[Healeys] oil vent filter

Wilko2 e-wilkins at cox.net
Thu Jul 3 10:24:29 MDT 2014


I do the opposite. I like to "glue" the gasket to the head instead of the
cover. Helps keep the oil there while adjust valves and such.

Wilko
Rick Wilkins

On Jul 2, 2014, at 6:41 PM, Bob Haskell wrote:

> Ira,
>
> Make sure the lip of the valve cover is flat.  I usually glue the gasket to
the valve cover and use some grease on the cylinder head side of the gasket.
That way I can remove the valve cover and not worry about the gasket sticking
to the head.
>
> Cheers,
>
> Bob Haskell
> AHCA 3000 Mk I registrar
> http://www.ciahc.org/registry_3000mk1.php
>
> On 07/02/2014 09:34 PM, I Erbs wrote:
>> Have aftermarket rear seal. After having a Healey specialist I know look
at
>> it he seems to feel oil leaking from my valve cover is being blown around
>> the engine bay. Ill replace the gasket this weekend and seal it with the
>> Right Stuff sealant. Clean  it and sed if things improve. Thanks all fir
>> your comments. Drove it to Summer School today. The kids and staff loved
it.
>>
>> I Erbs
>> IT Educator and Consultant
>> sent from smartphone, so what you read, may not be what I meant to send.
>> On Jul 2, 2014 6:26 PM, <healeyguy at aol.com> wrote:
>>
>>>  Ira
>>> Austin engines have to have a way for excess crankcase pressure to leave
>>> the engine.  On the 100 (four cylinder cars) there was a road draft tube
>>> the vented the lifter gallery cover.  The car moving forward caused the
air
>>> blowing by the pipe opening (below the engine) to suck the air out of the
>>> engine.  When the car was not moving it didnbt work so well. On the six
>>> cylinder cars they connected the lifter cover and the valve cover to the
>>> vent tube and then hooked into the air cleaner.  The vented crankcase
gases
>>> were pulled into the rear carb.  Having a filter on the end of the vent
>>> tube and not connecting to the air filter will cause the crankcase
pressure
>>> to build up. Granted the condition of the rocker shaft  and bushing add
to
>>> the oil issue if they are worn but the need for a vent with negative
>>> pressure (suction) is required. The original screw seal on the rear of
the
>>> crankshaft will not tolerate a lot of crankcase pressure and will leak
like
>>> a sieve. An aftermarket crank seal helps in that location but does
nothing
>>> for the real problem.  The other solution is the installation of a PCV
>>> valve in the intake manifold with the appropriate plumbing.
>>> Aloha
>>> Perry
>>>
>>> Sent from Windows Mail
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