A lot of smoke coming from pvc valve tubes?

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acuraguy81

Petty Officer 1st Class
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Mar 16, 2010
Messages
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I have noticed a lot of smoke coming from these tubes coming out of the valve cover pcv valve tubes that connect to the breather especially when revving it up, at idle there is very little to none. is this normal or should it only be when running hard or just some fumes?
 
Bt Doctur

Bt Doctur

Supreme Mariner
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Aug 29, 2004
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19,111
Re: A lot of smoke coming from pvc valve tubes?

It`s called "blow-by" .Main cause is from worn rings
 
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acuraguy81

Petty Officer 1st Class
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Re: A lot of smoke coming from pvc valve tubes?

ok cool its ok as long as it is not crazy right? or how do i tell? I will check the oil. should I do a complete compression check?
 
Big Boat Bay Buster

Big Boat Bay Buster

Petty Officer 2nd Class
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Re: A lot of smoke coming from pvc valve tubes?

Are the tubes positioned correctly (flush) against the flame arrestor? If so, you should not notice any smoke at all. Excessive blow by would dump oil on your arrestor and top of motor. Also,make sure its not steam. Had that problem when I had a cracked,rusted out intake manifold. In that case I had water all over the flame arrestor--water in oil.:eek:
Food for thought
Chris
 
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acuraguy81

Petty Officer 1st Class
Joined
Mar 16, 2010
Messages
227
Re: A lot of smoke coming from pvc valve tubes?

they are on there snug but i like to look at things so i took em off and checked them to see how much there was
 
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