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In circle track racing, the steering shaft is a crucial component connecting the steering wheel to the steering system, enabling precise control over the vehicle. The intense demands of circle track racing require a steering shaft designed for high performance, durability, and safety. Street Stock and Modified racing classes each have unique needs regarding steering shafts due to differences in vehicle setups and racing conditions. Choosing the right steering shaft can significantly impact a racer's performance and safety on the track.
Factors To Consider When Choosing A Circle Track Steering Shaft
When selecting a steering shaft for circle track racing, there are several critical factors to consider:
- Material Strength and Durability: The steering shaft must withstand the rigors of racing. Opt for high-quality materials, like chromoly or steel, which offer superior strength and resistance to bending or breaking.
- Compatibility with Your Vehicle: Ensure that the intermediate steering shaft is compatible with your vehicle's make and model, whether it's for Street Stock or Modified classes. The steering column shaft needs to fit precisely to maintain reliable steering control.
- Adjustability and Flexibility: A racing steering shaft that allows for adjustments can provide more flexibility in achieving the best driver position and comfort. Look for shafts with adjustable lengths or quick-release features.
- Safety Features: Safety should be a top priority. A collapsible steering column and a shaft collar to limit upward movement are essential safety features that protect the driver in the event of a collision.
Steering Quickeners
A common modification in circle track racing is adding a steering quickener. The stock steering box's ratio is often too slow for the quick maneuvers required on the track. The steering quickener is installed between the steering wheel and the steering gear box, enhancing the responsiveness of the steering system.
Cost-Effectiveness: Adding a steering quickener is generally more economical than purchasing a modified steering box with a faster ratio, making it a popular choice among racers.
Types of Steering Quickeners: Dirt track racers typically opt for a 2:1 steering quickener for faster response on short tracks, while asphalt racers prefer a slightly slower 1.5:1 ratio for better control.
Collapsible Steering Columns
Collapsible steering columns are recommended for all racing vehicles to enhance driver safety. A collapsible steering column minimizes the risk of injury by collapsing upon impact, reducing the force transmitted to the driver. It's also essential to include a shaft collar on the steering column shaft to prevent it from moving upward toward the driver in a crash.
Quick-Release Steering Wheel Hub Adapters
Quick-release steering wheel hub adapters are a must-have for circle track racers. These adapters make it easier for drivers to enter and exit the vehicle quickly, especially in emergency situations. They come in SFI-rated and non-SFI-rated versions, available in both splined and weld-on types to suit various applications.
Steering Heim Joint / Rod End Support Bearing
The steering heim joint or rod end support bearing is responsible for securing the racing steering shaft in place and preventing it from moving excessively. These joints should be bolted to a custom-made bracket for optimal support. Make sure to use a heim joint designed specifically for steering applications; these are oversized to allow a proper fit and ensure smooth operation. The most common size for circle track applications is 3/4".
Installation Tips
Align the Components Properly: When installing the intermediate steering shaft and related components, ensure that they are aligned correctly to prevent binding or excessive wear.
Torque Settings: Follow the manufacturer's torque specifications for all bolts and fasteners. Over-tightening can damage components, while under-tightening can lead to loose parts and potential failures.
Check for Clearances: After installation, check for proper clearance around the steering column shaft to ensure no interference with other components, such as headers or suspension parts.
Regular Inspections: Conduct regular inspections of the steering shaft, steering column shaft, and other related parts to identify wear or damage before it becomes a safety concern.
Choosing the right steering shaft for your circle track race car is essential for both performance and safety. By considering factors such as material strength, compatibility, adjustability, and safety features, you can find the ideal steering solution for your specific racing needs. Whether you're racing in the Street Stock or Modified classes, investing in high-quality components like a racing steering shaft, intermediate steering shaft, and steering column shaft will help you gain an edge on the track and keep you safe during competition.
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