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Reversion issue using ZZ502 Cam. Anybody shed some light?

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Reversion issue using ZZ502 Cam. Anybody shed some light?

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Old 10-01-2007, 04:06 AM
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Originally Posted by Michael1
You're assuming both the intake and exhaust pressures are the same. The only time that would happen is at full throttle, with a perfect exhaust system. As long as the intake pressure is less than the exhaust pressure (such as at part throttle), and cam overlap exists, there will be reversion.

Michael
Yes I agree some reversion can exist just before TDC. But for comparison purposes, EVC is a good indicator. Degrees of overlap are a consideration as well. That is why they always talk about LSA in regard to water reversion.
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