Thread: PCV Valve
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Old 10-16-2017, 09:31 AM   #5
Ole Don
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Join Date: May 2010
Location: St. Michael, Minnesota
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Default Re: PVC Valve

The late model engine is the easy one to modify. Use a new filtered oil fill cap. Remove the intake manifold, and drill in to the bottom until you are in to both runners equally. Drill to 3/8 pipe size, then tap for same. Remove the pipe from the crank case, and shorten it by two inches, then make two angled cuts 2/3 through at an angle leading down. Weld, braze or silver solder light sheet metal in these cuts to act as baffles. Reinstall the pipe, with a 302 Mustang PCV and grommet, the grommet fits just right. Use a 3/8 90 degree brass fitting with a 3/8 hose barb in the intake manifold, then at assembly, connect the two with good quality hose. Reinstall the outside pipe to make it look stock, and you will have a PCV where nobody can see it.
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