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@mac.com>
To: North Bay British Car Club <nobbc@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@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@autox.team.net [mailto:nobbc-bounces@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@mac.com
> Mobile Phone 415 310 5252
>
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