Hi Chuck,
Seems you could well be right with this.
What I do know, as of a proven fact, is that on my 1275 it was loosing
oil down the exhaust valve guide at quite a rate. I added seals to the
stems and it sorted it out. Done about 5K since then with no apparent
problems.
I suspect a combination of factors, including probably wide stem :
guide tollerance for unleaded petrol.
Returening to the original question from Dan; I would suggest leaving
the seals off to start with (to aid some stem lubrication). If it
then smokes, as mine did, it is easy to add the seals later (ref: the
string method)
Guy
----- Original Message -----
From "Charles Christ" <cfchrist at earthlink.net>
> umm me thinks that evryone is missing one thing on the exhaust
theory? if
> proper system fabrication has been achieved there is some "vaccume"
in the
> exhust port due to "scavenging". and this will draw oil down the
guide into
> the port.
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