Leon Cupra and TTE475?

[Snowman]

Has anyone here tried the TTE475 on their Cupra?
How is the reliability of this kit?
I was under the impression the bearing in the turbo was not good enough, but it seems like TTE decided to keep it stock, without upgrading it.

Any advice or opinions would be appreciated since it seems to be a quite good "kit" for the money.

 

[S4BiT]

Thats why the PnP-Turbos are much better option, for example LM500, they change the whole bearing section to a stronger one.

 

[Snowman]

Thats why the PnP-Turbos are much better option, for example LM500, they change the whole bearing section to a stronger one.

So is it considered to be needed?
Ofc TTE states that it is not needed, but that is expected since they are selling it..
But at the same time i guess they would change the bearing if it was needed, or?

 

[S4BiT]

I think its cheaper to build the hybrid without changing the whole middle section?!
As far as i know it is considered to be the weak side of those turbos from the beginning. So to be on the safe side i would pick the PnP, all tested to be making a good power and holding on strong.

 

[Janusz]

No doubt lm500 is awesome. My tuner installed multiple units and he was only positive.
However similar gains can be made with 30-40% of the price if you are fine with keeping middle section.
I am pumping only 1.7bar for 470hp on mine hybrid.
People boost 2.1 on tte475 and it all lives.

 

[Snowman]

No doubt lm500 is awesome. My tuner installed multiple units and he was only positive.
However similar gains can be made with 30-40% of the price if you are fine with keeping middle section.
I am pumping only 1.7bar for 470hp on mine hybrid.
People boost 2.1 on tte475 and it all lives.

Do you mean the tte475 when you write "similar" or which ones should I look at?
I want a safe 420-450ps without costing a smaller fortune..
I will track the car so I want reliability above maximum power. If that would mean to too at 420ps with the tte475 instead of going all out, I would be fine with it.

Does the hpfp need to be upgraded to achieve that power?

 

[S4BiT]

My friends car acheive over 500hp with the stock fuel system.

 

[Janusz]

hpfp is kind of debatable, some install it at 450+ some use stock one at 500
I am not able to judge it as I am not a tuner.
However I can say that mine on stage 3 with hpfp delivers power a lot smoother than it was on stock hpfp and 400 hp.
Fuel consumption is the same despite 60 hp more.

410-420 is managable on stock turbo if you prepare it well mechanically, going for hybrid just to pass 430 is not really worth the money I think.
I would then stay at 400 on stock charger. Also all the mechanical mods except charger are more or less the same for 410/450/500 hp.

If you have stage 3 mechanics only turbo is the bottleneck.

500hp-520hp should be managable without opening the engine.
So if you do not plan to go above that I would choose a reasonable turbo which you can max around 480- 500hp.
TTE480, LIttco 450 etc. All the ones with fully replaced internals are 2x more expensive.
I think you would regret doing all the mechanics for stage 3 and getting locked up on 440hp due to charger limits.
When I was deciding I had on my list Littco L450, TTE480, turbo technics v4.

 

[Snowman]

From what Ivr read the stock is38 is prone to failure even with stock power. This is the reason I'm considering a larger turbo. 1300euro for the tte475 is cheaper than 5000-10000 for a new engine if the turbo fails and breaks the shaft and pukes oik out the exhaust.
Or am I mistaken with the is38 failures?

 

[Janusz]

correct, is38 seems to have some reported failure history but I would not "demonize" it
I am in rather positive mood given experience I had.
Mine did 80kkm stock, then was brought to 410hp and has run with no issues, now I have is38 hybrid and it also runs fine.
Mine turbo is running now with no issues at 400 hp in some gti
I have 5 buddies running either is38 at 390-400 hp or is 38 hybrid for 20-30kkm and nobody had issues, failures etc.

There are tuners that run stock is38 at 1.9 bar my tuner did fixes after such cars arrived at his doors.
I guess some will be stock ones failing but a lot will fail due to crappy tune.

 

[Snowman]

Okay thanks for the reply!
Are there any checks which I can do to check the health of the turbo?
What is the stock boost of a 280 Cupra?

 

[Snowman]

Seems like my car was not stock, not sure how i should feel about this.
Car was bought from SEAT dealer, no notification about that it was remapped.
Sales person even praised earlier owner for being a "older guy", to prove it was safe to buy the car.

My initial plan was to run the car stock for the spring/summer and then go for the TTE475, however now im not sure i would dare to run it like this since it is remapped and have one of the first 702 N turbos..
Seems to be on the first turbo and has now done about 52000km, the remap targets about 1.5-1.6bar.
https://datazap.me/u/snowman89/leon-cupra-280?log=0&data=2-3

 

[Janusz]

Seems like my car was not stock, not sure how i should feel about this.
Car was bought from SEAT dealer, no notification about that it was remapped.
Sales person even praised earlier owner for being a "older guy", to prove it was safe to buy the car.

My initial plan was to run the car stock for the spring/summer and then go for the TTE475, however now im not sure i would dare to run it like this since it is remapped and have one of the first 702 N turbos..
Seems to be on the first turbo and has now done about 52000km, the remap targets about 1.5-1.6bar.
https://datazap.me/u/snowman89/leon-cupra-280?log=0&data=2-3

Mine is 2014, was stock for 80kkm, then stage 2. Absolutely zero issues.
If it made 52kkm why doubt it makes 10 more?
Also if it would be sold because it was bad would not it be made stock again ?
I would dyno it to see how is the software and decide. Tuner will know it all after a dyno run. Should not cost more than 50e to have it crystal clear.

 

[Snowman]

Mine is 2014, was stock for 80kkm, then stage 2. Absolutely zero issues.
If it made 52kkm why doubt it makes 10 more?
Also if it would be sold because it was bad would not it be made stock again ?
I would dyno it to see how is the software and decide. Tuner will know it all after a dyno run. Should not cost more than 50e to have it crystal clear.

The previous owner swapped it for a new Cupra.
The dealership had no idea about it being tuned, they sold it as any stock Cupra.

A dyno run costs around 200euro in Sweden.. :/

Also from what ive read turbo failiure usually equals engine failiure. So swapping turbo to a sturdier design is just something i wish to do to be safe..

 

[Janusz]

The previous owner swapped it for a new Cupra.
The dealership had no idea about it being tuned, they sold it as any stock Cupra.

A dyno run costs around 200euro in Sweden.. :/

Also from what ive read turbo failiure usually equals engine failiure. So swapping turbo to a sturdier design is just something i wish to do to be safe..

You still need a tune, oil service and to pay labor for turbo exchange. Even if you just replace the charger.
If you are charged 200e for dyno run I can only imagine price for the rest. Nordics aint cheap....

 

[Snowman]

You still need a tune, oil service and to pay labor for turbo exchange. Even if you just replace the charger.
If you are charged 200e for dyno run I can only imagine price for the rest. Nordics aint cheap....

Maintenance is not an issue, swapping turbo and regular maintenance i can do myself. Getting a tune and a turbo is still cheaper than a blown engine :/

 

[Snowman]

As i mentioned earlier i want a car that i can use for track and spirited driving and that will survive around 400-450hp.
If the stock one can do it i will be very happy, but if it MIGHT also kill the engine id rather replace the turbo..

 

[Janusz]

To me this is just asking for problems in case somerhing goes bad. 0 chance for any guarantee claims if you do it in multiple places and also by yourself.

 

[Snowman]

To me this is just asking for problems in case somerhing goes bad. 0 chance for any guarantee claims.

What is "this"?
I still wont have any chance of guarantee claims since the car has already been modified by the previous owner, without the dealer telling me.
Also the SEAT guarantee is 3years in Sweden, so it has already expired.
However if the car would have actually been stock, as i thought when i bought it, any failiures would have been covered by insurance. But not anymore...

Changing oil in engine/dsg is not really difficult work, neither is regular stuff as changing pads/discs etc. No need to drop the car off to a dealer for it.

 

[Janusz]

Well if you do it all in one place you get warranty like any other, here would be the tuner workshop assunibg they do it all from a to z.
If you do half at home and ask for a tune I guess everyone will show you the door when it goes wrong.