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Old 07-25-2010, 12:17 AM   #1
trucks72
trucks72
 
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Join Date: Jul 2002
Location: Crossville
Posts: 315
How does a gas tank vent?

Not the 71-72 gas tank. The 67-70 tank. If you take a gas cap, turn it upside down so you are looking at the bottom of it. Blow on the center. It will not blow out. Now suck on it and air will come in. So when pressure builds in the tank where does it go?
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