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We all know that APEXI have stopping making the Power FC -- for most of us anyway!

Will another ecu dominate the SAU community?

For people wanting to buy a NEW ecu, what's the best 'featured' unit (for the price)?

Haltec, e-manage Ultimate, microtech, autronic, wolf or???

Before you start, YES I have done a search and looked over a good number of threads.

A lot of the info out there is focused on the PFC. For the price/value, there seemed to be no other choice, unless you had an auto.

The next comment I've seen…. 'follow your tuner's advice'

I don't have a Tuner! Yes, I could contact a number of tuners and I'm sure they'll all tell me their preferred option.

I think I'd get better general information from here – as a starting point anyway! Will then follow up and speak to tuners that know the brand I'm looking at.

My car;

R34 GTT S1 Manual, reasonably stock; turbo back exhaust & high flow cat, K&N panel filter, blitz ebc. – 90% street use, but intend to visit the track 4 to 6 times a year.

I think I'm leaning towards that e-manage Ultimate. At approx $600 + harness + tune, it sounds good to me. The Haltec @ $2000+ is out of my budget!

Most of the info I found was based on the 'older' e-manage Blue, which didn't get a good rap (for the R34s). But on paper, the Ultimate seems way better.

Has anyone got some Pros & Cons of the latest ECU's on offer?

Side by side Comparisons – eg, PFC vs e-manage Ultimate? (a matrix of features??)

As for the e-manage Ultimate, Yes I know it's piggyback, but what has the PFC got over it?

For the Street vs Track, I would like to swap maps – I have a laptop, saving/swapping the maps, logging data, via a unit/laptop would be a be plus.

I know R31Nismoid and paulr33 have posted some great info… any additional info and answers to my questions would be much appreciated!

Cheers!

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i would source a second hand ER34 PFC, surely you can find one somewhere amongst all the skyline owners and yahoo auctions. Speak with Zac @ slidewise imports in the trader section he might be able to find one for you.

my second preference would be a wolf 3d, but change to AFM, dont go the map sensor. this would depend on cost as well

Haltech E11v2 is getting fitted and tuned in my R33 soon... I have extensivly looked into:

- EMS - Does not support multi-injection control

- Microtech - Very hard to fine tune for economy

- PFC (hard to get) + requires Z32 AFM for 230+rw/kw applications

The best way of doing it is finding a reasonable and reputable tuner and get him to suply, fit and tune wich ever ECU he is knowledgable with.. Cause the ECU will only ever be as good as the tuner...

Regards,

Sarkis

Didn't think I should start a new thread on this so I thought I'd just put it in here. There's an R33 Apexi PFC on ebay.. I have one already, just thought it might help someone else out. :happy:

I think people fear anything that ISN'T plug and play too much.

You give the ECU the TPS, CAS, RPM, TEMP, MAP/AFM inputs, then it works out what to do and sends the INJ and IGN outputs.

Its not heaps hard to hook that up. Most people would be able to do it themselves with a bit of patience and a pinout diagram. Certainly I don't think its worth the $500 most places charge to wire in an ECU.

There are ECU's ranging from $950 - $1300 to suit 6 cyl ignition and injection.

I think people fear the installation way too much. Took me 4hrs or so first go. That was with ALOT of multiple checks to ensure started first go.

If you can install an SAFC, then you can install a full ECU just as easily. Just takes a little longer.

e-manage ultimate is VERY interesting to me. A little longer again to wire in, as you need to leave the stock ECU in place and intercept each signal wire to injectors and ign ( afaik, never wired one of these, or seen more than one or two decent diagrams, too new for decent info ), but cheaper and SHOULD be easier to tune as the base tune is your current ECU's tune.

Also with USB connectivity and new software, seems they are geared to be user friendly.

ROM tune will probably be the biggest emerging option for the R34's

My one has the full ease of being eaily interfaced with a laptop, pretty easy to tune if you know the theory behind the JECS tuning in the Nissan ECU's and base cost for the daughterboard and software is $400

I throw one into the mix.

It's calle MEGASQUIRT. there are about 10 cars here in tas running it, Cost is $300 or so AU, plus some other supporting mds. Uses any sensors you have, just need to pick them up. Runs full Laptop software, sell tuning. and works a charm. My mate is unig it on a 64 Hilman Hunter, that is fuel injected. It's a hill climb beast.

Check them out.

http://www.megasquirt.info/

They have been compared to a Haltec system, but it is a lot of DIY, so beginer beware.

It also comes down to your power goal and budget... if you are thinking of keeping the car for many years and want to get BIG power out of it eventually, its worth the few extra $$$ and getting a real good ECU cause then you will never need to change it... If your after max stock power and arnt going to keep the car more then a few years, find a cheap ECU & tune package eg. EMS stinger approx $1800 supply, fitted and tuned...

Cheers

Edited by QRI05E

e-manage Ultimate! eman_ultimate01.jpg

FUNCTIONS

Airflow Correction :

Airflow Adjustment Map / Airflow Output Map / Boost Limiter Cut Map / Anti-Engine Stall Map.

Injector Correction : Injector Adjustment Map x2 / Acceleration Injection Adjustment Map / Individual Cylinder Injection Adjustment / A/F Target Value Map / Vehicle Speed Correction Map, Coolant Temp Correction Map, Intake Air Temp Correction Map / Rev Limiter Cut

Ignition Adjustment : Ignition Correction Map x2 / Acceleration Ignition Map / Individual Cylinder Ignition ADJ Maps / Ignition Cut Feature / A/T Shift Compensation Feature

Others : External Output Map (VTEC) / NVCS Control Map / Analog Output Map / Idle Stabilization Map

ADDITIONAL FUNCTIONS

Serial Port : External Data (such as GReddy Warning Meters & other future optional products) can be monitored and recorded in real time through a data link cable.

Switch Port : Data Logging & Ignition Cut features can be activated with the use of an optional Remote Switching System & Switching Harness

Option 1/2 : GReddy Pressure Sensor, GReddy Temp Sensor, A/F Input Harness, Multi Switching System Adaptor, External Switch & Factory Pressure Sensor.

OTHERS : Vehicle Specific メPlug-Inモ Harness or Complete メPlug In Playモ Data Kits have not been released at this stage.

FEATURES

(Dip) Toggle Switch

2 independent setting can now be stored and accessed via the ''Toggle Switch.''2 separate maps for the ''Injection Adjustment Map'' and the ''Ignition Map.'' (For Rotary engines, 2 separate ''Primary and Secondary Injector Maps'' and ''Leading & Trailing Ignition Maps.'') i.e. one program for''street''and one for ''race track''.

USB Port

e-manage is industry first to adapt the USB communication technology. We have improved communication with ability to use standard USB cables. This improvement also enhances the communication speed for more detailed real time monitoring and data recording.

Ignition Signal Adapter Socket (Ignition Signal Adapter 1 & 2)

Data Log Features

*Data Logging

Samplings can be recorded at 20msec on up to different 8 channels on the unit itself and over 30 when using theincluded software.The data can be recorded even when the PC is not connected.

*TEXT File Feature

The data recorded in the Real Time Display mode can now be save as TEXT file. Organizing the data can simplified by opening the data in Excel and creating a graph.

*Knock Monitor (Future update)

Knock can be monitored and reviewed.

*Ignition Timing Display (Future update)

Ignition Timing can be monitored in the Real Time Display mode.

SETTING

Airflow Output Map

Previously labeled ''Airflow Adjustment Map'' is now ''Airflow Output Map''. (#)This can now used to eliminate the factory airflow meter. This is done by directly inputting voltage or frequency in to this map.

Boost Limiter Cut

Anti Engine Stall Feature

The 8 adjustment cells are now upgraded to 16 cells, for even finer adjustment.

Injection Adjustment Map

Fuel trimming in the previous system was achieved by adjusting the ''Airflow Adjustment Map'' which could also affectthe ignition timing. The improved ''Injection Adjustment Map'' is used to trim and add fuel directly by controlling the injector signal, therefor it will not affect the ignition timing at all. (However with an internal jumper setting change, the system is still able to trim the fuel by adjusting the airflow signal like the previous unit)

Acceleration Injection Map

Like the''Injection Adjustment Map'', the ''Acceleration Injection Map''can trim fuel by controlling the injector signal. This is used if it is necessary to smooth rapid transitions to wide open throttle.

Individual Cylinder Injection Adj. & Individual Cylinder Ignition Adj. Maps. It is possible to correct uneven combustion between cylinders, by fine tuning each individual cylinder for more advanced tuning.

A/F Target Value Map (feedback tuning function)

By inputting target Air Fuel values in this map, ''e-mange Ultimate'' will automatically make corrections to the ''Injection Map,'' if an A/F meter (*high quality) is connected to the Auxiliary Output signal. This feature can shorten the tuning time.

Vehicle Speed Correction Map

Inconsistencies due to differences in vehicle speed (difference in load) can be corrected with this map.

Coolant Temp Correction Map (Must be Selected with Knock Signal 1)

When the ECU Coolant Temp Calibration does not match the e-manage's tuning, this map is used to tune the system at various temperature ranges.

Intake Air Temp Correction Map (Must be Selected with Knock Signal 2)

When the ECU Intake Air Temp Calibration does not match the e-manage's tuning, this map is used to tune the system at various temperature ranges.

(#)This map is also be used when eliminating the airflow meter on a vehicle equipped with a hotwire type airflow meter.

Rev Limiter Cut

For vehicles with a fuel cutting controlled rev limiter, this feature will drive the injectors past the factory rev limiter.

*This feature will not work on vehicles with rev limiter controlled by ignition cut.

Ignition Adjustment Map

The ''Ignition Adjustment Map'' can accurately advance ignition timing by controlling the crank angle / cam angle signal.

Throttle Setting

Any voltage can be inputted directly to set the throttle position.

Ignition Cut Feature

With the installation of a switch (in the ''ON'' position), ignition can be cut at a set RPM point.

A/T Shift Compensation Feature

On vehicles with Automatic Transmissions, ignition timing can be compensated at set shift-up and shift-down points.

VTEC Output Map

This feature can be used to control VTEC (O2 Sensor Adapter)

NVCS Control Map

NVCS (Nissan Valve Control System) can be controlled with out the need for NVCS Adapter 1.

Analog Output Map

This feature can be used to eliminate the factory boost cut function on vehicles that are equipped with both an airflow meter

and a pressure sensor (i.e.: FC3S, Subaru).

Also, on some vehicles, the factory feedback range can be adjusted by outputting a corrected throttle position signal.

Idle Stabilization Map

If the factory idle control valve is a solenoid type valve, this map can vary the valve's duration to adjust the injection rate.

(#)This is used when eliminating the airflow meter.

Speed Limiter Cut Feature

This feature will eliminate the factory speed limiter. (May not work on some vehicles)

OPTIONAL PARTS

Protect Feature

Each Map has the option to be password protected.

Serial port

External data (like ''GReddy Warning Meters'', and other future optional products) can be monitored and recorded in real time through a data link cable.

Switch Port

''Data logging''and''Ignition Cut'' features can be activated with the use of an optional ''Remote Switching System'' and

''Switching Harness''

Option 1 & Option 2

An additional''Option Connector'' is added to the previous''Pressure Connector.''

Now any two Options (like ''GReddy Pressure Sensor,''''GReddy Temp Sensor,''''Multi-Switching System,'' A/F Meter, Auxiliary Switch, Factory Pressure Sensor, or Other Analog Input signal) can be selected using the ''Option 1''and/or ''Option 2 ''ports.

And because you still run the factory ecu, people with autos shouldnt have a problem!

ALso you can download updates for the emanage off the greddy website which shows greddy supports its clients

win win!

if i didnt have a pfc i would be using a e-manage Ultimate or HKS F-con V Pro.

But if you choose the HKS ecu you are very limited to your tuner, in perth there is only one HKS PRO DEALER which can tune the hks ecu, so if you dont like the tuner/company then your out of luck!

my 2cents

Michael

eManage and other piggy backs are limited by design. You can only 'fool' the stock ECU so much by the time you throw n bigger injectors, turbo etc. Good for light to mild upgrades though.

emanage has injector hardness so you can run aftermarket injectors.

If the D1 Greddy Rx7 with 400hp+ can only run the emanage and not have problems, then i think a street car shouldnt have a problem at all

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