Yes, some mechanics use a spring loaded rod between the steering wheel and the brake pedal. I just have my wife stand on the pedal. Can't stand the thought of marking up the seat or the steering wheel. I balance my own wheels.
The torque spec for Porsche center lock hubs is 600 nm (440 ft/lb) You get a special socket with the car located in a plastic tub behind the frunk. It requires a 4 foot 3/4" torque wrench (SnapOn $789.00) To break the locks you have to have someone in the car standing on the breaks. The hubs actually lock on. They can not unscrew without the special socket which has a plunger in the center which presses in on the lock releasing it.
Using a torque wrench on cartridge screws is critical as the screws (T10 torx in my case) have to be tightened to exactly the same torque or unequal stress on the cartridge body can miss-align the coils in a moving magnet cartridge or the magnets in a moving magnet cartridge increasing crosstalk. I use precisely 0.5 nm.
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