Pretty much all the valves were way loose. I guess my interpretation of "the feeler gauge should slide between the cam lobe and rocker arm with some resistance" was a bit skewed. Some of the exhaust valves were so loose, the thickest gauge in my set (0.65 mm) fit in the gap. I figured out how to do it right, however. I made sure the right feeler could slide in, but the next thickest one couldn't. Much better sounding engine...

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cbjukraine
'84 300D