Actually, Mr. B, brakes are useless in your case. Due to the path of hate and destruction in your wake, the most important control in your truck would obviously be the gas pedal
Yeah, 4G load also includes the side loading from going around the curve, as they continue the braking effort into the curve. F1 only uses 13" diameter wheels, so you know the brakes can't be much over 8" to 10" in diameter. And still achieve that amount of stopping force.
Red