Sneaky Leaky Sump Techniquey?

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Following my more-trouble-than-it-was-worth inconclusive investigation of metal in my oil, I now have a leaky sump gasket.

You have to take quite a lot of bits off to remove this sump, and its quite tricky getting them all lined up (in the right order, duh!) to go back again. I've done it, IIRC, 3 times now. I'm not getting any better at it and the novelty has definately worn off.

I'm thinking that next time, after I put the sump back, instead of putting the car back together and test driving it, I should just overfill the sump.

If it doesn't leak overnight with the oil level above part or all of the sump gasket (I havn't decided on the optimum level but I suppose you could gradually ramp it up, perhaps calibrating a dipstick specially) then it'd perhaps be ok in operation (with the oil level restored, natch) and putting it back together is less likely to be a waste of time.

Make sense?

Forseable but unforseen (by me) snags?