Here's my scenario:

I Have a Bass Part that has Arps Assigned to it. How do I change the type of Bass without changing the Arps?
When I change the Part from Bass Synth to Acoustic Bass I get different Arps. On Motif I could specify that i wanted a new voice without parameters and all the Arps would remain the same. Is there a way to do the same with Montage?

Never Mind

Found the Param. With Part buttons on bottom of Search screen. Works as I needed .