Quote:
Originally Posted by Greg Holmberg
I was under the impression that most Spec Boxsters simply remove the AOS and block off the opening.
Am I wrong?
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I would never just block the opening. Your crankcase MUST vent. On many race cars and bikes we've simply vented to the header, or out the back. But I've also read that these low- tension rings require some vacuum to seal properly. I can't confirm, but I buy it.
But don't ever just seal it off.
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