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Description
The Speedhut 2-5/8" 10K RPM Shift-light Tachometer (R25-TC4-REV) is an essential instrument for drivers seeking accurate and immediate engine speed information. Designed with a bright internal shift light, this tachometer allows for enhanced performance monitoring, ensuring optimal gear changes to maximize your engine's power output. Its robust construction guarantees reliable pointer precision, even under demanding driving conditions. Calibrated for seamless operation with any gas engine utilizing a tach signal over one volt, this gauge offers wide compatibility across various vehicles with 1 to 12 cylinders. The straightforward installation process, coupled with the included mounting ring and wiring harnesses, makes it a valuable addition for achieving peak engine efficiency and responsiveness.
KEY FEATURES AND BENEFITS:
- Precise RPM Monitoring: Provides accurate real-time readings of your engine's revolutions per minute up to 10,000 RPM.
- Integrated Shift Light: Features an intensely bright internal shift light that can be calibrated to alert the driver at optimal shift points, improving performance and preventing over-revving.
- Broad Engine Compatibility: Works effectively with any gas engine that has a tach signal exceeding one volt and supports configurations from 1 to 12 cylinders.
- Adjustable Calibration: Offers flexible calibration from 1/2 pulse to 6 pulses per revolution, ensuring compatibility with various ignition systems.
- Reliable Performance: Engineered to maintain pointer precision even in challenging racing environments.
- Easy Installation: Designed for straightforward mounting with the included ring and comes with necessary wiring harnesses for connection.
SPECIFICATIONS:
- Gauge Type: Tachometer
- Range: 0 - 10,000 RPM
- Size: 2 5/8 inch
- Hole Size: 2.67 inches (68mm)
- Internal Shift Light: Yes
- Tachometer Signal Type: Standard spark plug ignition systems
- Compatibility: 1-12 cylinder gas engines (tach signal over one volt)
- Included:
- 3 ft Power & Lighting Harness (for LED Lit Gauges and Clocks)
- 8 ft Tachometer Harness (for LED Lit Gauges with a 1 Wire 2 Pin Connector)
- Gauge Mounting Ring
HOW TO USE:
- Mount the Gauge: Secure the tachometer in the desired location using the included mounting ring. Ensure the 2.67-inch (68mm) hole size is appropriate.
- Connect the Power and Lighting Harness: Attach the 3 ft Power & Lighting Harness to the designated terminals on the back of the tachometer. Connect the power and ground wires to your vehicle's electrical system according to the harness instructions. This harness also powers any LED illumination of the gauge.
- Connect the Tachometer Signal Harness: Connect the 8 ft Tachometer Harness to the designated signal terminal on the back of the tachometer. The single wire end of this harness needs to be connected to the tachometer signal output from your vehicle's ignition system (typically the negative side of the coil or a designated tach output).
- Calibrate the Pulses Per Revolution (if necessary): Depending on your engine type (number of cylinders), you may need to calibrate the tachometer. Refer to the Speedhut instructions for setting the correct number of pulses per revolution (from 1/2 to 6) to ensure accurate RPM readings.
- Set the Shift Light: If desired, calibrate the internal shift light to activate at your preferred RPM for optimal gear changes. Follow the Speedhut instructions for setting the shift light threshold.
- Test the Operation: Start your engine and observe the tachometer reading to ensure it is displaying the correct RPM. Verify that the shift light activates at the set RPM.
BENEFITS OF USING THE SPEEDHUT 2-5/8" 10K RPM SHIFT-LIGHT TACHOMETER (R25-TC4-REV):
- Provides precise RPM readings that improve engine management and help avoid over-revving.
- Enhances driving performance with an integrated, high-visibility shift light for timely gear changes.
- Improves fuel efficiency and engine protection through accurate performance monitoring.
- Supports a wide range of gas engine configurations, ensuring versatile vehicle compatibility.
- Offers a user-friendly installation experience with all essential components included.
FEATURES:
- Displays engine speed up to a maximum of 10,000 revolutions per minute for accurate monitoring.
- Incorporates a high-visibility internal light that signals the ideal moment for shifting gears.
- Designed to function reliably even under the stresses of racing conditions, ensuring consistent accuracy.
- Can be adjusted to accommodate different ignition pulse signals, offering flexibility for various engine types.
- Constructed with a focus on durability and longevity, providing a reliable performance monitoring solution.
- Includes all necessary wiring components for a seamless and hassle-free setup process.
- Features a standard 2 5/8-inch (68mm) housing size for easy integration into common gauge mounting locations.
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