Thread: smoke out of the valve cover breathers.
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Old 11-25-2013, 11:37 AM
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Cobra Make, Engine: KMS427S/C #0631
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Double check your timing, as well. I know Keith recommends 40 degrees advance (at least on my engine - depending on your cam). With the 91 octane fuel and the elevation out there in Ramona, you may be rattling the rings just a bit.

Best of luck!
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