[AT] stuck good on a WD 45 engine question!

Mark Greer greerfam at raex.com
Mon Dec 11 17:07:13 PST 2006


Sounds like a worn valve and/or valve guide. What was the diameter of the
valve stem and the inside diameter of the valve guide when the valve job was
done?
Mark

----- Original Message ----- 
From: "John Wilkens" <jwilkens at eoni.com>
To: <at at lists.antique-tractor.com>
Sent: Monday, December 11, 2006 4:55 PM
Subject: [AT] stuck good on a WD 45 engine question!


> My neighbor an I are super expert tractor mechanics :)  but we are
> stumped and need ATIS help!    Got a WD 45 with even compression at
> 119 lbs and good oil rings....no blowby problem and a fresh valve job
> (superior quality of course), and a good tight head gasket.    The
> problem with this tractor is that it blows enough oil out the exhaust
> pipe to make your face greasy if your're facing a headwind.  It all
> seems to be coming from cylinders 3 and 4...which are fouling
> plugs.  We put valve stem seals on the exhaust valves, but still it
> blows oil and smoke out the exhaust pipe.  It seems to me that the
> only place for engine oil to get into the exhaust system would be
> within the head somewhere.  Question is....Where or How?   We are
> just now going out to plug the oil feed pipe to the head and run it
> awhile without oil feed to the rocker arm to see if the smoking
> problem changes any.....but even if it does....where would be the
> problem.....a crack somewhere in the head?  It is blowing too much
> oil for a hairline crack we maybe can't see.     ANY IDEAS WELCOME
> PLEASE!     John W.
>
>                     In the wide-open spaces of NE Oregon
>
>
>
> _______________________________________________
> AT mailing list
> Remembering Our Friend Cecil Monson 11-4-2005
> http://www.antique-tractor.com/mailman/listinfo/at
>




More information about the AT mailing list