[V8] Alusil/Nikasil oil burner?

cobram at juno.com cobram at juno.com
Wed Aug 27 12:02:55 PDT 2008


I think you guys have hit the nail on the head.  I had smoke billowing
from under the air cleaner after a spirited run through the mountains of
West Virginia (triple digits, with full passenger/luggage load) when I
stopped at a rest area.  I thought the breather hoses were bad, got home,
they were fine, like new.  It NEVER happened again, I don't play hard
with VA#1 (that's what #2 is for), so conservative driving with minimal
oil slosh cures the symptom.

BCNU,
http://www.geocities.com/cobramsri/
"God's a kid with an ant farm, lady. He's not planning anything."
 
QSHIPQ at aol.com writes:
>  
> Both suffer the problem equally IME.  However, since the ABH puts  
> 300ft/lbs 
> of torque vs the PT, I suppose your experience would support the  
> sloshing 
> theory.
>  
> The fix is to redesign the PCV system so that the pickup is not at 
> the back  
> of the head, or delay/shutoff the PCV for 20 seconds with a solenoid 
> valve  
> attached to the WOT switch.  
>  
> SJ
>  
> bastian at preindl.net writes:
> 
> Hi,
> 
> > However, I think there's something to Scott's theory  about 
> venting the 
> heads 
> > at the back. I guess if every acceleration is  a hard one, pushing 
> the oil 
> > inot the venting system could lead to a  problem.
> >   
> 
> if it's really about the head design, I  wonder why the ABH is more 
> 
> affected than the PT (that's at least our  experience). And IF it is 
> 
> nevertheless the head design, what can be done  against it?
> 
> Bastian
> 
 
 


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