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Packages starting from $4695.00. Please email to discuss your application - packages are built to order.

10.00 LBS

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Lotus Elise 2ZZ  Emtron KV8 Standalone ECU Package

Package Contents - (Standard Package for NA cars)

Emtron KV8 ECU

Emtron KV8 ECU mounting bracket

ACE Wire Harness Adapter and proprietary CAN module - (no cutting / splicing)

MAP sensor - 1bar

Bosch Fuel Pressure / Temp Sensor

Bosch LSU 4.9 wideband O2 sensor

Base calibration (dyno tuning after installation needed)


Optional Sensor Package - additional cost for sensors - harness has these flying leads - please contact us directly to discuss your application 

Bosch Oil Pressure/Temp sensor

3.5 BAR Coolant Pressure sensor


Turbo Package Sensor - additional cost - harness has these flying leads - please contact us directly to discuss your application 

Bosch Oil Pressure/Temp sensor

3.5 BAR Coolant Pressure sensor

Continental Flex Fuel Ethanol sensor

Boost Solenoid hook up

TMAP (Charge Pressure/Temp) sensor

5 BAR Exhaust Pressure sensor

Emtron 4 Bar MAP sensor


Product Description

Enjoy Emtron features and functionality in this fully condensed packaged system from ACE Performance.

A true motorsport solution for the 2004-2005 Lotus Elise.  The Emtron plug n play solution offers industry leading configurable motorsport traction control.  The package is flexible to handle both NA and forced induction engine set ups.

The Emtron ECU is all motorsport grade hardware and good to temperatures up to 120C (248 degrees) so the ecu can stay in the factory location and does not need to be relocated. 


Factory Speedometer, odometer, fuel level, coolant temp, check engine light, and RPM gauges work with the package thanks to our proprietary can integration device - expansion for a CAN gauge or motorsport dash is easy with the provided CAN expansion plug.

Support for nearly all factory sensors/components/outputs unlike other systems (see details below).  Electric throttle, VVT, MAP, CAN BUS integration (see below), and more. Utilizing the open and unlocked flexible Emtron platform that offers real support anywhere in the world though its world class dealer network.





Plug in style installation

  • Install ECU, and ACE Wire Harness adapter / can module in factory ECU Location

  • Install MAP sensor with vacuum reference 

  • Install Fuel Pressure/Temp Sensor

  • Install new Bosch LSU 4.9 Oxygen Sensor

  • Configure ECU for first start up (using ACE start up guide)

  • Tune engine

  • Install optional extra sensors (recommended - optional)

    • Sensor inputs - ie. Fuel Pressure, Ethanol Content

    • CAN expansions (EGT, EIC, Dash/Data Logger)

Customizing Installation  

All crucial factory inputs and outputs are supported and connected via ACE Wire Harness adapter.  

Using the KV8 ECU, allows for plenty of I/O open for expansion.  


CAN BUS Support

Emtron ECU system supports two separate CAN networks.   

CAN Channel 1

This network is dedicated to Emtron expansion devices, dash loggers, and other Motorsport systems.  It is pre-configured and pre-wired to connect directly to the Emtron expansion devices like ELC2 Dual CAN Lambda Controller, Emtron EIC10 Input Expander, and more.  The connection can also further be utilized to connect to motorsport dash systems and other motorsport devices.  

Termination for this bus is facilitated via an external resistor that can be unplugged and used to easily expand to other CAN devices.  

CAN Channel 2

This is connected to the factory vehicle network thru the ACE CAN module.  This drives some of the factory instrumentation for the Lotus Elise platform.  Advanced motorsport functions in the Emtron ECU platform are fully unlocked and available for complete configuration on demand.  

This network also is flexible as you can export comprehensive data to a data logger on this network as well if needed.


Supported features 

  • Check Engine Light

  • Coolant Temp 

  • Fuel Level

  • Factory Speedometer / Tach and Odometer

  • Shift Light


Unsupported features

  • Factory Oxygen Sensor (replaced with Wideband Bosch 4.9 sensor)

  • Cruise Control (future update possible)



  • Wideband Oxygen Sensor input with Short and Long term adaptations

  • Individual Cylinder Knock detection with Short and Long term adaptations

  • Calibration slot control (Map switching)

  • Advanced Fuel and Air mass modeling 

  • Closed loop boost control

  • Full E-throttle control 

  • Engine DTC protection/limps/failsafes (pressures, temps, etc)

  • Comprehensive ECU logging (up to 500hz per channel)

  • Launch control, Motorsport Traction control (with G-force compensation) - additional switch hardware may be required

  • Customize CAN transport and receive to expand, data log, display, etc

  • True Flex Fuel function (Variable Stoich) - Requires additional hardware

  • Fuel Pressure compensation - Requires additional hardware

  • True closed loop Sequential Gear Cut/Gearshift control - Requires additional hardware


ACE Performance products are sold for off-road use only. All performance modifications and installations are at the customers own risk. ACE Performance Products LLC or hold no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket products. Items sold for off-road use only are illegal in many states and are intended for racing vehicles which may never be used on a public road.

By purchasing any aftermarket product, the customer takes full responsibility for any use, and/or misuse of the product and agrees that ACE Performance Products LLC or holds no responsibility for any consequences, legal, or other, of such use and/or misuse.

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Shipping & Returns

Returns Policy
If you are not satisfied with any purchase made with Ace Performance, notify us within thirty-six (36) hours of receiving the package. Items may only be returned if they differ from what you ordered (ie. we shipped the wrong part to you) or you suspect there may be a defect with an item. Fitment issues (ie. you ordered the wrong part) are not a valid reason to return an item, and no refund requests due to fitment issues will be honored. To return an item incorrectly shipped to you, or that you believe to be defective, you must obtain a Return Merchandise Authorization Number (RMA #). The goods must be returned within ten (10) days in the same condition and in the original packaging. If the merchandise is damaged, or not in the original packaging, or no valid RMA # appears on the outside packaging, no refund will be forthcoming and you own the original purchase. The customer will be responsible for all shipping charges.

Electronic items are subject to engineering inspection prior to a refund being issued. All electronic items are carefully tested and inspected prior to sale. All items sold by Ace Performance are new unless otherwise specified.

If you believe a product you receive from Ace Performance has any defect, please contact us immediately. In the unlikely event that any issue should arise with your purchase, we are very motivated to locate and resolve the cause of the problem. If a manufacturing problem has occurred, we will investigate the part once it is returned to us, and then check with the manufacturer. If a defect is determined, the defective part will be replaced at no additional cost to you, or if you prefer, we will provide a full refund.

We ship throughout the US. Note that there are restrictions on some products, and some products cannot be shipped.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.