
11-21-2012, 12:28 PM
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Club Cobra Member
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Join Date: Mar 2002
Location: arroyo grande, ca,
ca
Cobra Make, Engine: NAF 427
Posts: 1,774
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Not Ranked
Aluminum air tank at Harbour Frieght
So I'm looking at the 7 gal aluminum air tank on sale at Harbor Frieght.
Wondering how many tires (say 255/70x15 on 7" rims) the tank will fill if the tank is at 125 psi and I want the tires at 25 psi.
Will it fill 4 empty (flat) tires?
Is there a rule of thumb/calculator/chart that can tell me this?
Or do I just do the math based on cylinder volumes and proportion the pressure?
Greg
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