I had a Fiat Spyder DOHC engine that leaked oil from one cam seal.
Couldn't get it stopped until I realized the oil was going around the
seal, not through it. Gasket cement around a new seal cured the problem.
I put Speedi-Sleeves on both ends of the crank in my MGB engine. The
rear seal leaks and the front doesn't. Doesn't leak a lot but I'll find
a small puddle under it when the car is parked for an extended time.
Another leak source is the filter adapter seal. Have you isolated it?
> I've had the following experience with both an MGB (race car) I used to own
> and an MGA (street car) I currently own. After the rebuild of the engines in
> both these cars, oil leaked from the rear crankshaft "seal" area. In both
> cases, the cars were relatively leak-free while running, but dropped
> significant amounts of oil after turning the engine off.
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