Vertical Body Zero Line

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The vertical body 0 line is a line drawn through the frame either at the forward or rearward torque box area of the frame.

Fig 1: Vertical Body Zero Line

Courtesy of GENERAL MOTORS CORP.