[Shop-talk] oil vent mess

[Tim]

Supposed to be a fresh over haul on the engine. I will check the pcv 
valve. Hope it is not rings that are not seated. And pray that if they 
are not yet seated that they will seat.

Thanks
tim


On Fri, Jun 15, 2012 at 4:15 PM, Randall wrote:

>> Other option is you've got excessive blow by that's overwhelming the
>> PCV
>> system.  That would seem unlikely on an engine with 5000 miles, 
>> unless
>> you've got stuck piston rings or something else major wrong causing
>> lots of
>> combustion gas to get in the crankcase.
>
> I agree entirely, except about the likelihood of having "excess" 
> blowby.
> Those old PCV designs didn't allow for very much, and it would be very 
> easy
> IMO for a 40 year old motor to have stuck rings or rusty cylinder 
> walls, no
> matter how few miles it has been driven.  It is also normal for them 
> to flow
> backwards through the PCV intake, when the throttle is wide open (no
> manifold vacuum to pull anything through the PCV valve).
>
> My 65 Olds got to be pretty well worn towards the end of its life. 
> The
> engine still ran fine, but if you held the throttle open for very 
> long, it
> would blow literally quarts of oil out the PCV intake.  From a 
> standing
> start with a full crankcase, it would be low on oil by the time it got 
> to
> 100 mph.
>
> -- Randall _______________________________________________
>
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