Upgraded Lightweight Driveshaft Assembly | Legend CarOver the years we have been faced with the question that almost every balancing machine available raises. How fast is the driveshaft balanced for? Most balancing machines are very efficient in doing the job that they are designed for, as long as they are calibrated and working properly. Instead of actual shaft speed, they rely on sensors that detect the weight centerline of the part being spun. This means that when the shaft is spinning, the machine