FS: IHI VF41 Turbo (JDM Forester STi Turbo) - Subaru Forester Owners Forum
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post #1 of 34 (permalink) Old 08-21-2008, 09:43 AM Thread Starter
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FS: IHI VF41 Turbo (JDM Forester STi Turbo)

Yup, that's right! If you want to make your Forester a true Forester STi, then this one is for you. It has the same inlet/outlet positioning as the stock turbo or a WRX STi turbo so it will be a direct bolt on replacement like a vf39.

I am not entirely sure about the mileage of this turbo, but it's pretty clean all around. There is no shaft play and the wheel spins free.

I know the fact that I just registered for this forum might seem a little sketchy, so go take a look at my NASIOC one if you want proof I don't scam people.
NASIOC


And now, time for some pictures!







Since these are so uncommon a turbo to find, I'm looking for $500 right now. There will be no "dibs" either, first one to get me money gets it.

It's available for pickup in Huntington Beach, CA or if you want to pay for shipping/paypal fees I don't mind shipping it.

Thanks for looking!
-Kevin

Last edited by Computergeek24; 08-25-2008 at 02:35 PM.
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post #2 of 34 (permalink) Old 08-21-2008, 09:59 AM
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Bump for you Kevin!!!!!

I was wondering if you were ever going to sell it!!!

4eat, 20G XT, EWG, Yimi Tuned....
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post #3 of 34 (permalink) Old 08-21-2008, 10:01 AM
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What are the power capabilities compared to a VF39?
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post #4 of 34 (permalink) Old 08-21-2008, 10:21 AM Thread Starter
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Bump for you Kevin!!!!!

I was wondering if you were ever going to sell it!!!
Thanks for the bump JE

Quote:
Originally Posted by sleeperxt View Post
What are the power capabilities compared to a VF39?
I'm really not sure exactly what it's capable of, but it should be at least on par with the 39/43 if not better.
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post #5 of 34 (permalink) Old 08-21-2008, 02:28 PM
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VF41 is a happy median between the TD04 and the VF39. Good turbo for the forester engine&tranny.
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post #6 of 34 (permalink) Old 08-21-2008, 03:43 PM
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VF41 is a happy median between the TD04 and the VF39. Good turbo for the forester engine&tranny.
free bump

Is the VF43 really that different from VF39, if there is one in between VF41 some differences must be there?
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post #7 of 34 (permalink) Old 08-21-2008, 04:18 PM Thread Starter
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If there weren't any differences, IHI wouldn't have given them different model numbers.

What the differences are though, I'm not sure. There must be a reason Subaru chose to use this one on the Forester instead of the 39/43 though.
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post #8 of 34 (permalink) Old 08-21-2008, 04:25 PM
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There's some vague info on the VF41 in this thread and also here.

-Silke
04 FXT PP PSM ~ "Subed"
98 Forester S ~ "Slynki"
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post #9 of 34 (permalink) Old 08-22-2008, 12:45 PM Thread Starter
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Bump!
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post #10 of 34 (permalink) Old 08-22-2008, 08:56 PM
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The VF41 is pretty similar to the VF39...well really similar. Here's an address to a Japanese SG9 DIY site. This guy is pretty nuts about documenting his mods to the Forester (the link below is one of his mods which happens to be his turbo upgrade). You'll have to translate this page (I used google translation), but it goes into some details about the 41 that I haven't seen elsewhere.

According to the site, the stock VF41 pushes anywhere from 370-380WHP...I'm sure there are some errors from the common roller dynos.


http://ikomayama.web.infoseek.co.jp/...er_turbo1.html

Last edited by Roo; 08-23-2008 at 12:15 AM. Reason: Stealing thunder is a no-no.
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post #11 of 34 (permalink) Old 08-24-2008, 12:17 PM
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Any other pictures?
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post #12 of 34 (permalink) Old 08-24-2008, 12:26 PM
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HMmm... I for one would not even begin to believe those power figures. I don't know crap about a VF41 but if it's similar to a 39 you'll be lucky to get 300whp.

I am pretty curious about this turbo. What exactly makes the VF41 so special? For $600 why not go with a VF34 or even a brand new 16g? Just curious.


Quote:
Originally Posted by intelman View Post
The VF41 is pretty similar to the VF39...well really similar. Here's an address to a Japanese SG9 DIY site. This guy is pretty nuts about documenting his mods to the Forester (the link below is one of his mods which happens to be his turbo upgrade). You'll have to translate this page (I used google translation), but it goes into some details about the 41 that I haven't seen elsewhere.

According to the site, the stock VF41 pushes anywhere from 370-380WHP...I'm sure there are some errors from the common roller dynos.


http://ikomayama.web.infoseek.co.jp/...er_turbo1.html

Get your SF.org decals at http://www.LampOneDesigns.com
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post #13 of 34 (permalink) Old 08-24-2008, 02:04 PM Thread Starter
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Any other pictures?
What part of it in particular did you want a picture of?
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post #14 of 34 (permalink) Old 08-25-2008, 10:33 AM Thread Starter
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Bump!
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post #15 of 34 (permalink) Old 08-25-2008, 01:14 PM
 
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Quote:
Originally Posted by toddlamp View Post
HMmm... I for one would not even begin to believe those power figures. I don't know crap about a VF41 but if it's similar to a 39 you'll be lucky to get 300whp.

I am pretty curious about this turbo. What exactly makes the VF41 so special? For $600 why not go with a VF34 or even a brand new 16g? Just curious.
Dont know, I paid 650 shipped today for a new VF48
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