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Old 09-17-2007, 12:20 AM   #1
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Default Valve Cover Gasket

How often does it need to be changed? After almost 2 years (and around 15,000 miles?) since the TB change and the SC install, I seem to be getting some oil leakage around the valve cover.

Is this "normal"?
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Old 09-17-2007, 12:24 AM   #2
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I would help but I seem to suck at vavle cover gaskets on a miata. I've done plenty on every other car on earth, but the one on the mazda just always starts leaking after a couple months.

It shouldn't be normal.
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Old 09-17-2007, 12:26 AM   #3
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gotta make sure to put the rtv on the 6 90* corners
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Old 09-17-2007, 12:32 AM   #4
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really? I didn't rtv mine when I changed valve covers 6 months ago. and I reused my old gasket, which is likely original. but it felt nice n squishy, and I don't see evidence of leakage. though my poor girl doesn't get driven as much as she should.

i wouldn't be concerned with a little crusty dribble coming from the vc. not hurtin nuthin, and IMO not worth the cost and effort of gasket replacement, since there's no hazard or potential issue, other than a slightly less pretty engine. others who are more ---- about that cosmetic type thing will assuredly disagree.
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Old 09-17-2007, 12:38 AM   #5
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mazda suggests it, comes that way from that factory.
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Old 09-17-2007, 12:51 AM   #6
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As long as the only drawback is a less pretty engine, I'll just wait.

I am wondering though if running almost 12 PSI of boost accelerates the VC from leaking?
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