You can use on the adapter a full 060, but you need a modified kickstart ROM with Exec.library.
I think Cosmos can help you with it.
Thank you (and Thomas) for the education.
The owner of the company I used to work for that built 68K based systems died as we were readying a 68030 model.
The jump from the '020-'030 cpus to the '040-'060 cpus is pretty complicated.
I'd already seen beta copies of Win 3.0 (from IBM) before we closed shop, so I felt kind of doomed anyway.
Nothing like realizing that market domination was going to result in an inferior system becoming the standard.