<VV> Oil fouled plugs

Mark Durham 62vair at gmail.com
Sun May 27 13:44:34 EDT 2012


Daniel, what have you discovered for the oil fouling issue?
What color are the plugs, all y of them? Mark Durham

Sent from my Windows Phone
From: Daniel Monasterio
Sent: 5/25/2012 14:38
To: VirtualVairs
Subject: <VV> Oil fouled plugs

I rebuilt the engine on my 140, 67 cpe. engine 7,000 miles ago
(October 2010) but, some months ago, started fouling plugs with oil.It
happened on the left bank only. Must of the time it is the #3 and
sometimes #1 or #5. It just happened on city driving or at first start
on morning.While on the road, even on 500 miles trips, it runs fine
without any trouble and minimal if no oil consumption.Suspecting on
broken rings, today checked compression and it is 120 psi. on all
cylinders.
What could be happened ? Broken oil rings only ? Worn valve stem seals ?
It looks weird to me but maybe some of you wizards could lead me on
the right path.
Daniel Monasterio


 		 	   		
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