[Nobbc] Removal of breather pipe? MGA

[Jim Christian]

Mark,
When I bought my '68 XKE, the breather was connected to the air filter
by a couple of hose and pipe connections.  I talked to some other owners, and
most had simply capped off the air filter connection, and run the hose/piping
straight down to exit below the motor "into the wind."  Apparently this was
how earlier pre-smog cars were set up, avoided any oil mist up top, and didn't
trigger oil/fuel-mix issues or plug fouling in older engines.  So I've kept
the original bits, extended the breather to the bottom, and have no issues. 
Just a thought!




________________________________
From: Mark Darley
<markdarley at mac.com>
To: North Bay British Car Club <nobbc at autox.team.net>
Sent: Mon, March 8, 2010 6:34:45 PM
Subject: Re: [Nobbc] Removal of breather
pipe? MGA

Andy,

Thanks for the extra gasket tip.  I must say I do not like
the idea of cutting into any parts of an original car in good condition unless
there is really no other option.

Mark Darley
markdarley at mac.com
Mobile Phone
415 310 5252



On Mar 8, 2010, at 6:06 PM, andy preston wrote:

> Mark, I
don't understand the reason for disconnecting the valve cover
> breather pipe
from the front air cleaner.  It's meant to capture the oil
> vapor and prevent
it from going into the air.  If you fit the K&N filters
> you will need to
perform some minor surgery to the front K&N air filter.
> The K&N filters have
a wide rubber seal around the perimeter, which will
> block the vent opening
in the front air filter plate so that the breather
> pipe will be blocked. 
Not a good idea.  It's easy to fix by cutting a W
> shape with a utility knife
in the rubber seal of the K&N filter.  The MGA
> Guru, Barney Gaylord shows
how to do it on his website, WWW.mgaguru.com.  Go
> to the Carburetor and
Exhaust, section CB 201.  When I fitted them to my car
> I did not grind the
inner pedestals down as Barney suggests.  I made 2
> gaskets out of Cork and
placed them either side of the K&N filters to take
> up the extra play in the
filter housing.
> 
> Andy
> 
> -----Original Message-----
> From:
nobbc-bounces at autox.team.net [mailto:nobbc-bounces at autox.team.net] On
> Behalf
Of Mark Darley
> Sent: Monday, March 08, 2010 12:11 PM
> To: North Bay British
Car Club
> Subject: Re: [Nobbc] Removal of breather pipe? MGA
> 
> It has been
suggested to me that removing the breather pipe on the
> MGA will reduce the
oil burned, and also that I should exchange the
> oil cap for a vented one.
>
> What is the logic on the breather pipe removal?  Is it simply that
> oil in
the rocker cover will then not get sucked into the carbs?
> 
> If I remove the
pipe will I not have the under side of the bonnet
> covered in a fine mist of
oil? Doesn't sound attractive.
> 
> General loss of oil has been much improved
by simply tightening
> everything I could get my hands on!
> 
> The car is
running much better for valve and float adjustment.
> 
> Thanks
> Mark
> 
> 
>
Mark Darley
> markdarley at mac.com
> Mobile Phone 415 310 5252
>
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