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Old 05-02-2013, 10:33 AM   #14
GRX
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Join Date: Jul 2010
Location: MD
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Re: PCV valve and a breather or just 2 breathers? 350 chevy

Another vote for a good working PCV system to suck lost compression (piston ring blow by) out of the crank case.
Quote:
Originally Posted by 6768chevylover View Post
even on a 10 to 1 ratio engine u would put a ocv valve?
Yes. No rings will be able to seal compression 100%.
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1969 c-10 Step Side Long Bed. I-6 250cid = = 1969 Pontiac GTO hard top. 400, 4-speed.
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