Thanks Barney. We left St. Louie early on Saturday, so evidently missed you.
I've had the valve cover gasket off several times, so I'll check it first,
then the rest. I replaced the tappet cover gaskets while I had the manifold
off rebuilding the carbs.
Monte'
----- Original Message -----
From: "Barney Gaylord" <barneymg@mgaguru.com>
To: "MonteMorris" <mmorris@nemr.net>; "MG list" <mgs@autox.team.net>
Sent: Monday, June 23, 2003 11:40 PM
Subject: Re: compression test
> At 08:50 PM 6/23/03 -0500, MonteMorris wrote:
> >My wife and I had a good time at MG2003 this weekend and was happy to
meet
> >several listers there.
>
> Sorry to have missed you (I think). On a last minute whim I sort of
> bumbled in about 11:30 Friday night and stayed through Sunday. Hard to
> miss an MGA with a black trailer in a crowd of MGBs. I too had a chance
to
> meet some new folks and put some faces with a lot of prior e-mail
> messages. Good show. Good biplane fly in by the WACO group too.
Couldn't
> resist a ride in a 1941 biplane. Cool, but not terribly exciting after
> driving an MG. (What? !!!)
>
> >....
> >.... on the 67B. .... Even though it runs well, the car uses/loses about
> >a quart of oil every 350 miles. It leaks some right above the oil
> >dipstick-best I can figure it's from the head gasket area.
>
> More likely the valve cover gasket. The only pressurized oil passage
> through the head gasket is near the left rear corner. Oil returns through
> the pushrod holes near the left side. Water holes are closer to the right
> side. For a good primer on getting the valve cover gasket to seal, check
> here: http://mgaguru.com/mgtech/engine/vc101.htm
>
> >I also have a few leaks onto the floor as it sits overnight, but the
> >biggest one seems to be right below the tranny drain plug. ....
>
> That one is hard to call. Oil coming from anywhere on the engine seems to
> blow back onto the gearbox when driving. A valve cover leak can certainly
> soak the gearbox. Check the easy stuff first. Do the valve cover gasket
> before worrying about any others.
>
> A second common oil leak on the MG B-series engine is from the tappet
> covers on the left side of the block. These are excessively difficult for
> access and generaly require removal of the manifolds. The sump gasket may
> also leak. On rare occasion simply tightening the bolts may slow or stop
a
> leak there (but don't count on it). A leaky timing cover seal can soak
> both the oil pan and the gearbox. That requires removal of the crankshaft
> pulley. On the '67 that generally means removing the radiator first. A
> leak at the crankshaft rear seal should vest itself as a dribble from the
> bottom of the bellhousing, and if you have that problem you would be in
for
> pulling the engine to replace the seal.
>
> Oh, you might just check the seal on the gearbox drain plug while you're
at
> it. It can be real embarrasing to R&R the engine to replave a perfectly
> good rear seal, and later figure out the leak was just the drain plug.
>
> Barney Gaylord
> 1958 MGA with an attitude
> http://MGAguru.com
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