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A procedure to make the necessary measurements and
formulas to calculate the vehicle longitudinal, lateral and
vertical position of the center of gravity can be found in
the GM Coachbuilders Manual. Equipment required to
conduct the measurements for calculating the center of
gravity are:
.
Weight scales of sufficient capacity to measure the
vehicle weight at each wheel.
.
A post‐type hoist or other means to safely elevate
the front of the vehicle to at least an angle of
20 degrees above horizontal.
See your GM dealer to get more information about this
coachbuilder procedure.
Keeping the center of gravity midway between the axles
is also important to provide proper braking performance.
About half the total vehicle weight on each axle is
recommended.
Weigh your vehicle after the additional equipment has
been installed to determine the actual weight of your
vehicle. Weigh the vehicle with a full tank of fuel and
without passengers. You may need to put a limit on how
many people or other equipment you can carry inside
your vehicle after the additional equipment has been
installed.
Loading Zones
A. Front Floor to Roof
Zone Area
B. Front Roof Zone Area
C. Back of Front Door
D. Rear Roof Zone Area
E. Rear Floor to Roof
Zone Area
F. Ground
5-4