Braking System and Rear Axle Configuration
At 3:36 in
NASCAR Classic Series FIRST Race: Vintage Stock Cars Officially Home! (VIR Road Course)
What happens here
The braking system for the car incorporates rotors that are similar in size and style to those historically used at tracks like Martinsville. However, the calipers are newer versions, reflecting advancements in brake technology over time. The rear end is crucial for road course performance, so a specialized road course housing is utilized, featuring approximately 1.5 degrees of negative camber on each side. This setup, often found in 'short track' configurations, improves cornering grip and stability. Additionally, a small amount of toe-in (around 1/8 inch total) is set in the rear for further stability.
Goal: Optimize braking performance and rear axle geometry for road course conditions.
Tools and materials
- Brake Calipers — Squeezing brake pads against rotors to create friction
- Brake Rotors — Primary braking surface for heat dissipation and friction
- Road Course Rear End Housing — A specialized rear axle assembly with built-in or adjustable negative camber
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