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valve cover breather smoking

lak2004

1/2 ton status
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Aug 31, 2006
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Durango, CO
Right upon start I have smoke out of the valve cover breather on my tbi 350. Havent seen what it does once it warms up because I need to get fuel, but ill check that later today. Any ideas? Too much oil maybe? THanks
 
not sure on mileage. got the engine used. damn i havent even been able to drive this thing yet.
 
Some blowby is normal, hence most engines run a PVC system to evacuate the crankcase. If you suspect blow-by is excessive, run a compression test.
 
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