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which turbo on MY06 STI?

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Old 02 March 2006, 03:03 PM
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Re-Volt
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Question which turbo on MY06 STI?

hello all.. any body know what is the turbo in the MY06 STI?

thank you.
Old 02 March 2006, 03:13 PM
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Neilo
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i asked this a while back i think the answer is the VF35, same as the previous models.
Old 02 March 2006, 07:25 PM
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JIM THEO
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Why when USDM STI uses VF39?
Old 02 March 2006, 07:53 PM
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Neilo
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no idea......it could be, nobody seemed to know, i do know the WRX still has the measley TD04....
Old 02 March 2006, 08:14 PM
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Fuzz
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Twin scroll turbo is VF37.

Did a GC8 conversion with one a while back.

Andy
Old 02 March 2006, 10:38 PM
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Neilo
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the UK spec STI still isnt twin scroll though is it?
Old 02 March 2006, 11:06 PM
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Fuzz
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Re-volt never said whether it was Uk or not.


Andy
Old 03 March 2006, 12:55 AM
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Re-Volt
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andy.. yes i didnt mention it sorry. i live in the middle east. i guess we share the same cars with europe i am not sure. i checked subaru.com.au and saw a pdf file under the download section says the turbocharger type is RHF55 manufactured by IHI but i never heared of such model.

the car is very smooth and spools pretty fast. very different from my previous STI7 but the older one pulls really harder on the mid to high range of rpm.
Old 03 March 2006, 08:26 AM
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Neilo
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Originally Posted by Fuzz
Re-volt never said whether it was Uk or not.


Andy
good point well made
Old 30 April 2006, 09:44 AM
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STI8U
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Originally Posted by Re-Volt
hello all.. any body know what is the turbo in the MY06 STI?

thank you.
If it is a 2.0L JDM STI then it is a VF37.

If it is a 2.5L STI then it is a VF39.
Old 30 April 2006, 05:53 PM
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JIM THEO
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Originally Posted by STI8U
If it is a 2.0L JDM STI then it is a VF37.

If it is a 2.5L STI then it is a VF39.
I thought the same until a Subaru mechanic told me the European STI 2.5lt version haven't the same turbo as the USDM STI.
Fingers crossed!
Old 02 May 2006, 12:37 PM
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MikeWood
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VF43
Old 05 May 2006, 06:06 AM
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STI8U
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Originally Posted by MikeWood
VF43
So what is the difference from the VF39 - smaller (since International makes less power than USDM)?
Old 05 May 2006, 10:57 AM
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MikeWood
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Never understood this USDM thing, the US is an EXPORT market for a Japanese manufacturer so surely it should be USEM.

In any case the US STi is 300 hp measured in a different way to how it's done in Europe or Japan. An EU 2.5 STi would probably also be rated at 300hp if measured the same way.

Mike
Old 07 May 2006, 01:03 AM
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JIM THEO
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The European version can easily achieve much more power, think of the PPP that includes regarding exhaust only a free flow back box and hits 320ps!
What if it had full exhaust with proper map etc?
On the other hand the S204 that is 2.0lt with VVT on both intake-exhaust valves (AVCS) with the VF42 has about 320ps and more torque than our STI in standard form!!!
Old 08 May 2006, 03:03 PM
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Jim

Achieving the power is the easy bit.......

Mike
Old 15 July 2006, 06:25 PM
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Jet957
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To my understanding the 06 STi EDM/JDM comes with the VF43 ... does anyone know or have the boost map of this turbo or know where i can find it?
Old 15 July 2006, 06:39 PM
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JDM's come with a VF36/37 depending on model, the S204 has a VF42 though.

Tony
Old 15 July 2006, 07:15 PM
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Jet957
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Originally Posted by TonyBurns
JDM's come with a VF36/37 depending on model, the S204 has a VF42 though.

Tony
weird! a buddy of mine is the owner of a scooby dealer ... he drives a 2006 STi ... he even ordered a VF43 turbo because there was a time that he thought that the turbo in his car was bad.... turbo of his car is oem the VF43

But i am looking for the boost map of this turbo
Old 07 August 2006, 01:36 PM
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does anyone know what the limitations of the VF43 are with regards to max boost, potential, spool up times etc?
Old 24 July 2007, 10:58 PM
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wrxsti06
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What i have read is the VF43 a VF39 with a 0.1 inch bigger wastegate.
Old 06 September 2007, 11:18 AM
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Boxer Turbo
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Interest to me...

https://www.scoobynet.com/general-te...2006-07-a.html
Old 16 July 2012, 04:16 PM
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WRX Blues
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Great thread - about 200 hundered different opinions on which turbo the 2006 Sti has
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