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Old 17th February 2012, 07:03 PM   #1 (permalink)
Jm-Imports is sitting on 1293 @ the hubs
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Join Date: Feb 2007
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Syvecs S8 Ecu on R35 GTR fully working - Tuning on a new level

This is the new ecu going in my R35 GTR..

awesome stuff..

If anybody is interested feel free to email us for cost and mapping.

[email protected]

14 minutes Demo well worth the watch

Syvecs R35 GTR Demo - YouTube

So Whats it all about ?

The Syvecs S8 ECU for the Nissan R35 GT-R Will be released in March 2012. I have information and videos that i hope will interest all those in the market for tuning the R35 GT-R.

Here is the latest update from Ryan at Syvecs.

"After 7 months of development we finally have it all working perfectly. Just need to make some changes to the tuning software for the launch control options for the GTR and also setup the traction control at the test track.

Will get another video of some of the dyno and test track action up soon.

Release date March 2012"

With the Syvecs S8 for the R35 GT-R you can fully adjust the Torque Actual and Torque Demand Maps live which Syvecs have mapped to copy as stock presently. Syvecs did some testing increasing and reducing actual torque and the difference was brilliant. (See link for logs below) Can make clutch pressure apply more and less properly without having to increase touch points which can make low down driving not nice. Can also adjust the slip and shift point by changing the torque tables.

This made power go up and clutch temps to drop!
The logs are available for download here: Logs S8

On other ECU’s like Cobb AP and ECUTek you can only increase the clutch Demand which is not the right way of doing it for more clamping and why many have experienced issues.

Features which stand out for the GTR:

- live tuning of any map

- Full VVT control

- Full Control over Fans

- super fast connection using rj45 Ethernet connection so ability for live
tuning anywhere in the world or even on Track if connected to wireless unit.

- Connect any race series dash or even one of our partners small can
adjustment /display units

- control up to 12 injectors so on big power vr38 engines ability to run
staged injection

- Wet and Dry nitrous control with ability to drive solenoids directly and
control n20 heaters via pressure monitoring

- control high or low impendence injectors

- view any input live with built in scope up to 1000hz

And much more which they are still working on.

Here are the Spec's for the Syvecs ECU used for the GTR:

Powerful RISC CPU for advanced strategy execution
Custom synchronous FPGA processor for engine position tracking and output
diagnostics up to 25,000rpm

28 user configurable general purpose Pulse Width Modulated power outputs,
8 Ignition Coil outputs IGBT or TTL (Software configurable)
16 Fuel Injector outputs
2 Full Bridges also configurable as 4 Half Bridges or 4 PWMs (DbW &

24 user configurable general purpose analogue sensor inputs, including up
to 16 bipolar, inductive or hall effect speed / engine position inputs
6 dedicated inputs, including:
2 Acoustic knock sensor inputs
2 Wideband (NTK) lambda sensor interfaces†
2 K-type thermocouple sensor interfaces

100 MHz full duplex Ethernet for calibration, configuration and data download
3 CAN 2.0B† interfaces for communication with other controllers or logging systems
RS232 serial interface for communication with other controllers or logging systems

4MB or 8MB† battery backed internal logging memory
Downloaded in under 10 seconds via Ethernet
Time/Date stamped data via real time clock

Power Supply:
6 to 32V input voltage range with reverse polarity protection
2 regulated 5V sensor supply output with individual short circuit protection
Software configurable (5 to 12V) sensor supply output (eg for 10V load
Unregulated sensor supply output which tracks the ECU supply voltage with
nominal 17V clamp
5 Separately protected sensor and communication ground inputs

88 pin automotive connector
CNC machined, ‘O’ ring sealed, anodised aluminium case
Maximum dimensions including the connectors are 178 x 122 x 36 mm
Total mass is 485 grams

Last edited by Jm-Imports; 17th February 2012 at 11:57 PM..
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