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The Terminator
How-To
How to Properly Delete PCV w/ Remote Breather
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<blockquote data-quote="desert_gypsy" data-source="post: 11856798" data-attributes="member: 81867"><p>The best way to keep all that crap from getting back into your engine, catch-canned or not, is to just run both pcv's under the car and vent them to the atmosphere. It's cheap and effective. Make sure you keep the lines flowing downhill in case some condensation builds up in there and then freezes. Makes a nasty mess once you start the car.</p><p></p><p>The truth is, an engine is going to eat as much as it's going to eat, air-wise. This applies to both n/a and FI configurations. Reintroducing gases from the PCV system post-MAF and pre-TB will just displace clean air that would've otherwise filled the cylinders. </p><p></p><p>The vapor from the PCV system, especially at high rpm's and when blowby is increased (i.e. super/turbocharging/nitrous. anything that raises cylinder pressures considerably) contains lots of suspended oil droplets which, if reintroduced into the intake stream, combines with the fresh intake charge and fuel and increases its volatility. Reduced octane rating? To hell with that, I'll take all I can get. </p><p></p><p>Another thought: The convergence of the PCV vapors and the high-speed intake stream can't be conducive to a smooth-ish flowing intake stream. Not sure how much difference this makes, though, as the air has already been metered. No doubt there are a couple hp to be gained by completely eliminating the pcv system altogether.</p></blockquote><p></p>
[QUOTE="desert_gypsy, post: 11856798, member: 81867"] The best way to keep all that crap from getting back into your engine, catch-canned or not, is to just run both pcv's under the car and vent them to the atmosphere. It's cheap and effective. Make sure you keep the lines flowing downhill in case some condensation builds up in there and then freezes. Makes a nasty mess once you start the car. The truth is, an engine is going to eat as much as it's going to eat, air-wise. This applies to both n/a and FI configurations. Reintroducing gases from the PCV system post-MAF and pre-TB will just displace clean air that would've otherwise filled the cylinders. The vapor from the PCV system, especially at high rpm's and when blowby is increased (i.e. super/turbocharging/nitrous. anything that raises cylinder pressures considerably) contains lots of suspended oil droplets which, if reintroduced into the intake stream, combines with the fresh intake charge and fuel and increases its volatility. Reduced octane rating? To hell with that, I'll take all I can get. Another thought: The convergence of the PCV vapors and the high-speed intake stream can't be conducive to a smooth-ish flowing intake stream. Not sure how much difference this makes, though, as the air has already been metered. No doubt there are a couple hp to be gained by completely eliminating the pcv system altogether. [/QUOTE]
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How to Properly Delete PCV w/ Remote Breather
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