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Hi Everybody. I have this reccuring annoyance on my '90 Esprit SE.
Each time after some weeks of driving (it goes quite slow) a small puddle of oil builds up in the spark plug hole of the spark plug closest to the cambelt. I have already replaced the camcover gaskets but it keeps recurring. I have looked everywhere for oil traces but I can't seem to find any. Suggestions please?
 

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Wingless Wonder
1988 Esprit Turbo
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Best guess (as long as the valve cover gasket screws are actually tight, and there are o-rings under the screw heads as designed) is that your cam carriers are leaking. If they have never been removed (for valve adjustments, etc) that is a common issue.

Usually the exhaust carrier leaks first which results in smoke as the engine warms up (especially after long interval between runs). But if the intake carrier is leaking, the collection point is the spark plug wells.

The cam carriers do not use gaskets, they rely on an anaerobic sealer to retain the oil. This can deteriorate after time and the pounding from the valvetrain.
 
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