Suspension and Chassis Questions about your suspension? Need chassis advice?

cracked K member

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Old Jun 15, 2008 | 02:22 PM
  #1  
geoffz28's Avatar
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From: BC
Car: 88 IROC-Z
Engine: 5.7 TPI
Transmission: T56
Axle/Gears: Moser 12bolt 4.10s
cracked K member

I was taking off the A-Arms on my car (85' z28) yesterday to do the a-arm bushings , engine mounts and put in lowering springs and i noticed the rear bracket on the drivers side where the control arm bolts in, there is a decent sized crack on one side of it that goes most of the way around. Is that going to be a bad idea to try and weld it back together or should I just get one of those tubular K-members? If I get a new K-member i was probably leaning towards BMR unless anyone can tell me why not to get one. Thanks

Geoff
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Old Jun 15, 2008 | 02:30 PM
  #2  
Darkshot's Avatar
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From: Sacramento
Car: 91 RS
Engine: 350 TBI
Transmission: WC T5
Axle/Gears: 3.42 Posi
Re: cracked K member

How about a picture?
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Old Jun 15, 2008 | 03:27 PM
  #3  
TheScaryOne's Avatar
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From: Tucson, Arizona
Car: 1987 IROC-Z Camaro
Engine: L98 5.7L TPI
Transmission: 700-R4
Axle/Gears: 3.27 BW
Re: cracked K member

Get another factory K from a yard. Much cheaper, and then you don't have to deal with the migraine that is putting in a tubular K. Plus you can clean it up all nice before you install it.
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Old Jun 15, 2008 | 04:15 PM
  #4  
geoffz28's Avatar
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20 Year Member
 
Joined: Mar 2005
Posts: 28
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From: BC
Car: 88 IROC-Z
Engine: 5.7 TPI
Transmission: T56
Axle/Gears: Moser 12bolt 4.10s
Re: cracked K member

I'll see if i can get a picture of it tonight.

TheScaryOne, what is the difficutly of installing a tubular one? Also wreckers around here seem to be really expensive.
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Old Jun 15, 2008 | 04:49 PM
  #5  
TheScaryOne's Avatar
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Joined: Aug 2006
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From: Tucson, Arizona
Car: 1987 IROC-Z Camaro
Engine: L98 5.7L TPI
Transmission: 700-R4
Axle/Gears: 3.27 BW
Re: cracked K member

Do a search. Some of the tubular K's are nightmares to install. The Spohn one also requires his A-Arms, you can't use factory. I think a few of the companies are like that. But some people can't get the engine in, even when jumping on top of it, the motor mounts might need to be shimmed at awkward angles, there's a whole bunch of horror stories on this forum.
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Old Jun 15, 2008 | 05:57 PM
  #6  
geoffz28's Avatar
Thread Starter
Junior Member
20 Year Member
 
Joined: Mar 2005
Posts: 28
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From: BC
Car: 88 IROC-Z
Engine: 5.7 TPI
Transmission: T56
Axle/Gears: Moser 12bolt 4.10s
Re: cracked K member

I tried a search, didnt find anything. Anyway i was looking at the Spohn web site and it says their k members will accept the factory A-Arms...
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