541-942-5920

CalTracs Wheelie Bars

Calvert Racing

 

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The triangulation of the design forces the tire into the ground when pressure is applied to the roller rather than just transferring the load onto the conventional wheelie bar rollers and lifting the rear wheels off the ground.  The more pressure you apply to the roller the harder it pushes down on the axle and tires.
The system allows 2 adjustment points to give a total of 4" up and down.
Because the system applies pressure to the axle rather than unload the axle only one wheel is needed and the car will stay straight and stable.
The contact patch of the upper wheel needs to have a reinforcement plate on the floor pan to handle the load. 3" by 10" 3/16 steel
The spring cushions the load and applies a smooth weight transfer without violent slamming together of the components.
Measure the center to center of the rear springs
 

1. Set the car on the ground

2. Measure on a level plane 24" back from the axle tube.

3. Measure from the floor pan to the ground.

4. Mark the 24" point on the floor pan and weld in a plate 3"x10" to carry the load of the fulcrum or axis wheel (fig 7)

If you car is too short to get the plate at 28" call for instructions

Weld or bolt in plate as shown with the center at 24" from rear of axle tube measured horizontally from rear face of axle tube.

 

 

 

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541-942-5920

 

Caltracs Installation