George, been there and done that and I doubt that the plug can be removed
easily with the engine in place. I would be concerned with dropping debris
into the engine in the process. Mine is a 4A but now has the breather tube and
an early TR 4 valve cover. The pcv system is gone. I installed the tube when
the engine was rebuilt.
I trust that you have the proper oil cap on your valve cover. It needs a
vented cap and the breather pipe in place to function. I assume you have the
Stromberg carburetor setup with the breather tube that runs into the air
filters.
I remember my brother drove his 4 from Chicago to Pittsburgh many years ago
with a clogged valve cover breather tube. when he got to Pittsburgh the whole
back of the car was coated with oil and a real mess. Oil was coming out from
every place that it could find an escape route. Cleaning the valve cover
breather tube fixed the problem.
JVV
----- Original Message -----
From: Geo Hahn
To: TR
Sent: Sunday, January 19, 2003 7:36 PM
Subject: TR4 PCV vs Breather
I have a 64 TR4 with the closed engine (sealed oil fill cap & no
breather tube). When I first got the car there was a funky after-market
venting apparatus on the valve cover (now I know why). I replaced that
with a correct valve cover but then began to get oil pushing out around
the oil fill cap. Renewed the gasket there but now seem to be sending
quite a bit of oil into the carbs via the tube from the valve cover.
Is this symptomatic of a probelm or typical for a '4 with this
arrangment?
Would a (TR3/early TR4) breather tube be a reasonable way to relieve
this pressure? Can the plug in the port used for the tube be removed
with the engine in place? Looks like getting the fuel pump out of the
way might help. Is it just a press fit like a freeze plug?
Thanks for any advice.
Geo Hahn
64 TR4
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