my revo 3.3 was constantly broken replaced the motor 3 times in a month after the break in period the piston would come apart. shattered the drive shaft a fews times. the a arms were destroyed many times. the shocks were bent in the first 15 min of me owning it. my old emaxx was a absolute tank dropped it 30 feet on to my driveway it scuffed the body thats it