Hotchkis 80390 TVS System, Stage 1, 67-72 C-10 Small Block, 4'-6' Drop, 2WD - Manual (Page 53)

1R
Raising Car
Raise the vehicle using a lift or floor jacks at the rear frame points. It is important that you do
not jack up the truck from the rear end differential. Use chocks for the front wheels. Raise
the rear of the vehicle until the rear wheels are barely touching the ground. It would be a
good idea to place jack stands under the frame for safety.
2R
Disconnect Rear Shocks
In order to get the springs out we must disconnect the rear shocks from the trailing arms
(Truck Arms) to allow them to droop down enough. Disconnect the lower shock nut located
on the truck arm bracket. You may need to play with the height of the floor jack to relieve
any pulling load the rear end may have on the shocks. To relieve any load on the coils, raise
the floor jack until the rear wheels are barely off the ground
3R
Remove Rear Spring
Each spring has a top and bottom retainer. Undo the bolts that secure these retainers. The
spring should be loose and free from the truck. Keep retainers for reinstallation.
Installation of Rear Coils