Everybody has an opinion but if it were me, I would take that transfercase side mount off and throw it in the trash, especially if you are pumping any respectable power out of the engine. Those side mounts are only good for breaking trans to tcase adapters and cracking bellhousings on automatic trans equipped rigs.
Recent thread on this same topic.
http://67-72chevytrucks.com/vboard/s...d.php?t=491001