tuning options mk4 gti

[diko]

first of all i am new to forums and i have only owned my golf gti mk4 for a few months... i wanted to know is there a piggyback controller for the standard ecu...i used to have a subaru wrx sti and i had a " uni chip" it was great is there something like this for golfs???? all i can manage to find is places that want me to send them my ecu or go to a complete stan alone system due to bad experiences i dont want that option.. any info would be helpful
p.s. i have the following mods already
ths front mount cooler
aem intake kn filter
2.5 inch exsaust
thanx

[h100vw]

Welcome to the forum.

There's no need to do the unichip or standalone, it's not the way to go. There's other options, I hesitate to say plenty. Some can flash your ECU, I am one of them, other's will want to install another chip in your ECU.

The ECU will most likely need to be removed from the car for the flash as I haven't come across a port flashable MK4 in Australia yet. I use a bench lead to flash them.

In you list of mods, you haven't mentioned a downpipe, is that still standard? That would limit you to a Phase 1 from Custom-Code. It would still produce more power than an otherwise standard car but you wouldn't be able to wring every last hp from it, without the dowpipe, which would take you into Phase 2 territory.

Cheers

Gavin

[whiteVR6]

If you want to run a decent turbo then stand alone is your only option. What kind of turbo will you look at fitting?

[noone]

Are you sure its not already chipped? With those mods I would assume it was...

[diko]

im not too sure to honest it has a downpipe but not a catback i know it is strange not to do both at once but it came like that it has a few other minor mods like one of them n75 valves oh and i will be gettin the cat back aswell ... probly will be runnin a k04..wat r they like on mk4s ...

[parso_rex]

A K04 is fine on the stock ECU even a GT28 with an aftermarket controller. You will need bigger injectors and the other hardware to fit the K04 in place of the 03 and a few other things. As Gavin mentioned above the ECU has to be removed from the car and modified but the results are well worth it, we have done a few now too.

[CustomSpooling]

Welcome to the forum.

There's no need to do the unichip or standalone, it's not the way to go. There's other options, I hesitate to say plenty. Some can flash your ECU, I am one of them, other's will want to install another chip in your ECU.

The ECU will most likely need to be removed from the car for the flash as I haven't come across a port flashable MK4 in Australia yet. I use a bench lead to flash them.

In you list of mods, you haven't mentioned a downpipe, is that still standard? That would limit you to a Phase 1 from Custom-Code. It would still produce more power than an otherwise standard car but you wouldn't be able to wring every last hp from it, without the dowpipe, which would take you into Phase 2 territory.

Cheers

Gavin

Hi Gavin,

What flashing tool do you use for the MKIVs? I do them all via the OBD. EDC15. Do you use a CMD tool or Alientech?

[parso_rex]

??? EDC15 that's nothing like the ECU in the Mk4 GTIs here. Maybe in Ireland though

[CustomSpooling]

??? EDC15 that's nothing like the ECU in the MkGTIs here. Maybe in Ireland though

LOL I should have posted ME7. For some reason I thought the thread title said mk4 tdi rather than mk4 gti

Even so, what tools do you guys use to read / write ME7

[diko]

wat power out put am i looking at with the k04 fitted, with new fuel pump injectors, front mount 2.5inch turbo back exsaust, cold air intake, plus possibly looking at doing the ignition system aswell coils etc ...wat is safe boost pressure on the stock internals on the 1.8t?? im already running 15psi. was looking at going to round 18psi..i am a complete hater of manaul boost controllers electric ones arent much better id prefer to set the boost pressure in the ecu itself is this possibly without ending up with heaps of "gain" or boost spiking ....
p.s thanx for all the help guys really appreciate all the input , u can probly tell i know nothing on euros ive only ever owned jap cars in the past thanx

[noone]

It's already tuned. K04 is not a massive difference, more lag, better top end power.

[h100vw]

LOL I should have posted ME7. For some reason I thought the thread title said mk4 tdi rather than mk4 gti

Even so, what tools do you guys use to read / write ME7

No ME7 mk4s in Australia. I am a Custom-Code agent and use what they supplied me. I reckon it's from Freiling Racing originally.

Gavin

[CustomSpooling]

No ME7 mk4s in Australia. I am a Custom-Code agent and use what they supplied me. I reckon it's from Freiling Racing originally.

Gavin

Thats very strange for the mkivs. Over here in Europe we have edc15 for majority of the tdi and me7 for most of the gti. In the US alot of the mkiv use the later edc16 which is pretty strange.

[h100vw]

VW must have made a couple of boatloads of AGU motors they couldn't shift, then got Bosch to make them the same amount if ME3.8 ECUs to run them with, then sent the lot down here.

You could buy a new mk4 GTI with AGU in 2004 IIRC. I don't think they did any TDIs but couldn't be 100% on that..

Gavin

[diko]

well then if it has been tuned i need to get some more power outta this little car im thinking at least another 50 or so wheel horsepower...
any have any ideas keeping in mind it already has
exsaust 2.5 inch turbo back
THS front mount cooler
diverter valve
turbo inlet pipe
cold air intake
some other stuff aswell
i am open for ideas and comments....p.s. dont really want to crack open the block , but will if i have too...