MSPNP-Pro Buick 84-87 Grand National/GNX

Enhance your Buick 84-87 Grand National/GNX with the MS3Pro Plug & Play ECU – a fully standalone, plug-and-play engine management solution designed for easy installation and maximum performance. This ECU is the ultimate choice for serious racers seeking reliable, custom-tuned engine management for off-road and motorsports applications.

Compatibility:

84-87 Buick Grand National MSPNP-Pro ECU supports:

• 1984-1987 Buick Grand National: 3.8L Turbo V6
• 1984-1987 Buick Regal T-Type: 3.8L Turbo V6
• 1987 Buick GNX: 3.8L Turbo V6

Features:

• Fully Plug and Play Installation: No wiring required for basic functionality
  • Average Install Time: Under 1 hour!
• Base Map Pre-loaded: Helps your engine start on the first turn of the key
• Real-Time Tuning & Data Logging: Connect via laptop for easy data monitoring
• 8 GB Internal Data Logging: Includes built-in SD card for easy data storage
• Supports Most Aftermarket Wideband Sensors: Integrates with popular systems for accurate tuning
• Fits Directly in the Stock ECU Pocket: Installs directly into the stock ECU pocket in the kick panel with no extension harnesses required

Fully Tunable Engine Control:

• 16×16 Fuel and Ignition Tables: High-resolution tuning for precise fuel control over fuel and ignition mapping
• Multiple Acceleration Enrichment Strategies: Optimizes fuel and timing for improved acceleration
• Closed Loop Idle Speed Control: Maintains a stable idle under varying conditions
• Air Conditioner Control: Manages AC load based on engine performance
• 6 Sequential Fuel Injector Channels: With individual trim tables for precise fuel control
• 6 Sequential Ignition Channels: With individual trim tables for precise ignition control. Compatible with OEM Ignition System or the MaxSpark PnP High-Performance Ignition System
• Onboard Peak and Hold Injector Drivers: Drives both high and low impedance injectors efficiently, no external ballast resistor needed
• Allows Removal of Stock MAF Sensor: More flexibility in tuning and improved performance
• Use of Factory C3I Ignition or Coil-per-Plug Conversions: Supports both for ignition control
• Torque Converter Lockup Control: Enhances automatic transmission performance

Advanced Feature Set:

• 12×12 Air-Fuel Ratio Target Tables: Use with wideband O2 sensor for precise tuning
• VVT Support: Full factory VVT control for improved timing and performance (requires wiring into the rear options connector if swapping to a VVT motor or head)
• Programmable Voltage Regulator Control: Supports OEM NB alternator and charging system
• Multiple Traction Control Strategies: Add a front wheel VSS for traction control capabilities
• Built-in 3-Step Rev Limiter/Launch Control: Includes flat shift and burnout rev limiter
• Real-Time Barometric Correction: Adjusts for altitude changes during tuning
• Internal 4-Bar MAP Sensor: Reads up to 44 PSI of boost for aggressive tuning
• Overboost Protection: Protects the engine by monitoring boost levels
• Closed Loop Boost Control: Requires EBC solenoid kit for precise boost management (stock boost control solenoid does not allow adjusting boost level)
• Rally-Style Anti-Lag: Boosts performance during launches
• Water Injection Control: On/Off or variable control for optimized performance
• Knock Sensor Input: Adjustable sensitivity, crank angle windowing, and more
• Table Switching Input: Change fuel and spark maps on the fly for different fuels, nitrous activation, etc.
• Flex Fuel Sensor Input: Seamlessly switch between E85 and gasoline
• CANBus Connector: Allows interconnection with other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors, etc.)

What’s in the Box:

• 1984-1987 Buick Grand National MS3Pro Plug and Play ECU
• 6’ Vacuum Hose for MAP Signal and ‘T’ Fitting
• 26 Pin Connector for Options Port with 6″ Wire Pigtail
• M8 Serial Tuning Cable
• TunerStudio Registration Code