so to upgrade to a better faster car, what do i have to buy? u metioned alot of good sutff can u jsut list it here for me so i can look them up on tower to start my pricing to figure out what ill need to buy thakns for the help ( jsutliek lsit the things i need to upgrade when i upgrade the motor to the 300 motor) also what company makes a good 300 motor? thaks