GMHighTechPerformance Homepage

0504htp Truck 07 Z

Up front, 4x4s and some 2WDs use torsion springs in lieu of coil springs. The torsion spring suspension is preloaded with a key that is sometimes referred to a "pork chop". The key uses a bolt to change its clocking relative to the axis of the spring, which changes the preload on the spring and consequently raises or lowers the front of the vehicle.
2004 Chevy Silverado - Silver Autocross

 Up front, 4x4s and some 2WDs use torsion springs in lieu of coil springs. The torsion spring suspension is preloaded with a key that is sometimes referred to a "pork chop". The key uses a bolt to change its clocking relative to the axis of the spring, which changes the preload on the spring and consequently raises or lowers the front of the vehicle.  View Related Article

 

 

Get Adobe Flash player

Car Research Guide