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Cobra Forums
The Terminator
Engine/Tuning
whats the deal...
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<blockquote data-quote="stal94gt" data-source="post: 10417010" data-attributes="member: 34394"><p>venting the pcv does not vent metered air. the reason ford has the pcv and the other breather going into the intake is to meet smog regulations. i am a fan of keeping some vac on the crank case with one side venting atmospheric. this ensure you dont build pressure in the crank case which will rob hp. the pcv valve is nothing but a check valve to prevent pressure going into the crank case. many run both breathers into a vented oil catch can to keep the engine bay clean.</p></blockquote><p></p>
[QUOTE="stal94gt, post: 10417010, member: 34394"] venting the pcv does not vent metered air. the reason ford has the pcv and the other breather going into the intake is to meet smog regulations. i am a fan of keeping some vac on the crank case with one side venting atmospheric. this ensure you dont build pressure in the crank case which will rob hp. the pcv valve is nothing but a check valve to prevent pressure going into the crank case. many run both breathers into a vented oil catch can to keep the engine bay clean. [/QUOTE]
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