Tech Information

Truck Rear Axle Kits

Your leading source for Chassis!  47-55 Chevy Truck, Rear Axle Relocation Kit Converting the 47-55 Chevy trucks from an enclosed drive shaft rear end to the modern open drive shaft rear end always posed the problem of the rear end not being centered in the wheel well. This would happen because the spring center bolt more…

U-bolts

Vacuum Pump Detail

A – Vacuum hose B – *Check valve connects manifold to port on vacuum pump C – Optional Muffler D – Intake port E – Exhaust port F – Ground wire G – Positive wire (connect to vacuum switch) H – Optional mounting hardware I – Bolts and washers J – Insulation washers K – more…

Popular Splines and Double D applications

Custom Fuel Tanks

These tanks are made to fit between the frame rails, in the rear of the truck, behind the rear axle. Most tanks will fit in with no frame modifications. Some trucks have a small crossmember that was in place to balance the spare tire. This has to be removed. Installing a tank is easier with more…

Cross Shafts

Your original Cross Shafts are to be used. You must grind off 1/8” on each side and radius edges as shown. This only has to be done on one side of each shaft. This will allow shaft to pass thru loop on the A-frame.

No or Low Pedal Testing of Prop Valve

  No or Low Pedal Condition Testing of Combination/Proportioning Valve STOP! Bleed master cylinder before installation. Use supplied kit enclosed. Using test light, attach clip to a positive and touch the point of the tester to the electrical connection of the combination valve. If NO light goes on, the valve system is operating correctly. No further more…

Wheel Alignment Definitions

Traction Dimensions

Torque Specifications

Technical Brake Information

A) Stop! Always Bleed Master Cylinder Before Installation. B) No or Low Pedal Condition. Testing of Combination/Proportioning Valve Using the test light, attach clip to a positive and touch the point of the tester to the electrical connection of the combination valve. If NO light goes on, the valve system is operating correctly. No further more…

Tap Drill Sizes

Gear Ratio Equations

Brake Cable Layout

Diagram for brake cable layout.

1957 Chevy IFS and Disc Brake Install

Upgrading 1957 Chevrolet Front Suspension The Tri-five Belair design has stood the test of time with a beautiful and sought after body that most of us gear heads drool over. The bottom line is, that the old brakes and suspension don’t have the same chances. The folks over at hotrod.com know that POL provides the more…