Re: Big Block in a '67
Yes, you will need to change the bolt-on engine frame stands. The motor mounts are the part that bolt to the block itself.
Lots of info to search on here. try terms like "frame stand", "big block swap", etc.
You will also need a different transmission crossmember, depending on what's in the car now and what trans you want to use. Holes on the trans cross are offset to the passenger side to accomodate the shift of the engine in the same direction.
69 'vert project big block/TKO 600 RR
68 'vert driver RS clone -- gone!