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Old 05-23-2011, 09:27 AM   #2
special-K
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Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
Re: 69 C20 Spingle Threads

I'm not sure about the 2wd spindles,but the 4wds use an odd pitch. I could not find a die or thread file made to work...and tries them all. It would take a special GM tool. I took a jewelers file and dressed the problem area enough to make it work. It was like a 15 per inch pitch.
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