2009 wrx turbo into a 04 wrx ? - Subaru WRX Forum
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#1 Old 12-25-2008, 03:51 AM
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2009 wrx turbo into a 04 wrx ?

i heard that the new 2009 wrx's have a pretty sick little turbo and it will produce up to 260ish hp no problem. i was wondering if the turbo is a bolt on to my 04 wrx. if so whats the name of the turbo. i got the info from the latest car and driver mag. it says that the 09 wrx is quicker then a stock sti which amazes me because it has 30 less hp and about 15-20 less lbft of torque. will i have to change out my tmi with the 09 as well and will that cause any hood closing problems ? just looking into something different. thanks.

Chris
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#2 Old 12-25-2008, 09:21 AM
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Here is a short and simple read. 2007 STI parts to 2008 WRX If you seriously wanted to make it happen. You'd have to swap: turbo (given), tmic, install upgraded injectors, upgrade your fuel pump, and hope that the turbo inlet fits correctly. If it doesn't fit, you might have to swap/change that also. After all of that, you'd probably have to have a e-tune or pro-tune. Because there isn't going to be a OTS map for that.

Edit: Sorry, i forgot that you'd probably want to have the UP changed as well. If you send cat shards through the new turbo, you'd be pretty pissed. TBE isn't necessary to make it work. But, it would greatly enhance performance. That brings up another good question. I doubt the DPs are compatiable. But, I wouldn't know. I don't think it's been done for anyone to know yet.

And another thing...you'd have to use 08-09 IC hose from the TMIC to the turbo. Then hope the hoses from the TMIC to the intake manifold fit or cut some hoses to length.
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#3 Old 12-25-2008, 12:25 PM
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Wouldn't it just be easier to get a VF-39? or a 16g? And I don't remember but doesn't 08-09 have a different layout then the 02-07's?
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#4 Old 12-26-2008, 11:29 AM
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The turbo is a VF52 I believe, a guy just posted about throwing one on his 08. But it would be very difficult if even douable. Plus the VF series of turbos have been known to be a little on the pricey side for what you get out of some of them compared to other turbos. I agree with either getting a Big 16G or maybe for the cheaper a VF43 or 39.

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#5 Old 12-26-2008, 03:13 PM
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Yes, different layout if you looked at the link I posted. I'm sure it's do-able. Just not smart for what you could do for less.
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#6 Old 12-27-2008, 02:21 AM
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+1 to that.

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#7 Old 12-28-2008, 01:54 AM
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Originally Posted by 04wrxhart View Post
i heard that the new 2009 wrx's have a pretty sick little turbo and it will produce up to 260ish hp no problem. i was wondering if the turbo is a bolt on to my 04 wrx. if so whats the name of the turbo. i got the info from the latest car and driver mag. it says that the 09 wrx is quicker then a stock sti which amazes me because it has 30 less hp and about 15-20 less lbft of torque. will i have to change out my tmi with the 09 as well and will that cause any hood closing problems ? just looking into something different. thanks.

Chris
You don't want the 09's turbo. It's not that efficient and it uses a complex layout your car didn't come with. Get a 16G (of any variety). More efficient, more power, easier install, cheaper.

The 09 guys actually want YOUR layout. You don't want theirs

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04 WRX: SOLD
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#8 Old 12-28-2008, 02:29 AM
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You don't want the 09's turbo. It's not that efficient and it uses a complex layout your car didn't come with. Get a 16G (of any variety). More efficient, more power, easier install, cheaper.

The 09 guys actually want YOUR layout. You don't want theirs
Mosc, I would agree that the VF52 wouldn't be an ideal application for his car, and further agree that it's a complex layout. But what makes you feel it's inefficient?

Reason I ask is that I have plans on making roughly 290 whp with one on my 08 within the next few weeks.
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#9 Old 12-28-2008, 02:40 AM
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Originally Posted by 04wrxhart View Post
i heard that the new 2009 wrx's have a pretty sick little turbo and it will produce up to 260ish hp no problem. i was wondering if the turbo is a bolt on to my 04 wrx. if so whats the name of the turbo. i got the info from the latest car and driver mag. it says that the 09 wrx is quicker then a stock sti which amazes me because it has 30 less hp and about 15-20 less lbft of torque. will i have to change out my tmi with the 09 as well and will that cause any hood closing problems ? just looking into something different. thanks.

Chris
Hey Chris,

The 0-60 figures the 09 WRX puts down has caused a lot of hype and rumors concluding that it's a faster car. Don't get me wrong, the '09 turbo is certainly capable of STI power, as the vf52 used is essentially a vf48(STI turbo) in a different housing. But it's still not an STI (gearbox, drivetrain, intercooler, suspension, etc...)

The reason the '09 WRX beat the STI 0-60 is two reasons:

1 - The STI is roughly 300 lbs heavier.
2 - The WRX only requires a single shift to reach 60, as it's accomplished in 2nd gear. The STI requires one additional shift, which is worth roughly .3 seconds even in the hands of a professional driver.
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#10 Old 12-28-2008, 11:20 AM
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Originally Posted by Boost Addict View Post
Mosc, I would agree that the VF52 wouldn't be an ideal application for his car, and further agree that it's a complex layout. But what makes you feel it's inefficient?

Reason I ask is that I have plans on making roughly 290 whp with one on my 08 within the next few weeks.
It's an IHI turbo. It's not that great. You have an unusual layout so you don't have a lot of options but if you wanted to put a serious turbo in there, you'd have to switch to a more conventional layout. Mitsubishi turbos are the next step up although the best turbos are Garrett designs.

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#11 Old 12-28-2008, 01:00 PM
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It's an IHI turbo. It's not that great. You have an unusual layout so you don't have a lot of options but if you wanted to put a serious turbo in there, you'd have to switch to a more conventional layout. Mitsubishi turbos are the next step up although the best turbos are Garrett designs.
Considering the TD04 my car came with, the VF52 is a great upgrade! Good for anywhere between 290-320 whp all the way to the higher rev band. Even shooting for the lower end of that scale, that's an additional 60 whp than my custom tuned Stage 2. I agree with your comparisons to Garrett's and Mitsu's, but still can't see the VF52 as an inefficient snail.
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#12 Old 12-28-2008, 04:02 PM
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Originally Posted by Boost Addict View Post
Considering the TD04 my car came with, the VF52 is a great upgrade! Good for anywhere between 290-320 whp all the way to the higher rev band. Even shooting for the lower end of that scale, that's an additional 60 whp than my custom tuned Stage 2. I agree with your comparisons to Garrett's and Mitsu's, but still can't see the VF52 as an inefficient snail.
Are you trying to purchase a VF52 new?Any turbo that fits a Legacy GT fits the 08-09 WRX's.

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#13 Old 12-28-2008, 11:15 PM
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also, the TD04 was stock on the 02-07, not the 08...

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#14 Old 12-28-2008, 11:43 PM
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Are you trying to purchase a VF52 new?Any turbo that fits a Legacy GT fits the 08-09 WRX's.
Yeah, I was originally going to go with a used vf40. But I saw much greater potential with the vf52.
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#15 Old 12-29-2008, 01:53 AM
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Boost Addict: Please disclaim your numbers...your talking stage 2 + protune numbers. I've read your posts. A IHI VF 52 will not produce 290-320 (rough guesses) whp stock. Considering a VF48 won't do that stock either. Not belittleing you, just saying to clairify your not talking stock. Don't want people to get the wrong impressions. I'm actually curious to see what a stage 2 09 wrx setup with a protune can produce. Should be awesome numbers. I know what a upgraded 08 sti can do with a blouch 50 trim turbo and protune can make. There is one locally around here for sale, off the tuner that upgraded it. From a mustang dyno it made 327 wheel horsepower and 329 wheel torque on 93 octane. The link of the car if you want to look at it: Current & Past Projects 08 STI

Edit: Apprantly the 08 STI TMIC is pretty good, if they're running the stocker. Just re-painted with tuner logo. They don't have it listed as upgraded.
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