I find that the MG10 TR is a great truck! So is the MG16! I went on ahead and made it faster by adding an HPI Firestorm .18 engine onto it. I had to use a Tower Terror flywheel, and clutch bell and a little chassis work for flywheel clearance. The orignal CEN .15 is a good engine for a beginner to learn on; but I needed the extra SPEED for the Fun Factor. I have had no problems with the new CEN composite plastic design.