hi mate have i rolled my savage yet you betcha but i do have a rollcage that bolts onto the body shell iknow it may seem a bit flimsey and weak but its stronger than you think but yeah it protects the head and the pricey supercharger.
i have also added extra wide wheels on my savvy to give more stablity and it works a treat(now it dont roll over on bends but balances on 2 wheels) and i tell you savage owners you should defintley buy a metal geared servo for your steering the responce is excellent have look on ebay you can buy a tower pro (who?) for £10 new and i aint had no problems with it yet
But if your having problems with your stability going round corners then guess who does a rear wheel steering conversion for the savage yep the same people who make the superchargers (rb innovations) and if you want EVEN more power from your nitro engine these people also do a nitros oxide kit aswell (man!! rb innovations should be paying me) but you will have to start up another forum to find out if they are any good because i have run out of dollars to buy more gear