Thread: Blow by
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Old 01-17-2005, 01:34 PM
65rag 65rag is offline
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Join Date: Jan 2005
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Im experincing blow by in my newly installed 69 yz 400.Im using 1970 #13 heads and a stock ram air III cam.Oil is blowing out the dipstick when in the 4800rmp range,and out the valve cover breather cap.Any suggestions?

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