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Author Topic: Hybrid turbo info  (Read 1159 times)
Sandstorm3k
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Leon 1M 1.8T AUQ


« on: June 03, 2021, 11:54:46 PM »

I've been gathering info regarding hybrid turbo's.

What does the compressor wheel and turbine wheel say about a turbo, is there any way i can estimate how much more efficient it would be than a stock K03s? I'm hesitant on picking a hybrid because i'd like the best for my buck and there is so extremely much options and companies around that build them. I want to avoid getting a hybrid, and it only getting perhaps ~260-280hp.

I know there are hybrids that claim to do atleast 300+ and some have even seen upwards of 330+ hp. In combination with the hybrid i want to get Bosch 550cc's because they are dirt cheap locally.

What better place to ask than the experts on here i figured.

This should be the information for a stock K03s turbo
COMPRESSOR WHEEL
Inducer: 38mm
Exducer: 51mm

TURBINE WHEEL
Inducer: 45mm
Exducer: 38mm
Blades: 11

One of the hybrid turbo's i'm looking at has:
COMPRESSOR WHEEL
Inducer: 42mm
Exducer: 56mm
4 long / 4 short blades

TURBINE WHEEL
Inducer: 42mm
Exducer: 46mm
Blades: 12
Shaft length 99mm

Is there any way i could at least have a guess at what power it would make? As i said i'd like to get a really proper hybrid turbo, i'm not buying any chinesium made turbo's.
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chacarita
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« Reply #1 on: June 07, 2021, 07:25:05 PM »

Hi! It would be easier for you to receive help if you provided more information on which brand/model it is, being information that is maybe more familiar to more users. Also, you can get a rough estimate of the HP rating by taking a look at the mass flow rate of the turbo.
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Sandstorm3k
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Leon 1M 1.8T AUQ


« Reply #2 on: June 08, 2021, 04:50:09 AM »

Hello there, thanks for your reply.

I see so i'd need to ask for those figures. We have quite a few companies locally and i've contacted a few in order to get as much information on these turbo's before i decide which one i'll order.

I know about the popular ones too such as the BBT K300 and Littco L280 but those would need to be shipped from England. The companies locally i could pick up a hybrid for 600-800 euro's.

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fukenbroken
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mk4 1.8T AUM


« Reply #3 on: June 08, 2021, 01:32:04 PM »

You could also buy it on ali
Its just a k04-023 chra with machined k03 housings
Funny thing but k03 turbo housing wont last long
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Sandstorm3k
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Leon 1M 1.8T AUQ


« Reply #4 on: June 10, 2021, 01:25:22 AM »

You could also buy it on ali
Its just a k04-023 chra with machined k03 housings
Funny thing but k03 turbo housing wont last long
Looks like you're right once again!

Compressor wheel is exact same specs as stock K04 023 and turbine wheel is slightly smaller.

I believe 023 turbo's do ~290 ish hp. But i'm after a hybrid capable of more. Also i'm willing to pay good for a proper turbo 600-800 euro's should get me something proper. I would rather not buy a low quality Ali turbo as i've heard they spool slower, and can blow within a few thousand KM's.
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Blazius
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« Reply #5 on: June 10, 2021, 10:30:44 AM »

HE221 Smiley
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Sandstorm3k
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Leon 1M 1.8T AUQ


« Reply #6 on: June 10, 2021, 10:40:14 PM »

HE221 Smiley
Looks very interesting, but how straight does this bolt up to my 1.8T? (I'm guessing not at all).

What's needed to fit this, custom downpipe flange for sure, how would it bolt up to my manifold?
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Blazius
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« Reply #7 on: Yesterday at 04:06:36 AM »

Looks very interesting, but how straight does this bolt up to my 1.8T? (I'm guessing not at all).

What's needed to fit this, custom downpipe flange for sure, how would it bolt up to my manifold?

It mostly does not, ask fukenbroken he has one mounted with a td04 housing or something along those lines.

 Im sure all modifications would fit in your budget.
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sonique
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« Reply #8 on: Yesterday at 04:22:45 AM »

k03s very limited small turbine hosing
not worth it to buy

k04-023 hybrid turbo more potential
not any  problem 370-410hp
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Sandstorm3k
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Leon 1M 1.8T AUQ


« Reply #9 on: Yesterday at 05:49:36 AM »

The reason i'm after a hybrid is because of how easy it would be to swap. Literally bolt on straight to my current setup, and there are hybrids around doing 320-330 which is about what i'm after.

K04 023 hybrid would be nice, but i'd need a new downpipe, manifold water and oil lines. A proper manifold is quite expensive really, and i'm not too sure about those cheap 150$ manifolds from china.

HE221 looks very interesting considering its price, but i'd need to get some custom parts @fukenbroken what did you have to do/buy in order to just get it fitted?

This is where i'm stuck at the moment as i'm willing to spend ~600-800 euro's in parts excluding labor because i'd do it myself.
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Blazius
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« Reply #10 on: Yesterday at 05:50:32 AM »


k04-023 hybrid turbo more potential
not any  problem 370-410hp


Thats bollocks, havent seen a single hybrid ko4 hit those numbers under normal conditions, not F21, not f23s, not bbt k300, not littco 280  nothing. Those numbers are t3/t4 numbers and they have "massive" compressors.

If you can back that up with sources or etc I'd very interested in seeing it.

F23 and co will do 330 bhp, but you are likely to bend rods with it tbh, specially on the trapezoidal ones.
« Last Edit: Yesterday at 05:52:21 AM by Blazius » Logged
Sandstorm3k
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Leon 1M 1.8T AUQ


« Reply #11 on: Yesterday at 05:56:00 AM »

Yea... i'd need to keep the torque down i figured especially on lower RPM's to avoid bending rods.

I know the risk i'm taking with not forging my rods but I know multiple guys around running similar setups without blowing rods.
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sonique
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« Reply #12 on: Yesterday at 06:36:22 AM »

The reason i'm after a hybrid is because of how easy it would be to swap. Literally bolt on straight to my current setup, and there are hybrids around doing 320-330 which is about what i'm after.

K04 023 hybrid would be nice, but i'd need a new downpipe, manifold water and oil lines. A proper manifold is quite expensive really, and i'm not too sure about those cheap 150$ manifolds from china.

HE221 looks very interesting considering its price, but i'd need to get some custom parts @fukenbroken what did you have to do/buy in order to just get it fitted?

This is where i'm stuck at the moment as i'm willing to spend ~600-800 euro's in parts excluding labor because i'd do it myself.

you are very lucky possible over 300hp k03s but approx max ~300hp
k04 not need full downpipe,  just use adapter
k04 chinafold approx 180$ +shipping and need porting but it does not crack
and yes k04 hybrid not cheap but you are buy k03s platform hybrid you are just simple go out the trash your money Smiley
not worth it

« Last Edit: Yesterday at 07:33:24 AM by sonique » Logged
sonique
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« Reply #13 on: Yesterday at 06:43:19 AM »


Thats bollocks, havent seen a single hybrid ko4 hit those numbers under normal conditions, not F21, not f23s, not bbt k300, not littco 280  nothing. Those numbers are t3/t4 numbers and they have "massive" compressors.

If you can back that up with sources or etc I'd very interested in seeing it.

F23 and co will do 330 bhp, but you are likely to bend rods with it tbh, specially on the trapezoidal ones.

i made turbo and programing the car
engine bam pistons and H Beam rods ..etc
yes possible this Hp k04 hybrid

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Blazius
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« Reply #14 on: Yesterday at 08:17:01 AM »

i made turbo and programing the car
engine bam pistons and H Beam rods ..etc
yes possible this Hp k04 hybrid



Have you got specs or link to that turbo? Fullboost at 3700~ peak torque at 4k , and 400 hp , everybody would be running that if wanted, im still skeptical without modlist and etc.


Besides that turbo would 100% bend stockrods with that much torque :/
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