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ZETEC Performance (2000-2004) The place to chat about any 2.0L Zetec engine performance, tuning and exhaust related upgrades.

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Old 08-17-2014, 05:12 PM   #101
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Quote:
Originally Posted by 1turbofocus View Post
They should do it right and eliminate the other half ( PCV ) and stop sucking hot oily contaminated air into there intake manifold that settles to the bottom and stays there and that also causes carbon build up on the valves which in turn lowers MPG and Performance
Here is a pic of my intake valves with 100k running a short ram with PCV connected to the intake and a small filter on the valve cover....



there was a light coating of oil at the bottom of the intake. Not enough that it was going to make it's way back up into the cylinders though...... Honda's have a really bad setup. The PCV is on the top of the intake manifold and the oil runs straight into the runners.... bad design. Guessing that is why they have the new design that actually has it at the lowest point of the manifold.


I do agree that the running no intake filter was a stretch.....
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Old 08-17-2014, 08:04 PM   #102
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Jeeeees , there you go , keep up the good work ! Im sure every Zetec out there is that clean thanks for sharing

Tom
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Old 08-17-2014, 10:39 PM   #103
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Old 08-17-2014, 11:33 PM   #104
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This was an OLD thread before nboyles had a question...

Whatever your decision about venting to atmosphere, keeping in mind the air flow of the zetec PCV system vs. duratec for example helps keep it running well.

Zetec PCV intake air is un-metered (from before the MAF) while the duratec uses metered air from after the MAF in the intake design.

This can affect tuning & your decisions on plumbing the system.
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