Stall Speed Formula:
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The Drag Race Torque Converter Calculator estimates the optimal stall speed for Chevy drag racing applications. It helps racers determine the appropriate torque converter specifications based on vehicle horsepower, weight, and a dimensionless factor K.
The calculator uses the stall speed formula:
Where:
Explanation: The formula calculates the approximate stall speed in RPM by taking the square root of the power-to-weight ratio and multiplying it by the K factor.
Details: Proper stall speed calculation is crucial for optimal drag racing performance. It ensures the torque converter engages at the right RPM range for maximum acceleration off the line and through the gears.
Tips: Enter accurate horsepower and weight values for your Chevy drag vehicle. The K factor typically ranges from 2000-3500 depending on converter design and application. All values must be positive numbers.
Q1: What is stall speed in a torque converter?
A: Stall speed is the maximum RPM the engine can reach with the transmission in gear and the brakes applied before the vehicle begins to move.
Q2: Why is stall speed important for drag racing?
A: Proper stall speed allows the engine to operate in its optimal power band during launch, maximizing acceleration off the starting line.
Q3: How do I determine the K factor for my application?
A: The K factor depends on torque converter design. Consult with your converter manufacturer or use typical values between 2000-3500 for racing applications.
Q4: Can this calculator be used for other vehicle brands?
A: While designed for Chevy applications, the formula works for any vehicle. However, optimal K factors may vary by manufacturer.
Q5: What if my calculated stall speed seems too high or too low?
A: Double-check your input values and consult with a torque converter specialist. Real-world testing may be needed to fine-tune the stall speed.