Make sure you grab the cam, cam towers, etc from your old head and put them on the w116 head. The newer heads differed with these parts to allow for more lift of the valves allowing the engine to breath better.

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green 85 300SD 200K miles "Das Schlepper Frog" With a OM603 TBO360 turbo ( To be intercooled someday )( Kalifornistani emissons )
white 79 300SD 200K'ish miles "Farfegnugen" (RIP - cracked crank)
desert storm primer 63 T-bird "The Undead" (long term hibernation)

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