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Old 06-03-2008, 05:20 PM
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Silverback51 Silverback51 is offline
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Join Date: Jun 2007
Location: Covington, wa
Cobra Make, Engine: Superformance # 532, 466 BB, 560HP
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Quote:
Originally Posted by RodKnock View Post
Per the Kirkham website, 4" round, not 3".

http://www.kirkhammotorsports.com/mfg/frame_index.html
You are correct, it is a 4.0 diameter tube.

When I did my calculations I did it for a 4.0 round tube. I just screwed up when I posted the numbers.

I'm going to blame it on the beer.

Thanks for keeping me honest.
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