Brands Hatch Performance Limited
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Link Engine Management - Link ECU - Link G4+  ATOM ECU - Brands Hatch Performance

Link ECU G4+ Atom II 2 Wirein ECU & Loom Kit Bundle, Pinto, Zetec, Duratec etc

£750.00 £985.00

No other company will look after you like Brands Hatch Performance! When looking to buy a new Link ECU, we will be with you every step of the way; Sales, installation, Tuning, after-sales & upgrades.
Massive stocks so you won’t be left waiting for parts or cancelling race day.
Pre and Post sales support - with our expert knowledge we will help you decide which ECU and accessories are best for you
Once you purchase them we will be there for you every step of the way with as little or as much help that you need to get the equipment installed and tuned.
Even if you try to fit your ECU and fail we offer a flat fee fix service where we will fix any problems you have and also explain where you went wrong, so you get a great learning experience and a working installation.
Available Monday - Friday 9am-5pm by Phone - After Hours on Facebook or Via Email.
Decide you should have purchased an ECU with more features?
1 Month -Upgrade for the price difference!
6 Months - Upgrade for the price difference +15%
1+ Year - Upgrade for the Price difference +35%
Previous Generation - Upgrade for 60% of retail.
Lifetime Warranty - unlike most other ECU’s your ECU is protected from failure for life.
0% Interest Free Finance Available - 01474850666 for more details

Link G4+ Atom II ECU:

The Link G4+ Atom II is Link Engine Management entry level ECU but Blows the Opposition Away. Its Half the Size and All the Technology; designed to IP67 standards making it dust and Waterproof! The Atom II ECU Runs the same microprocessor & firmware as the Link G4+ Xtreme. It is fully configurable with no preset Inputs / Outputs, has 32Mb of  Logging Memory, Motorsport Ability and even closed loop fuel if an external device is added e.g Wideband controller.  

Ideal for Ford Pinto , Zetec, Duratec etc

The Atom II ECU is Supplied with a 34 pin Waterproof Connector, 34 pin A Plug , mounting bracket, USB tuning cable, 100M Loom Wire & Link Stickers 


Engine Configurations:

2-12 Cylinder Distributed

2-8 Cylinder Wasted Spark

2-4 Cylinder Direct Spark

Odd Fire Engines

2 Stroke Engines

Configurable Firing Order

Configurable TDC Points (for odd Fire)


2 x Digital Inputs (e.g Vehicle Speed & Logging Switch etc)

2 x Temperature Inputs  (e.g Water & Inlet Air Temperature etc)

3 x 0-5V Analog Inputs (e.g Oil Pressure etc

2 x Trigger Inputs


4 x High Current Injection Drives

4 x Ignition Drivers

4 x Auxiliary Outputs(e.g Fuel Pump , Fans , Boost control , 02 Heater etc)

+5V Sensor Power Supply

*Unused ignition drive can be used as auxiliary outputs


1 x CAN Bus

1 x Thirty Four pin Waterproof Connector

1 x USB tuning connection


Onboard Barometric Pressure Sensor

32Mb (4 MByte) of logging memory

20 general purpose tables

Runs on PC Link software

Fuel Adjustments:

Up to 440 Zone fuel table with configurable load and RPM centers

Configurable X & Y Parameters

Multiple Fuel tables

Up to 6D Fuel Mapping

Injection Rate

Master Enrichment

Pre Crank Prime

Post Start up Enrichment

Warm up  Enrichment

Acceleration Enrichment

IAT Fuel Correction

Injector Deadtime Compensation

Overrun Fuel Cut

Idle Load Trims

Fuel Temperature Correction

Ignition Adjustments:

Up to 440 Zone Ignition table with configurable load and RPM Centers

Configurable X & Y Parameters

Crank Dwell Extension

Maximum Advance

AFR Table Correction

Spark Duration

Beginning / End Injection Definable

Dwell Time Table - Configurable X & Y Parameters

Individual Cylinder Trim

Individual Cylinder Tables

Multiple Ignition Tables

Up to 6D Ignition Mapping

Individual Cylinder Ignition Trim

IAT Trim Voltage Correction

ECT Trim

OEM Compatibility

CDI Compatibility


Engine Temperature Dependent Progressive Limiting

Vehicle Speed Limit

System Voltage Limit

User Configurable RPM Limit Based on external input


Digital Trigger Decoding

Reluctor, Optical Proximity or Hall Sensors

Programmable filtering and arming thresholds

Configurable trigger patterns or preset triggering options

Supports nearly all OEM trigger patterns and custom trigger arrangements

Auxiliary Output Options:

Each output independently configurable

Unused ignition outputs available as auxiliary outputs

General Purpose Output

General Purpose PWM

Closed Loop Idle Speed Control (solenoid only)

Fuel Pump

Fuel Pump Speed Control

Engine Fan

Air Con Clutch

Air Con Fan

Intercooler Spray


Check Engine Light

Purge Solenoid

Oxygen Sensor Heater

Switched Cam Solenoid

Analog Inputs:

Each Channel Independently configurable with preset or custom calibrations

Wideband 02 from an external controller

Boost Adjust signal

Configurable fault detection settings

Voltage 0-5V

Pyrometer from external controller e.g EGT

Throttle Position

Pressure - Fuel , Oil etc

Air Flow Meter

MAP (External)

Temperature ( Coolant, IAT , General purpose)

Narrow Band 02

Boost Control:

Engine Temperature Correction

IAT Correction

Multiple Boost tables

External Adjustment

Idle Control:

Reliable and accurate user configurable closed loop control

2 Wire Idle Control (Cosworth)

Aircon, Engine Fan or Power Steer Idle Up

Open Loop Control Mode for Diagnostics


Internal Temperature Range -10 to 85C

Ambient Temperature Range -30 to 90C

Voltage 8 - 22V

Operating Current 200mA

Electrical Protection on all inputs and Outputs

PCLINK Software:

Adjust ALL parameters in real time

Mouse or Keyboard operation


Quicktune - Automated Fuel Self tuning

Logging Analysis

Diagnostic information

Built In Help

Definable Screen Layouts

View Over 300 Possible Runtime Parameters


Length - 79mm

Width - 126mm

Height - 42mm

Weight -  360 grams

Connector - 34 Way Pin Waterproof Automotive

Manufacturing Standard:

ISO 13485

Link Engine Management have a limited lifetime warranty- There are no tricks, no catches; if its breaks in the normal course of its designed use then we will repair or replace no questions asked… :) All Link ECUS are 100% designed, developed & tested in New Zealand.

Brands Hatch Performance install and map ECU's every week, and Link have our full approval, One of the Most Advanced entry Level ECU's on the market with one of the best support networks out there.

We can also make or part make looms to your requirements.

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