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

[John Wilkens]

Well, the rings are not broken but we'll take a closer look to see if 
the gaps are all lined up.   John



At 04:56 PM 12/11/2006, you wrote:
>Just a wild guess here, but it could be that the ring gaps are all lined up.
>Another possibility is a broken ring on each of these.
>
>Phil
>
>At 03:55 PM 12/11/2006, you wrote:
>>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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                    In the wide-open spaces of NE Oregon