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Old 07-02-2018, 07:44 PM   #14
CSG Mike
 
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Join Date: Jul 2012
Drives: S2000 CR
Location: Orange County
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Quote:
Originally Posted by mhiscott View Post
It's bazzare that some seem to have no issues at all with crank case pressurization. You've effectively got a 1/2-3/8th hose feeding boost straight into your oem check valve, but if it's working - great. I wish I knew why it's causing trouble for some and not others.
The effect of the pressurization will vary with the condition and state of every engine. While I may not be having any adverse issues, I'd also speculate that I'm much more vigilant with my maintenance than many other owners here on this board, possibly resulting in a better condition.

For example, my S2000, with 140k miles on the clock (and currently at over 17 million vtec activations) has steller compression numbers across the board (within 2% of new), but with very high leakdown numbers (30%+ per cylinder).
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