RE: changing motor mounts
Plug the old holes drill new ones, easy job. To install new blind nuts I drill a hole into the end ofa cut off threaded rod or boltof the correct diameter andsolderto a piece of wire and then thread the blindnut on the end.Fishthe wirethrough the holes in the firewall and then slide a nut down onto the threaded rod and tighten it up pulling the blind nut into the firewall.