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You are describing two types of crankcase breathing, which should not =
exist on the same car.
The first from inception to Feb 64 used a hose from the rocker cover to =
the front air cleaner.
The second from then to Oct 68 used a PCV valve on the inlet manifold =
with a hose going to the front tappet chest cover.
The Y-connector Max talks about was only used after that when the tappet =
chest cover was plumbed to both carbs in place of the PCV valve.
But oil loss on the starter side won't be anything to do with that =
anyway. More likely to be something to do with the filter/filter head =
perhaps a seal blowing under higher oil pressures and hotter oil, oil =
cooler connections if present, or oil gauge connection. The latter is =
right above the starter of course, but at speed oil is going to be blown =
back anyway. Could also be rocker cover. Stuff that side of the engine =
with balled-up newspaper and that may help to localise the source.
PaulH.
----- Original Message -----=20
I have a '74 MBG engine with a '64 through '67 PCV valve on the =
manifold and connected to the front cover breather pipe. I have a hose =
running from the valve cover pipe to the air cleaner.
Seems to work fine for daily around town driving. My problem occurs =
when traveling at 65 mph sustained speed for about 100 miles.=20
The problem is I blow out about half a quart of oil from somewhere =
mid-engine or back on the passenger side. I can't find any obvious =
place that the oil is coming from but it seems to be concentrated near =
the starter.
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<DIV><FONT size=3D2>You are describing two types of crankcase breathing, =
which=20
should not exist on the same car.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>The first from inception to Feb 64 used a hose from =
the rocker=20
cover to the front air cleaner.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>The second from then to Oct 68 used a PCV valve on =
the inlet=20
manifold with a hose going to the front tappet chest cover.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>The Y-connector Max talks about was only used after =
that when=20
the tappet chest cover was plumbed to both carbs in place of the PCV=20
valve.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>But oil loss on the starter side won't be anything =
to do with=20
that anyway. More likely to be something to do with the =
filter/filter head=20
perhaps a seal blowing under higher oil pressures and hotter oil, oil =
cooler=20
connections if present, or oil gauge connection. The latter is =
right above=20
the starter of course, but at speed oil is going to be blown back =
anyway. =20
Could also be rocker cover. Stuff that side of the engine with =
balled-up=20
newspaper and that may help to localise the source.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>PaulH.</FONT></DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black">I have a=20
=9274 MBG engine with a =9264 through =9267 PCV valve on the manifold =
and connected=20
to the front cover breather pipe. I have a hose running from the =
valve=20
cover pipe to the air cleaner.<o:p></o:p></DIV>
<DIV class=3DWordSection1>
<P class=3DMsoNormal>Seems to work fine for daily around town =
driving. My=20
problem occurs when traveling at 65 mph sustained speed for about 100 =
miles.=20
<o:p></o:p></P>
<P class=3DMsoNormal>The problem is I blow out about half a quart of =
oil from=20
somewhere mid-engine or back on the passenger side. I can=92t =
find any=20
obvious place that the oil is coming from but it seems to be =
concentrated near=20
the starter.<o:p></o:p></P></DIV></BLOCKQUOTE></BODY></HTML>
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