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Turbonut
 
Raceboy's Avatar
 
Join Date: Jun 2009
Location: Estonia, Europe
Posts: 1,261
Garage
Any interest in 964/993 Plug'n'play ECU?

I have made these for years, allows to get rid of AFM/MAF altogether, also increases power over stock quite substantially with the tune I have in the ECU

I made a product page in Facebook, check out the possible plug and play VEMS ECU's for different Porsches:

http://www.facebook.com/vemsporsche/


I have also made many complete harnesses for older 911's which do not have EFI, including twin-plug COP setups and 964/993 P'n'P ECU's with additional COP harness:





Here's TPS kit and AFM delete kit:



In addition to being a comfortable way to support hot cams, ITB's etc, this ECU is very good for the TPC supercharger or custom turbo guys as the piggyback solution that TPC comes with is mediocre to say at least.
Also this ECU allows you to ditch the AFM and use many features. Note that all features mentioned are already supported, no fee needed! Only optional things one has to buy additionally are WBo2 sensor (it has controllers inside), EGT sensor(s), SD logger, RS232-BT adapter to use Android dash and logging app.

Here are features of VEMS:
Drivers
• 8 High Current Ignition Drivers
• 8 injection drivers supporting peak-hold injectors.
• 2 High current miscellaneous outputs. These drivers, as well as the 8 injector drivers can be configured
as high current (14 to 15 A) drivers for special outputs (Idle Solenoid, ON/OFF solenoid,
NOS Injector, Variable Intake actuator, etc...)
• 1 Idle stepper driver. (Can be used as four individual 1A push-pull drivers)
• 4 350mA protected open collector drivers with pull-up.
• 1 350mA protected open collector driver for fuel pump relay.
• 1 350mA protected open collector driver for small idle solenoids.
• 2 350mA protected open collector drivers driving LED's. Available for other applications if connected
on board.
Communications
• 2 RS232 ports for Updates and Data Logging.
• 1 One-wire communications port. (Can replaces one RS232)
• 1 Onboard LCD support.
• 1 Onboard PS/2 Keyboard support
• Feature connector for CAN bus and MMC (Multimedia Card) add-on boards.
• Fast serial boot loader for firmware updates.
Sensor Inputs
• Up to 4 VR/Hall sensor inputs.
• Up to 2 wheel speed inputs
• Up to two drive-by-wire throttle support
• PWM variable cam timing support (4 solenoids).
• 2 knock sensor inputs with advanced DSP based signal conditioning.
• Onboard 2.5-5-bar Manifold Absolute Pressure Sensor (MAP)
• Coolant temperature sensor (CLT)
• Intake Air Temperature sensor (IAT)
• Throttle position sensor (TPS)
• 2 miscellaneous inputs for resistive sensors, like exhaust back pressure and fuel pressure.
• 2 LSU4 Wideband O2 controllers. (fast and precise digital control)
• 2 Type-K EGT sensor amplifiers (up to 16 EGT's with optional external amplifier).
• Several internal sensor inputs for custom applications.
Enclosure and Connectors
• Automotive grade AMP Econoseal III connectors.
• Extruded Alubos enclosure with CNC machined endplates.
Genboard V.3 ECU Target Features
• Support for most common trigger arrangements.
• 1-8 cylinder full sequential injection with coil on plug/coil near plug, wasted spark, or 1-2 distributors.
Or, 10-16cylinder semi sequential with wasted-spark/ 1-2 distributors.
• Wide open throttle closed loop Lambda control (WOT closed loop) - lambda (AFR) mapable
through entire loadsite-range (kPa, RPM)
• Self learning VE table via Live VE analyser (works very wel and easy to use).


This is difference on stock 964 engine, even original catalyser was in place:
[/QUOTE]

__________________
'83 924 (2.6 16v Turbo, 530hp),'67 911 hot-rod /2.4S, '78 924 Carrera GT project (2.0 turbo 340 hp), '84 928 S 4.7 Euro (VEMS PnP, 332 HP), '90 944 S2 Cabriolet
http://www.facebook.com/vemsporsche

Last edited by Raceboy; 11-20-2015 at 03:07 AM..
Old 11-20-2015, 03:01 AM
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Join Date: May 2003
Location: Detroit (Rock City!)
Posts: 783
Yes, definitely of interest. What's the approximate cost, all in, and do you have any current users who can discuss it?
__________________
'90C4
Old 11-21-2015, 09:42 AM
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Turbonut
 
Raceboy's Avatar
 
Join Date: Jun 2009
Location: Estonia, Europe
Posts: 1,261
Garage
Cost would be around 1200-1300 euros depending on chosen options etc. Here's Rennlist topic that discusse the VEMS units sold by me: VEMS install - Rennlist Discussion Forums
Few issues that occurred have been long fixed and bugs honed out

__________________
'83 924 (2.6 16v Turbo, 530hp),'67 911 hot-rod /2.4S, '78 924 Carrera GT project (2.0 turbo 340 hp), '84 928 S 4.7 Euro (VEMS PnP, 332 HP), '90 944 S2 Cabriolet
http://www.facebook.com/vemsporsche
Old 11-21-2015, 11:32 PM
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