I've spent as much time on this one valve as I have on four other cylinders. I'm turning the nuts toward the left of the picture below (looking from the driver's-side, turning towards the timing chain). I've loosened it this much several times and it's STILL too tight (.35 mm is the exhaust spec I'm using).



What is going on? Am I turning it in the wrong direction? Something else wrong? It is loose enough for the intake specs -- so it's not crazy tight -- but this is an exhaust valve.

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1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod

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