pretty simple, really .. take off rollcage and 2 tranny screws on bottom of motor plate, remove one plate, remove screws from rear suspension on other side.
remove and replace dogbone and plate, and screw it down loosly
flop truck over and remove and replace other plate, switch fuel tank brakets ant throttle arm bracket, and exhaust
tighten up all the screws and bash away. no need to even remove motorplate
if it was just an X, its even easier cause you can remove a plate, replace and tighten the screws all at one time then do the other side.
if you dont mess with the motormount plate, you shouldnt have to re-adjust the bellclutch/spurgear mesh