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[oletrucks] non-vented gas cap/tank

To: "oletrucks@autox.team.net" <oletrucks@autox.team.net>
Subject: [oletrucks] non-vented gas cap/tank
From: Allen Coblentz <wac8019@erinet.com>
Date: Thu, 24 Feb 2000 20:07:34 -0500
I asked this question a couple days ago during the discussion on vapor
lock.....no answers so far.  It was said that a non-vented gas cap could
cause a vacuum capable of crushing the gas tank.  My original cap is
non-vented........should this be replaced with a vented style? ( I
haven't experienced any problems driving my truck as a daily driver.)
What year did Chevy go to the vented fuel system......and why?
Thanks again,   Allen

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