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2 Sets Of Subframe Connectors?

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Old Apr 16, 2009 | 10:40 PM
  #1  
FireDemonSiC's Avatar
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From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
2 Sets Of Subframe Connectors?

I just got through reading a post where people said that you can simultaneously install a set of Spohn and Alston subframe connectors.

My question is, would these Alston (https://www.secureway1.com/alston/in...?productID=184) subframe connectors be compatible at the same time with a set of SFC's from UMI and would the added benefit really be worth the pricetag over having just the UMI's?
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Old Apr 17, 2009 | 03:08 AM
  #2  
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From: Melbourne Australia but from South Carolina
Car: 1991 Trans Am convertible
Engine: 305 TPI
Transmission: Auto
Re: 2 Sets Of Subframe Connectors?

On my old 84Z28 I had the older Competition Engineering which is a lot like the UMI brand. The only thing that I changed on the C.Engineering was the metal that runs from the sills to the center member. I changed that to 1/4in steel plate to get the max ground clearance. That would be all you ever need. It worked fantastic.
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Old Apr 27, 2009 | 07:05 PM
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From: Old Bridge, NJ
Car: 1992 Camaro RS
Engine: 383 SuperRam
Transmission: 4L60
Axle/Gears: 3:23 Posi
Re: 2 Sets Of Subframe Connectors?

Originally Posted by FireDemonSiC
I just got through reading a post where people said that you can simultaneously install a set of Spohn and Alston subframe connectors.

My question is, would these Alston (https://www.secureway1.com/alston/in...?productID=184) subframe connectors be compatible at the same time with a set of SFC's from UMI and would the added benefit really be worth the pricetag over having just the UMI's?
I am currently in the process of installing the alstons. I already have a set of UMI sfc installed.
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Old Apr 28, 2009 | 01:18 AM
  #4  
FireDemonSiC's Avatar
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From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: 2 Sets Of Subframe Connectors?

Originally Posted by Fast92RS
I am currently in the process of installing the alstons. I already have a set of UMI sfc installed.

Be sure to let me know how that goes!
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Old Apr 28, 2009 | 02:20 AM
  #5  
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From: Melbourne Australia but from South Carolina
Car: 1991 Trans Am convertible
Engine: 305 TPI
Transmission: Auto
Re: 2 Sets Of Subframe Connectors?

I really dont see the need of the Alistons if you already have the UMI. I had Competition Engineering before on a TTop car and they were great. I was speaking of what I am doing now because now I own a convertible and I feel like I need all the strenght that I can get.
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Old Sep 8, 2009 | 09:43 AM
  #6  
FireDemonSiC's Avatar
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From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: 2 Sets Of Subframe Connectors?

Originally Posted by Fast92RS
I am currently in the process of installing the alstons. I already have a set of UMI sfc installed.
BUMP!!!

Fast92RS, did you ever complete that install? Do you have any pictures to show for it?

I had the UMI's welded in which made a night and day difference. I am interested in getting the Alston's now.
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Old Sep 8, 2009 | 04:33 PM
  #7  
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Re: 2 Sets Of Subframe Connectors?

Most of the aftermarket connectors like our and UMI'S go front to back. The Alstons tie the inner frame rail together. It is ok to use a combination of the two. If your intereste dher are some piccs of our connectors. They are much stronger than the Alstons but when used with them they work very well. We offer two types, one for full length headers and one for stock style exhaust. Give me a call if you have any questions.

http://www.bmrfabrication.com/F3-chassis.htm
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Old Sep 9, 2009 | 06:46 PM
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From: Old Bridge, NJ
Car: 1992 Camaro RS
Engine: 383 SuperRam
Transmission: 4L60
Axle/Gears: 3:23 Posi
Re: 2 Sets Of Subframe Connectors?

No I didnt get a chance yet because I moved. Im hoping to get it done this winter since now I have a garage to work in.
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Old Sep 9, 2009 | 07:07 PM
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From: Montreal, Canada
Car: 1986 Chevrolet Camaro IROC-Z28
Engine: TPI 310ci (LB9)
Transmission: Custom Rebuilt 700R4 - 2600 Stall
Axle/Gears: 10 bolt, 3.73 Eaton Limited-Slip
Re: 2 Sets Of Subframe Connectors?

Here are the pics where I installed SPOHN (outer frame) frame connectors and MAC (inner frame) frame connectors ...

https://www.thirdgen.org/forums/susp...ml#post4277794

Made a good difference when going up on sidewalks and drives a bit more stiff... Obviously not as much of a difference as when i first put on the MAC frame connectors, but still significant...

Later,
-Marc
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