Well 165k later and this is what my ko3's look like

[Boarder]

Some days are better than others lol. This is what ko3's (may) look like when they start to sound like a supercharger.

[Jordan80]

Damn, my original k03's with 152k are about to come out soon too. Hopefully not as scary as this!

[awdjunkies]

wow, are you staged? mine had about 170k and were perfectly dry and looked new.. Of course it helps that they always ran under stock boost.

[Boarder]

no this car has been stage 2 for like 15k

[Sour]

I wonder where the fins went..

[Papa_Dios]

I wonder where the fins went..

[DeleriousZ]

Into the cat or bouncing down the road most likely lol. What I'm curious about is how they got like that in the first place. Doesn't look like there was much, if any contact with the turbine housing.. almost looks like particulate in the exhaust stream or maybe just from being heat cycled so many times?

[DonnieDark0]

instagram lol

[Monty23]

Is there ever any worry that the compressor will get chewed up like that and you could end up with your motor inhaling metal? Or is it just usually the turbine side that gets messed up like the pic above?

[Yankeefan7592]

^It depends on the hot side or cold.

[rtl5009]

Thats some serious FOD, I would go over all of my intake plumbing before just replacing those guys. What kind of air filter are you running?

Did the cold side look like that?

[Boarder]

no my cold sides are perfectly fine

[rtl5009]

no my cold sides are perfectly fine

Vanes do not just go missing, you are inhaling some kind of particulate between you compressor housing and turbine housing. Look over your bottom charge tubes, intercoolers, intake mani, exhaust mani. Have you looked at your valves?

[AudiNFS]

And this is why it scares the shit out of me to chip my car

[rtl5009]

And this is why it scares the shit out of me to chip my car

That kind of damage is not from "chipping" the car

[AudiNFS]

That kind of damage is not from "chipping" the car

This kind of damage cannot occur from the fins grinding against the housing? I'm not turbo expert, this is why I'm asking.

[CELison]

This kind of damage cannot occur from the fins grinding against the housing? I'm not turbo expert, this is why I'm asking.

It's FOD for sure. Looks like my k04s did after they inhaled everything from the bottom of my airbox

[rtl5009]

This kind of damage cannot occur from the fins grinding against the housing? I'm not turbo expert, this is why I'm asking.

Anything can happen with the rotating assembly spinning at 150,000 rpm, but the damage above with the deep grooves of missing metal heavily towards foreign object damage (FOD).

Heres some example pictures :

http://forums.pelicanparts.com/911-9...ap-damage.html

Pics 4 and 5 look basically identical to the damage above.

[zillarob]

You ever lost the electrode on a spark plug or maybe a chunk of carbon broke loose and got the ball rolling on them?
Cold side gets filtered by the ic most of the time.

[ECS Tuning-Audi]

Whats the compressor side look like? If there's a lot of play the turbine could hit the walls of the turbine housing and cause it to fracture like that. If you look at the fins they have a slight "curl" to them which would indicate they were hitting on something or something was stuck in the exhaust port and hanging down interfering with the turbine wheel.

Jason

[rtl5009]

op stated cold side is perfect

[Boarder]

theres a slight curling to them, also the car ran like this for like a month OOPS. i just didnt beat on it. just running a stock filter.