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MS3Pro GNX ECU
MS3Pro GNX ECU
MS3Pro Buick Grand National Plug and Play ECU for 84-87 Buick Turbo
AMPEFI MSPNP Dashboard and Gauges
William Avila's Buick Grand National running MS3Pro PNP Standalone ECU Engine Management System - Burnout
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MS3Pro Buick Grand National Plug and Play ECU for 84-87 Buick Turbo

Buick 84-87 Grand National/GNX MSPNP-Pro

5 out of 5 based on 1 customer rating
(1 customer review)

From: $1,149.99

SKU#: MSPNPPro-GNX8487

Options Selection

Select Options Below:



Serial Adapter Options

Wideband Options

Air Temperature Sensor Options

Fluid Temperature Sensor Options

Pressure Sensor Options

Electronic Boost Control Options

Description

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

EPA, CARB & Emissions Disclaimer- All ECU's are for race purposes only. It's your responsibility to remain in compliance with all federal, state, provincial, or other laws that apply to you.