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

[Paul West]

I guess must be a crack in the head or one bad seat on an intake.  Doubt it
though or you would have seen it... Paul

-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of John Wilkens
Sent: Monday, December 11, 2006 3:55 PM
To: at at lists.antique-tractor.com
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
   


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