Crap...need some help on what is causing this?

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#14 (permalink)

09-27-2010, 06:42 PM

SSSammy

Senior Club Cobra Member

Join Date: Jul 2006

Location: McKinney, TX

Cobra Make, Engine: ERA GT #2077, 331 SBF, Webers, Gurney Eagle heads

Posts: 1,275

Not Ranked

Quote:

Originally Posted by jdean

... then manually popped the gas a few times and saw a LOT of light colored blow by come out the valve cover vent with a bit of a pulsation to the flow.

John, you must have cylinder gases going into the crankcase (and thus up the oil returns to the valve covers and out the breather).

Suspect rings or holed piston ...

Do a compression check asap before unscrewing anything!

Sam

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