I bought an rc8 that came with a radio and electronics and was using it and the buggy went out of control for no reason while I was using it. The batteries were fresh in both radio and reciver. I tried making sure everything was snug put new batts everything seemed ok till I fired up the engine and gave it a rev and it went wide open (while I was still holding it). The throtle servo was going crazy while the the engine was running. So I bought a new 2.4ghz radio, reciver and a new throtle servo and gave it a test. Everthing seemed ok, I fired it up gave it a rev it seemed ok. I ran it in a few circles around me then decided to drive it down the alley. Once it got around 100'+ or so away it had no response and was wide open and crashed back and forth on each alley wall before flipping. So I replaced the batteries in the car, reciver is new, new radio, throttle servo what is going on here? I am so confused and frustrated, I have broken $100 dollars in parts it two crashes. Any ideas please throw them out there.