I don't know what the PO used on my car, but I am a little concerned by this thread - fall maintenance says I am gettin gthe valves reset by a local indie this week, and bought a new VR gasket to go with the job.

Whatever is currently on the engine leaks up front on the passenger side. I'm not sure where else, but my slow leaks are driving me nuts. Not enough to drip, but enough to make things ugly. I was hoping to get rid of that leak with the new gasket, then start chasing the others.

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1981 240 D in the Toronto Area
Ivory with one black fender