Ford Mustang Forum - View Single Post - Crankcase breather(s) on supercharged car?
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post #2 of (permalink) Old 05-13-2015
Modular Racing
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Supercharged engines naturally have more blow by than a n/a application, it is usually best to let the PCV system function like stock but run a real breather tank on the other side. We do not suggest mounting the little filters on the valve covers, they will eventually become saturated and leak, which is smelly and a fire hazard if it drips onto the header. We offer a great plug and play kit for this very reason, it even includes a custom fitting that locks right into the factory valve covers for a simple and leak free install. They are available in silver or stealth black. Products 2011-2014 Mustang Parts MMR PN#455590 MMR Valve cover breather kit for 2011-2015 Mustang GT / F150 / BOSS and 2007-2014 GT500

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