[Healeys] oil mess on the way back from Conclave

[Quinn, Patrick]

 Happy anniversary Alan

Is there dancing in the streets?

Hoo Roo

Patrick

-----Original Message-----
From: healeys-bounces at autox.team.net
[mailto:healeys-bounces at autox.team.net] On Behalf Of Alan Seigrist Blue
100
Sent: Friday, 29 June 2007 10:11 PM
To: NPaul72464 at aol.com
Cc: mkgoodman at worldnet.att.net; healeys at autox.team.net
Subject: Re: [Healeys] oil mess on the way back from Conclave

Ned -

When your car gets very hot and is run for a very long time, crankcase
pressure can build up.  When this happens it puts the whole crankcase
under pressure causing oil to seep out of the various gaskets, etc.  You
will get alot out of the rocker cover because with the high crankcase
pressure, it can result in oil taking longer to drain back into the
crankcase from the rocker arm assembly.

This is why later model cars of this era have a PCV valve - this valve
basically helps to relieve the pressure in the block, reducing oil
leakage.
You ma consider putting a PCV valve on your car, Norman Nock sells a PCV
valve conversion kit - it's cheap.

Alan

'52 A90
'53 BN1
'64 BJ8
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