k03/k04 ???

[prowler]

hi guys. i got my mk4 golf 1.8t last month an it cme with the old k03 in the boot. the bloke i got it from
told me that it was smoking so he had it changed..he fitted a k04-001 turbo.
how can i tell the difference between the two from jus looking under the bonnet??

 

[Purely VAG]

Well only way i know is to remove turbo inlet pipe and get a view/picture of the compressor(the fan seen when pipe is off)

The amount of fins is unique to the K03/k03s/k04 023

I don't actually know the difference on the k04 001 to k03s so cant tell you how many fins.

[LazyLunatic]

not sure if the tag on the turbo is visible? should be a blue metal tag in the turbo. if you can get a flash camera and try and get a picture of it, not sure what access is like on the mk4.

either way if its got the k04-001 on it, then awesome! get a nice exhaust if it aint already got one, decent filter, forge tip, bigger injectors (4bar fpr??) and then get it mapped! (by r-tech of course)

[prowler]

thnks guys.
its been remapped already but it was when the ko3 was on. i was told tht it will hve to be mapped again.
iv already got the milltec exhuast an smoothed an drilled air box. im waiting on n75 j valve (race valve).
were can i get the rest from thanks.

[prowler]

what is fpr??? n what injectors do i get. will i need a neew injection rall as well or will they go in the old one??.
thnks

[LazyLunatic]

thnks guys.
its been remapped already but it was when the ko3 was on. i was told tht it will hve to be mapped again.
iv already got the milltec exhuast an smoothed an drilled air box. im waiting on n75 j valve (race valve).
were can i get the rest from thanks.

grab a forge tip from a motorsport company.

fpr is a fuel pressure regulator. its on the end of the injector rail. you can use your injector rail and i think you can use your fpr, will probs need some audi S3 injectors or similar. best of asking a tuning company, like R-Tech or some one on here to comfirm though.