If you can put a 190D 5 speed in a 300SD could you put the same 5 speed in a 240D?

I wonder if that would be a better solution for you rather than playing with the rear end.

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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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