[Terrysch]

Finishing my last post. Had a PC problem and had to reboot.

Not everyone understand the purpose, function of the rocker boxes.
The are what Pete correctly called them. They are really torsion boxes.

They are for adding torsional rigidity to the outsideareas of the Blazers/Jimmys vehicles when the top is removed and the Blazers/Jimmys are used as convertibles. Ouside of the central main frame. Frame still does this in the center of these vehicles.

Some people believe that you do not need them if you have a rollover bar assembly. This is not correct.

Because the torsion boxes connect between the A pillar and the B pillar wall area, and then further back under the bed in these vehicles.

The roll bar assemblies do not connect to the A pillar area. In fact they do not even connect to the B pillar area. They are in the wrong locations in these vehicles to replace the torsional rigidity function of the rocker boxes.

Terry