[Mgs] MGB valve cover/crankcase venting

Rick Lindsay rolindsay at yahoo.com
Sat Jan 12 20:55:57 MST 2008


Just read Barney's note and excellent site and
appreciate all he wrote.  Perhaps you can share a
little advice this way.

I am presently doing a valve job on my '70 B (with the
'65 engine) and as I reassemble the car I think I will
reinstall the gulp valve (I just plugged the manifold
port earlier.) BUT I am spooked a bit in that it opens
directly into the inlet manifold (read: huge potential
for a vacuum leak).  So I think to myself, "Why not
just plug the pipe between the valve and the inlet
manifold so it will 'look' correct but the manifold
will be sealed."  Yes, that will work but what to do
with the crankcase fumes?  The bottom end of my engine
is nice and tight.  I can place a finger over the
crankcase vent hose with the engine running and feel
no pressure at all.  The guys I worked with before
just attach a long-ish hose to the vent and port it
down under the car claiming, "You don't want that oily
crap going into your intake anyway."

So I ask; What would you guys do?  I have no emissions
issues - legal or moral - so I'm thinking more from an
automotive engineering standpoint.  How do i handle
the crankcase ventilation?

regards,

rick

--- dannyvarnado <dannyvarnado at cox.net> wrote:

> Can anyone tell me the proper way to pipe up the
> valve cover vent and the
> crankcase vent on an MGB with no emissions parts?
> Thanks
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