Thanks Tom.

If I get the '77 I'd like to swap the complete engine and transmission as a unit unless there's an unexpected problem.

This old '75 is interesting because the fuel supply and injector pump is different visually than the one on the 123 chasis. Also, form reading old posts I think there is a change in bellhousings and how they bolt to the engine on the older models. I'm trying to stay awake at night and study old posts using the search function but it's hard with dial-up, which is the only service available in my area except satellite which I can't afford.

Thanks for your support.

Mike

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1983 300D 296k work in progress
1985 300D (sandwiched) parts
1980 240D engine issue