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Old 02-24-2013, 11:43 PM   #3
SS Tim
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Join Date: Aug 2010
Location: Edwards, CA
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Re: Rear air shock psi. with leaf springs 71 C20

He said air shocks not bags. Air shocks were a factory option on the later C10s. Plus there were aftermarket applications for most vehicles. I'd start with 25 psig and see if they even hold air. The bladders are probably shot.
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