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Please email to discuss your application - packages are built to order.

5.00 LBS

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The Ultimate 944 Turbo ECU Package

The Porsche 944 Turbo is a top choice for high performance driving enthusiasts, club racers, endurance racers alike.   They are also coveted cars by people who love the styling and the power that can be extracted to make them one of the best driving road cars.  With the platform over 30 years old the electronics and wiring on the car are tired.  As a result ACE has developed a full engine harness that allows for complete replacement of the original factory wiring and allows for the use of modern fast acting sensors.  The Emtron KV8 or SL8 ECU is the hear of the system and allows for total control of the turbo charged engine.

ACE utilizes a Emtron KV8 or optional SL8 engine control system and custom designed engine harness to connect the ECU to the 944 Turbo factory engine.  We have developed a number of solutions to ensure that all systems will operate better than factory.  The ACE 944 Turbo ECU kit unit will come with an ACE supplied base calibration for this system.

Please contact ACE to discuss your application.

Package Contents: (Package is built to order  - on average it will be assembled and shipped 3 weeks after purchase)

Emtron KV8 ECU OR SL8 (Depending on application)

Emtron ELC1 Dual Wideband Lambda Controller (used if SL8 ECU is selected)

Emtron KV / SL mount

ACE Engine Wiring Harness - motorsport grade

Additional Equipment:

1 Bosch LSU 4.9 Wideband Oxygen Sensor

GM 3 bar MAP sensor 

Crank and cam pick up adapters

GM LS ignition coils / Wires

*Please contact us to discuss your application and if you have any questions on if your current hardware to ensure it is compatible*


Product Description:

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

Support for nearly all factory sensors/components/outputs unlike other systems (see details below).  Instrument cluster, Check Engine Light, MAF, Knock control, and more. Utilizing the open and unlocked flexible Emtron platform that offers real support anywhere in the world though its world class dealer network.



  • Professional installation is recommend.  Please contact ACE



  1. Extra open inputs and outputs allow for installation/upgrade to Electric Throttle Control

  2. Extra open inputs allow raw wheel speed sensors to be fitted for speed inputs to utilize launch control, motorsport traction control, and more.  

A special 5V and Sensor Ground plug on the adapter allows analog 0-5V inputs easily to be installed.  


CAN BUS Support:

Emtron ECU system supports two seperate 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 ELC2 Dual CAN Lambda Controller.  Termination for this bus is facilitated via an external resistor that can be unplugged and used to easily expand to other CAN devices.  This location allows connection of other CAN bus friendly devices to expand on this compact package as well, especially with products like Emtron EIC, Emtron EGT, and more.


CAN Channel 2



Unsupported features:

  • Cruise control 


Additional features:

  • 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)

  • Throttle Mass Flow with Optional 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) - requires additional hardware

  • 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



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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.