Originally Posted by SRT6_Roadster
You have to drain the liquid out of the mounts anyway so I am sure the existing mounts will be fine to fill with poly.
My mounts were split into 2-pcs when I replaced them around 68k mi w/ maybe 30 runs at the dragstrip. Definately NOT refilable at that point. However, my aftermarket warrantee paid for them and the tranny mount.
Cableing the motor sounds like a good plan though...