[suicideneil]

For the FLM chassis you could mount it directly to the centre skid, using the supplied template to mark where to drill. For the Gmaxx chassis, you definately will need the bottom mounting plate to attach it to the chassis rails, otherwise it will have to go on the battery plate, making it sit really low- good for the CoG, bad as you'll need to notch the X-braces most likely, and probably mod the rear upper plate for the motor to fit, unless you use a rather short item.

Need Mike's input indeed....