[Healeys] Venting oil through rear air filter

Bernie Grabow grabow.bernie at gmail.com
Tue Aug 24 17:39:57 MDT 2010


Tom,
Check the T fitting on the top of your valve cover.  If it is screwed
in too far it can create the problem you are experiencing.  Screw it
out a few turns and see if that helps.  Could be a really cheap fix.
Bernie

On 8/24/10, Tom McCay - Classic-Car-World Ltd
<enquiries at classic-car-world.co.uk> wrote:
> Hi guys, I have an interesting issue where I seem to be venting excess oil
> out
> of the rear carb air filter on my BJ8. The engine runs great and the oil
> pressure is good but I seem to have excess oil dripping out of the air
> filter
> and down onto the exhaust system. The oil levels are also correct, but I do
> seem to use or loose about half a pint on a 200 mile trip.
>
> I thought that perhaps that the air filter needed cleaning and that the
> engine
> was breathing more out of the crank case than it should and sucking the oil
> out. I've cleaned the filters but the problem remains. I think the next
> option
> is to do a compression check to see if I have a ring problem where the
> crank
> case is being pressurised or perhaps valve stem seals?
>
> My gut feeling is that I'm going to have to pull the engine out eventually
> but
> are there any other thoughts before I have to go this far?
>
> Kindest Regards
>
> Tom
>
> 1965 AH3000 MkIII BJ8
> 1960 MGA1600
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