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Corvette
Corvette Performance
C7 Z06 Performance testing @ Dasilva Motorsports
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<blockquote data-quote="Riley P" data-source="post: 84049" data-attributes="member: 2"><p>The oil gets into the intake from the PVC system. As the oil flows with the air inside the intake, it should remain suspended in the air but separates in areas with slower velocities (such as wide open areas), or on the outside of surface where the air changes direction, and the back side of the intake valve (as the air actually stops every time the valve closes AND the oil keeps trying to move forward even though the air is stopped causing more oil on the back of the valve). This oil builds up over time in the intake and on the back sides of the valves. As the intake valve does spend a little bit of time in the combustion chamber, carbon caused during the combustion process mixes with the oil on the back of the valve and creates the grime/deposits. Long winded story short, the oil comes from the PVC valve as opposed to the combustion chamber.</p><p></p><p>As for the other questions, I'll leave that to the master.</p></blockquote><p></p>
[QUOTE="Riley P, post: 84049, member: 2"] The oil gets into the intake from the PVC system. As the oil flows with the air inside the intake, it should remain suspended in the air but separates in areas with slower velocities (such as wide open areas), or on the outside of surface where the air changes direction, and the back side of the intake valve (as the air actually stops every time the valve closes AND the oil keeps trying to move forward even though the air is stopped causing more oil on the back of the valve). This oil builds up over time in the intake and on the back sides of the valves. As the intake valve does spend a little bit of time in the combustion chamber, carbon caused during the combustion process mixes with the oil on the back of the valve and creates the grime/deposits. Long winded story short, the oil comes from the PVC valve as opposed to the combustion chamber. As for the other questions, I'll leave that to the master. [/QUOTE]
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Corvette
Corvette Performance
C7 Z06 Performance testing @ Dasilva Motorsports
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