Quote:

Originally Posted by pangolin I have always cranked until the needle stops rising.

Me too, definitely more than 6 cranks!
What kind of fitting is used? Is it threaded? Does it seal well?

Also, has the car only been used on very short journeys? 80k is no mileage for worn piston rings, but premature wear can be caused by constant cold starts and cold running.
If the car is consistently used on very light throttle settings the top end can coke up quite badly (carbon deposits) which can affect valve seating. Maybe that's a possibility, but a long shot,perhaps.

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