If your going E-REVO diffs, you may want to look at grabbing the bulkheads as well. These are used to mount/hold the diffs in the E-REVO and could help out for mounting points, disregard this if the build thread your going off already has this solved.
http://www.ebay.com/itm/TRAXXAS-PART...4AAOSwAuZX4Db7