The MSD 6632 is a high-performance digital ignition control module designed to enhance the ignition system in a wide range of automotive applications. This 6-Series ignition control is engineered to deliver powerful, consistent sparks for improved engine performance and efficiency.

Technical Specifications

• Manufacturer: MSD Performance
• Part Number: 6632
• Type: Digital Ignition Control
• Voltage Output: Up to 460+ volts
• Amperage Output: 135mJ per spark
• Multi-Spark: Yes, up to 3,000 RPM
• Rev Limiter: Built-in, adjustable
• Tach Output: Yes
• Operating Range: Up to 12,500 RPM
• Compatible Coils: MSD Blaster 2, 3, or equivalent
• Dimensions: 8.25" L x 4.25" W x 2.25" H
• Weight: Approximately 2.5 lbs

Key Features

1. High Voltage Output: Delivers over 460 volts to the spark plugs for increased ignition energy.
2. Capacitive Discharge: Provides full energy output even at high RPM.
3. Multi-Spark Technology: Delivers multiple sparks per ignition cycle up to 3,000 RPM for improved combustion efficiency.
4. Built-in Rev Limiter: Adjustable RPM limit to protect the engine from over-revving.
5. LED Indicator: Shows when the module is powered up and when the rev limit is reached.
6. Easy Installation: Designed for simple installation in a variety of vehicles.
7. Weatherproof Construction: Sealed housing protects against moisture and contaminants.
8. Compatible with Both Points and Electronic Distributors: Versatile for use with various ignition setups.

Applications

The MSD 6632 is suitable for a wide range of vehicles, including:

• Performance Street Cars
• Drag Racing Vehicles
• Circle Track Racing Cars
• Off-Road Racing Vehicles
• Marine Applications

Installation

While professional installation is recommended, key steps include:

1. Mount the module away from extreme heat sources.
2. Connect to a clean 12V power source.
3. Properly ground the unit to the engine block or chassis.
4. Connect to the distributor or crank trigger pickup.
5. Wire to the ignition coil (MSD Blaster 2, 3, or equivalent recommended).
6. Set desired rev limit (if used).

Detailed installation instructions are provided in the product manual.

Tuning and Adjustment

The MSD 6632 offers several tuning options:

• Adjustable rev limiter (in 100 RPM increments)
• Two-step rev control capability (when used with MSD 2-Step Module)
• Compatible with MSD Timing Controls for advanced ignition timing management

Maintenance

The MSD 6632 is designed for minimal maintenance. However, periodic checks should include:

• Inspection of all wiring connections
• Verification of proper grounding
• Checking for any signs of physical damage or heat stress

Compatibility

While designed for wide compatibility, it's essential to verify fitment with your specific vehicle make and model. The MSD 6632 works with most factory and aftermarket distributors, including:

• Points-style distributors
• Electronic distributors
• Magnetic pickup distributors
• Most OEM computer-controlled distributors