Dirt Late Model Rear Suspension

In summary, the purpose of the rear suspension in a dirt late model is to control movement and weight transfer of the rear wheels, provide traction and handling on the track. Its main components include the rear axle, control arms, shocks, springs, and sway bar. The rear suspension affects the handling of the car and can be adjusted by changing spring rate, shock settings, and sway bar stiffness. Regular inspection and maintenance of the rear suspension is important for optimal performance on the track.
  • #1
chop6259
6
0
I am trying to do a suspension position analysis on a floating solid axle four bar rear suspension for a dirt late model. I want to find the lateral position of the axle and the fore/aft position of the axle center-lines at each birdcage as a function of left & right rear shock travel positions. The suspension system uses indexing birdcages and a left mount j-bar set-up. Has anyone already done an analysis like this?
 
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  • #2
welcome chop
may i suggest you read post # 301 on race car suspension class in this forum

rm
 

1. What is the purpose of the rear suspension in a dirt late model?

The rear suspension in a dirt late model is responsible for controlling the movement and weight transfer of the rear wheels. It also plays a crucial role in providing traction and handling on the track.

2. What are the main components of the dirt late model rear suspension?

The main components of the dirt late model rear suspension include the rear axle, control arms, shocks, springs, and sway bar. These parts work together to absorb impacts, control movement, and provide stability on the track.

3. How does the rear suspension affect the handling of a dirt late model?

The rear suspension has a significant impact on the handling of a dirt late model. A properly tuned suspension can improve traction, cornering, and overall performance on the track. It also helps to prevent the car from becoming too loose or too tight while racing.

4. What are some common adjustments made to the rear suspension?

Some common adjustments made to the rear suspension of a dirt late model include changing the spring rate, adjusting the shock compression and rebound settings, and changing the sway bar stiffness. These adjustments can help fine-tune the handling of the car for different track conditions and driver preferences.

5. How often should the rear suspension be inspected and maintained?

The rear suspension of a dirt late model should be inspected and maintained regularly, ideally before and after each race. This includes checking for any wear or damage to components, lubricating moving parts, and making necessary adjustments. Regular maintenance can help prevent costly breakdowns and ensure optimal performance on the track.

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