*help* Small Chip In Turbo Wheel!

[WYTSKY]

Hey guys,

I recently bought and got installed an apparently "good condition" second hand hypergear tr43 turbo... which when I bought it had a chip on the corner of one of the fins probably about half the size of this zero: -0-

When I asked the mechanic if this was ok he said it was fine.... I was skeptical... how can something that has to spin at such a speed and maintain a constant high output while attempting to stay in the exact same spot be ok when it doesn't have perfect balance? none the less I went through with it.....

I am meant to have a tune in a week by dr. drift.. who I hope will fix the slow spooling issue... because I am only getting full boost by about 4,800-5,000 rpm... an issue I am not sure if being caused by the chip....

I also am hearing a slight whistling sound when I drive... but that could be my dump pipe and the back of the turbo not being sealed 100%?

I saw hypergear (Tao) who said he doesn't think it is a smart idea to run the turbo if it is off balance at all because at high rpm it will wiggle a little and then start destroying seals etc etc...

I have spoken to the mechanics again.. who said they would give me the money back for the turbo... but I will have to be charged labour if they take it off again.. I am thinking i may just do it myself and replace it with a brand new tr43 myself...(because it will fit identical so no customizations that I will have to worry about)

I need some more opinions desperately! DO YOU THINK THE TURBO SHOULD BE REPLACED? OR WILL IT BE OK AND RUNNING CORRECTLY? tell me you honest opinions because right now I am so confused what to do...

Much appreciated,

Adam

[PM-R33]

Personally i wouldnt do it, in my opinion it would be slightly unbalanced and over time (who knows how long) could get worse and potential throw the balance of the wheel off and make it start hitting the housing.

Edited April 3, 2008 by PM-R33

[WYTSKY]

"wouldn't do it"... as in i should not change the turbo over??? because at the moment I am leaning a bit towards changing it?

[R33GOD]

its only going to get worse mate. happened to mine and it screwed the comp wheel even more. lost huge power too.

get it fixed asap

[PM-R33]

Yeah i ment i wouldnt use it lol. Get rid of it.

[WYTSKY]

ohh ok

thanks, that was my gut feeling too... at least I know I should trust my instincts....

wouldnt mind anyone else's past experiences just to give me some examples.

Thanks,

Adam

[Ionos]

The whistling noise may well be the turbo scraping the side of the housing. This happened on my old car.

[NYTSKY]

Does it look like a balancing mark?

Could be that?

[Beer Baron]

chips off the ends of fins wont be from balancing...

[rb26s13]

chips off the ends of fins wont be from balancing...

i assume there meaning it'd affect the balancing not from the balancing process

[Mr. Untouchable]

you have to ask yourself, why is it chipped, what caused it? did something get sucked into it and chip it?

where did it end up? what the hell has enterd the turbo? and what might have passed through it?

basically, id be taking it off yourself, returning it to whoever sold it to you.

If it lets go your motor might get a mouthfull of metal

Edited April 3, 2008 by Mr. Untouchable

[WYTSKY]

Thanks for the advice guys, really does help me rule out what to do....

this is the update from today and me spending about $50 on the phone bill to the mechanics and Hypergear:

Mechanics: The turbo they showed me they would put in my car (with the chip) "apparently" IS NOT the one that is currently in the car but the exact same model...

Hypergear: The turbo currently on my car has "apparently" got the same model number "0000029" as the demo one they gave the mechanics a number of years ago.. and the turbo that is on my car was also made a number of years ago...

SO NOW THE TEST... I worked out=

I said to the mechanics:"are you 100% positive this is not the turbo you showed me with the chip?" they looked me right in the eye and said: "no....take off the intake pipe and check it yourself"

so tommorow I will take off the intake pipe to the turbo... I will check the fins... if any single one is chipped I am going to give hell to the mechanics for lying right to my face!

if it is fine then hypergear should not make accusations ...

We will see..

Adam