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Old 02-07-2019, 05:41 PM   #21
Bigdav160
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Join Date: Apr 2011
Location: Klein Texas
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Re: Correct Gas Cap? Too much pressure!

I don't think you can buy a truly vented cap anymore. EPA mandated that they must hold some pressure.

I am pretty sure I read that replacement caps designed for vented applications hold 1-3 psi
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