jdm / ecu question

[Danks]

im gonna be droppin a jdm cyclone in my tsi and was wandering if i can use my eprom or do i need a jdm spec ecu?

 

[importboost]

USDM computer works just fine. You will have to either change the intake manifold to the us spec or get your ecu chipped to run the cyclone intake.

 

[Danks]

about how much will it cost to get it chipped for the cyclone intake?
does anyone know where i can get jdm ecu's?

 

[kottyking]

Just swap your old intake manifold back on and use your old computer. The usdm intake mani flows more uptop anyways.

 

[Lordpaxin]

Chip for a Cyclone Intake?

the difference is the jdm ecu has one Extra thing, and One less thing.
No egr.... and control for the butter fly actuators on the jdm intake.

I had the jdm ecu and cyclone years back, and from personal expierece, its better to just swap with your USDM manifold.

less hassle, less chance for problems on a system you iwll find 0 help with.

Without the JDM butterfly ACTUATOR solenoid , you cant control the cyclone from the ecu Anyway.'

my car ran BETTER with usdm ecu + usdm intake. there is small differences in fuel maps with jdm ecu, not that it matters.

hope i helped.

 

[PaulN]

You DON'T need to do anything special to the ECU to get the Cyclone intake to work like it's supposed to. You will however need an RPM activated switch (Summit sells them) and a spare fuel pressure solenoid. Do a search on the forums and you can find the directions. Basically it has to do with the RPM switch being tapped into your tach and when the engine reaches 4100 RPM's the switch will apply current to the spare FPS which will open or close (can't remember which) triggering the butterfly valves in the Cyclone intake, just as it does in a JDM vehicle.

Like I said do a search. You'll find the means to do it very easily.

 

[Lordpaxin]

Actually I forgot some things.

If you use the Cyclone Manifold, you are going to have to fabricate a mount for your coil packs, Power Transister, and rewire your TPS sensor.

If you swap over your USDM garb, you wont have to do this.

JDM engine has different:
oil pressure sending unit
it has ext oil cooler (like 90 model dsm) so youll need to swap your housing and pipe, or get a 90 model cooler.

the bracket holding the AC compressor is different i (THINK) you will need to verify this, its been a few years, I think i had problems with the Drive axle carrier bearing seating flush until i swapped over the ac bracket on the back on the motor with the usdm.

Thats all i can think of right now.


PIC
first is the finished FULL JDM installation, WITH cyclone + jdm ecu + and full jdm oem actuator control (white canistor, butterfly actuators, ect, everything)

second pic isthe SAME motor in a different car (i upgraded) with usdm attire
You will notice a LOT LESS vacuum Garb and cleaner looks.

if you dont have 100% of the jdm cyclone apparatus, white canister, actuator solenoid, ect, bla bla, dont attempt it, these parts will be next to impossible to find, but there is alternative methods to use it tho,

Look at the tech articles of this site, there are 2 writeups, one by myself and one from another member, good reading.

 

[Lordpaxin]

Basically it has to do with the RPM switch being tapped into your tach and when the engine reaches 4100 RPM's the switch will apply current to the spare FPS which will open or close (can't remember which) triggering the butterfly valves in the Cyclone intake, just as it does in a JDM vehicle.

the jdm uses more than just RPM sigal to control the actuators. I read a Technical explaination Long ago, forget where, or what it said, , but it was a little more indepth.

I dont think its possible to rig up a way to have it function 100% as mitsu intended.
2g vr4 3kgt's had a similair setup tho, interresting to know.


its a pain in the Arse and when you get down to it, is it really worth it? I just liked havin it, haha

EDIT:
you need to use your power Transistor too.
Also, the cyclone will need Longer wires, im pretty sure the NGK wires will reach, Magnecor sells a Specific model to fit, its like 100+ tho. www.jacksonracing.com has them i think.

You cant have AC + Cyclone manifold. I dont remember why, I think its because of clearance issues, I have a JDM ac compressor, but you cant use it either because the Coolant lines bolt up different than usdm ( I tried)

The tech article Links
http://www.dsmtuners.com/forums/showthread.php?t=67435
http://www.dsmtuners.com/forums/showthread.php?t=109763

 

[Lordpaxin]

Also, are you just getting the jdm engine, or the tranny too?

you need to modify the shifter cables on the tranny if you get it

good luck

 

[steve]

I dont think its possible to rig up a way to have it function 100% as mitsu intended.
2g vr4 3kgt's had a similair setup tho, interresting to know.

It's the NA 3000's and Stealth's that have the VICS. The turbo cars have a plain manifold.

Keydiver does a chip that uses a spare ECU output to control the cyclone with a solenoid.

Steve

 

[Lordpaxin]

It's the NA 3000's and Stealth's that have the VICS. The turbo cars have a plain manifold.
Steve

Opps, It seems I was misimformed
dang davidblack.net or whatever it was. ohwell, 3si is in my past (dam ice)