you will need an adapter from the OE caddy engine to a modern GM tranny bolt pattern.
Adapters are expensive.
visit this site:
Originally Posted by BadA$$37
Im not much of an all original guy, I would like to pull the hydromatic out of my 61 Cad and replace it with a 700r4 or ????. I was hoping that some one might be familiar and have some recommendations for me. Just trying to get a little more cruise-ability and would like to do Americruise next month, so any input and swap tips would be greatly appreciated. Thanks for any and all help.
At the Bonneville Salt Flats, first gear is known as 130 mph.