12-08-2013, 08:54 PM
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CC Member
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Join Date: Sep 2009
Location: Camarillo,
CA
Cobra Make, Engine: SPF #2608, Roush 427SR T-W
Posts: 911
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Not Ranked
My SPF tank is vented to the atmosphere right under the gas cap. There is an overflow tube to direct excess fuel to the ground. I believe most SPFs were initially set up this way. If your tank is a sealed system, it is likely a custom setup. If your system is not intended to be closed system, then your overflow tube is definitely plugged and should be replaced or unplugged.
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