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Old 09-15-2008, 11:02 PM   #1
fred6870
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i tried doing a search but i have a doubt as to what turbo the wrc subie uses, i heard the VF44???
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Old 09-15-2008, 11:56 PM   #2
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Depends on what year. They also run restrictors. What year are you referring to?
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Old 09-16-2008, 12:32 AM   #3
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the 2005 to 2007 models
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Old 09-16-2008, 12:39 AM   #4
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afaik, they run antilag
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Old 09-16-2008, 01:11 AM   #5
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they have specialized turbos made of titanium and iconol which are CRAZY expensive.. I know Garret makes a good amount of them but does not sell them to the public.
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Old 09-16-2008, 06:47 AM   #6
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Quote:
Originally Posted by Jubert69 View Post
afaik, they run antilag
antilag isn't a turbo..
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Old 09-16-2008, 06:58 AM   #7
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Quote:
Originally Posted by valetudospang View Post
they have specialized turbos made of titanium and iconol which are CRAZY expensive.. I know Garret makes a good amount of them but does not sell them to the public.
And why would that be? I believe you will find that there is not mysterious turbo, or special alloy. BTW, a rally car isn't a super powerful car. Just from my guess maybe 400hp.
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Old 09-16-2008, 06:59 AM   #8
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Quote:
Originally Posted by Jubert69 View Post
afaik, they run antilag
Oh my, how I love the decel pop!
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Old 09-16-2008, 07:54 AM   #9
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Quote:
Originally Posted by bigturbogt View Post
And why would that be? I believe you will find that there is not mysterious turbo, or special alloy. BTW, a rally car isn't a super powerful car. Just from my guess maybe 400hp.

~300. World Rally Car specs out a 2.0 litre with a 34 mm restrictor. According to wikipedia, that originally limited the cars to 300 HP but they make a bit more now.
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Old 09-16-2008, 08:36 AM   #10
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Quote:
Originally Posted by bigturbogt View Post
And why would that be? I believe you will find that there is not mysterious turbo, or special alloy. BTW, a rally car isn't a super powerful car. Just from my guess maybe 400hp.
Your average rally car runs a turbo inlet restrictor thats less than an inch and a half in diameter. Also, last I checked...while they make only about 300hp, some make upwards of 450-475tq peak. The new WRC car (the 08 body style) is rated at "650Nm of torque" which converts to about 480 ft/lbs. That takes a pretty fine tuned ECU and a very specifically made turbo given the restriction, I would imagine.

I've also heard they use titanium housings and wheels. But I honestly don't know. They don't exactly publish this stuff.

Last edited by Russ45; 09-16-2008 at 08:41 AM.
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Old 09-16-2008, 08:43 AM   #11
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There is a huge thread about this. However I cant think of what to tell you to search for. It goes into pretty goo detail about what goes into the building of a WRC car.
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Old 09-16-2008, 10:02 AM   #12
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Quote:
Originally Posted by fred6870 View Post
i tried doing a search but i have a doubt as to what turbo the wrc subie uses, i heard the VF44???

I can almost assure you it isnt an IHI turbo at all.

I cant 100% say, but I would bet on it.

Basically you have to keep in mind this one thing.

Go out to an STI. Open the hood, open the doors and trunk. Put it on a lift.
Look at everything.

the WRC car is nothing like that. It shares the boxer layout of the engine, the outer shape, and little else.
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Old 09-16-2008, 10:03 AM   #13
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Quote:
Originally Posted by bigturbogt View Post
And why would that be? I believe you will find that there is not mysterious turbo, or special alloy. BTW, a rally car isn't a super powerful car. Just from my guess maybe 400hp.
How can you assume you know so much about it when you have to guess (incorrectly might I add) at its power level
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Old 09-16-2008, 10:23 AM   #14
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Assuming=guessing, just dropping my thoughts. But fancy alloy's for a turbo, I would also lay money that it is a no. If they would do it for rally racing why haven't it been adopted for the big T6 race turbos?
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Old 09-16-2008, 10:29 AM   #15
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Quote:
Originally Posted by |Disso| View Post
antilag isn't a turbo..
i no, im assuming he wants to get that turbo, but its not going to run like it does in the wrc unless he runs antilag
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Old 09-16-2008, 10:30 AM   #16
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I can see why there would be different design criteria for road race and rally turbos. I have no idea if there is, but it would not be unreasonable.

Watch a rally driver's feet versus a road racer's feet and you'll see that they use the throttle differently. IMHO the rally car needs faster throttle response.
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Old 09-16-2008, 11:04 AM   #17
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http://www.subaruwrcspares.com/8.html

Start there almost all the way down. New is only $12000ish dollars, a steal.
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Old 09-16-2008, 11:07 AM   #18
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Quote:
Originally Posted by bigturbogt View Post
Assuming=guessing, just dropping my thoughts. But fancy alloy's for a turbo, I would also lay money that it is a no. If they would do it for rally racing why haven't it been adopted for the big T6 race turbos?
Do the big T6 race turbos use anti-lag though? Its used in rally because they NEED it, due to the tight turns and the need to really pop away from them.


From what I understand its not crazy alloys as well. And that they replace the turbo every race, which would be about what I would expect as far as life expectancy on an turbo with anti-lag being used so frequently.
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Old 09-16-2008, 11:32 AM   #19
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If you look at the 03-07 spec SWRT Impreza you will see IHI Turbo decals plastered on the C-pillars... Looking for pics now...

Here is one- http://www.swrt.com/img_gallery/213027627.jpg

Last edited by JohnnyChimpo; 09-16-2008 at 11:44 AM.
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Old 09-16-2008, 11:57 AM   #20
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That doesnt 100% mean that is what they are using.

Although looking at the pics, it looks like an IHI to me.

I know the Group-N cars do use an IHI.
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Old 09-16-2008, 12:08 PM   #21
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Haha, the turbo has it's own metal case! Wonder if the carrier has to handcuff it to one of his wrists, lol?
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Old 09-16-2008, 12:13 PM   #22
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Quote:
Originally Posted by Davenow View Post
Do the big T6 race turbos use anti-lag though? Its used in rally because they NEED it, due to the tight turns and the need to really pop away from them.


From what I understand its not crazy alloys as well. And that they replace the turbo every race, which would be about what I would expect as far as life expectancy on an turbo with anti-lag being used so frequently.
Very true, I couldn't imagine leaving a turn looking up a 40% incline and not having boost. Usually big T6's use a 2-step style anti-lag, no where near the abuse of a true anti-lag, But I do think titanium to be a crazy alloy for a turbo
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Old 09-16-2008, 12:20 PM   #23
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the turbo used on the wrc cars is a garett TR30, the cars make 300hp but ~550tq (I have exact number ssomewhere for the torque) They run a rediculous ammount of boost too. The group N ones are the vf series
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Old 09-16-2008, 12:47 PM   #24
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Quote:
Originally Posted by Davenow View Post
From what I understand its not crazy alloys as well. And that they replace the turbo every race, which would be about what I would expect as far as life expectancy on an turbo with anti-lag being used so frequently.

Actually, i'd guess that the turbine probably IS inconel. The headers are, and it makes sense. Full boost all the time plus the heat of the anti-lag would keep the headers and turbo red hot at all times. Thats amazing abuse.
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Old 09-16-2008, 12:51 PM   #25
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Quote:
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They run a rediculous ammount of boost too.
This is what I have heard as well. Like 50psi+ rediculous.
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