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Old 03-14-2012, 02:05 PM
Ronbo Ronbo is offline
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Join Date: Feb 2008
Location: Jacksonville, FL
Cobra Make, Engine: Kirkham #570 w Shelby FE
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Copper tubing, seems to hold up well for A/C systems running 275psi. Use the silver / phosphorus rod for joints or compression fittings.

Black pipe is real expensive and rusts.

You can get the A/C line in 100ft rolls - fewer joints the better.
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