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Old 09-05-2007, 05:29 PM
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David Kirkham David Kirkham is offline
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Original Shelby Owner


 
Join Date: Mar 2001
Location: Provo, Ut
Cobra Make, Engine: Kirkham, 427
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I don't have a macro lens on my camera and I need one!

Sorry for the blur, but the car is going together and I take the photos as I can while trying to run the business!

This is another weak link in the original 427 Street Cobra. If you look closely (and I know that is hard to do in the lousy picture) you can see the threads at the end of this Rose joint (the English rod end supplier) were relieved. Well, that was nice. BUT, they relived them with a SHARP 90 degree cutter and that was dumb.

I am sure if we were to Magnaflux this part we would find a nice crack right at the root of the threads. This rod end is only 5/8 in diameter. The original 427 Comp cars had the same 5/8 rod end--until they broke. So, all of the original 427 Comp and S/C cars were upgraded to a 3/4 rod end. That should tell you something! We change ALL 427 Street car rear upper control arms to the 3/4 rod end. A broken rod end will definitely break the bank on one of these cars! I wouldn't run a 5/8 rod end on the rear upper control arm unless you like gambling on double autopsies--one performed by me on your car and one performed by someone you probably don't know--on YOU!

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David Kirkham, President Kirkham Motorsports
Manufacturer Aluminum Body Kit Cars and supplier to Shelby* for their CSX4000, CSX7000, and CSX8000 289 and 427 Cobra
*Kirkham Motorsports is not affiliated with Ford or Carroll Shelby or any of their trademarks.
"Fear is the thief of dreams."

Last edited by David Kirkham; 09-05-2007 at 05:46 PM..
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