace [Re: s10mike]  
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robert87ss Offline
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1987 Monte Carlo SS Pontiac powered project
too much time not enough money
#1036459 - 03/17/16 08:18 PM Re: umi rear shock tower brace [Re: s10mike]  
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pacheco Offline
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Daddy like. Only $129.00

Last edited by pacheco; 03/17/16 09:44 PM.

Bust your asx during the week..bust your knuckles on the weekend
350 with vortec heads,Edelbrock intake,headers with 2.5"exhaust,SS sway bars,SS rims,spoiler,3:73 wit a POWERTRAX,tubular rear control arms,JEG'S trany,GBODY front brace,umi rear chassis brace.
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#1036549 - 03/20/16 04:54 PM Re: umi rear shock tower brace [Re: s10mike]  
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s10mike Offline
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herminie, pa
Op here, I'm mainly concerned about body flex. I really don't want my rear quarters to crack where they meet the roof. So it doesn't sound like the umi brace is the upgrade I need. Looks like I'll be adding a trunk brace.


86 monte carlo ss
6.0 ls/4l80e dana 60
#1036591 - 03/21/16 01:34 PM Re: umi rear shock tower brace [Re: kubihibi]  
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84 ZZ4 Offline
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84 ZZ4  Offline
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San Antonio, TX
Originally Posted By: kubihibi
Rear seat brace addresses the body not being very strong, the frame brace addresses the frame being sloppy. You could do one, without the other, but both will give the best results.

^^ x2
Specially if you have t-tops.
I made some rear seat braces, the entire rear structure is rock solid now.
you can also build a rear frame crossmember with this kit:
(On bottom of page)
http://www.gnsperformance.com/#!bodyframe-g-body/c15ae

#1036596 - 03/21/16 04:31 PM Re: umi rear shock tower brace [Re: 84 ZZ4]  
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s10mike Offline
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s10mike  Offline
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herminie, pa
Originally Posted By: 84 ZZ4
Originally Posted By: kubihibi
Rear seat brace addresses the body not being very strong, the frame brace addresses the frame being sloppy. You could do one, without the other, but both will give the best results.

^^ x2
Specially if you have t-tops.
I made some rear seat braces, the entire rear structure is rock solid now.
you can also build a rear frame crossmember with this kit:
(On bottom of page)
http://www.gnsperformance.com/#!bodyframe-g-body/c15ae

Wow, I really like that gns brace, I'm going to buy it. That should really stiffen up the frame. Does anyone else use it?


86 monte carlo ss
6.0 ls/4l80e dana 60

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