Sti Turbo For WRX....? - Subaru WRX Forum
 
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post #1 of 14 Old 11-15-2007, 07:10 AM Thread Starter
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Sti Turbo For WRX....?

a buddy of mine just put a top rotated top mount turbo in his 05 sti
and has his old stock 05 sti turbo with about 30k on it and its not blown...

would the 05 sti turbo fit a 06 wrx non sti..... all i would need is bigger injectors and
some kind of em.... correct?
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post #2 of 14 Old 11-15-2007, 07:17 AM
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Quote:
Originally Posted by IH8PVMNT View Post
a buddy of mine just put a top rotated top mount turbo in his 05 sti
and has his old stock 05 sti turbo with about 30k on it and its not blown...

would the 05 sti turbo fit a 06 wrx non sti..... all i would need is bigger injectors and
some kind of em.... correct?
Correct. It would work just fine. I would also suggest picking up his TMIC if he switched to a FMIC.

My name is Ken and I am a HP Junkie.
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post #3 of 14 Old 11-15-2007, 09:19 AM Thread Starter
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Yyea i was checking out the ssautochrome tmic there dirt cheap and bigger than the STI ones and ive heard good things about it might pick one of those up...
anything els i should consider
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post #4 of 14 Old 11-15-2007, 11:16 AM
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a fuel pump

Dom Tuned 2003 WRX Wagon
251.3 WHP
235.8 WTQ

If it's worth doing, it's worth overdoing
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post #5 of 14 Old 11-15-2007, 11:18 AM
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yea a TBE, a fuel pump and BCS. you will need all these. for the turbo upgrade.

rollin on 17's now and they're dirty
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post #6 of 14 Old 11-15-2007, 11:18 AM
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you beat me by 2 mins nagy. lol

rollin on 17's now and they're dirty
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post #7 of 14 Old 11-15-2007, 03:22 PM
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On the o6 wrx the injectors are the same as the sti so you could save the money, but yeah get a bigger I.C, TBE, fuel pump and a good tune.

p.s you might want to double check the info on the injectors cause i know the 07 wrx injectors are in fact the same as the sti.
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post #8 of 14 Old 11-15-2007, 03:55 PM
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yea.. i have VF39 too but my 07' doesn't need bigger injecters.
it's already flowing 500+cc.
but u need fuel pumps, ems, TBE, bigger TMIC or front mount(laggy)

291.11whp/321.13wtq 18psi
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post #9 of 14 Old 11-15-2007, 04:46 PM Thread Starter
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Quote:
Originally Posted by Jonpark View Post
yea.. i have VF39 too but my 07' doesn't need bigger injecters.
it's already flowing 500+cc.
but u need fuel pumps, ems, TBE, bigger TMIC or front mount(laggy)
i was just going to throw on a bigger TMIC for the fact that i know and have heard the
FMIC's are laggy.... That should be enough.
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post #10 of 14 Old 11-16-2007, 12:54 PM
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Quote:
Originally Posted by IH8PVMNT View Post
i was just going to throw on a bigger TMIC for the fact that i know and have heard the
FMIC's are laggy.... That should be enough.

I have an OBX TMIC. I think i like it...it was cheap...$300 isn't that bad...

291.11whp/321.13wtq 18psi
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post #11 of 14 Old 11-16-2007, 02:40 PM
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The 06-07 WRX actually has a couple CC larger than the STI... I no it is weird, but that is what a Subaru Tech with an 06 STI told me himself.

The VF39 will be basically a direct bolt on. You will NEED a tune, at least the STI TMIC and Y-pipe, TBE, and then there is a little restrictor pill that will need to be drilled out a little to give you proper vacuum to run the VF39. A fuel pump will help your fuel efficiency go down, but it should also help with the fuel delivery to that thirsty engine that is now running a bigger turbo.

Be sure to check and double check for cracks in the housing on the turbo and for any play in the turbine shaft!
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post #12 of 14 Old 11-16-2007, 02:52 PM Thread Starter
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The 06-07 WRX actually has a couple CC larger than the STI... I no it is weird, but that is what a Subaru Tech with an 06 STI told me himself.

The VF39 will be basically a direct bolt on. You will NEED a tune, at least the STI TMIC and Y-pipe, TBE, and then there is a little restrictor pill that will need to be drilled out a little to give you proper vacuum to run the VF39. A fuel pump will help your fuel efficiency go down, but it should also help with the fuel delivery to that thirsty engine that is now running a bigger turbo.

Be sure to check and double check for cracks in the housing on the turbo and for any play in the turbine shaft!
restrictor pill...? where would this be ?
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post #13 of 14 Old 11-16-2007, 03:01 PM
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This will point you in the right direction with the complete list of upgrades that will be advisable to get this upgrade to work properly.

http://www.accessecu.com/accessport/...1%20MTv102.pdf
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post #14 of 14 Old 12-13-2007, 05:00 PM
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Its really simple, surprised no one just laid it out:
1.STI TMIC ($250-$300)
2.Fuel Pump (optional) ($100)
3.Cobb AP or some other form of engine management (The AP has OTC maps) ($400-
$600)
4.A Turbo-Back exhaust (catless, or with one high-flow cat) ($400-$700)
5.An upipe (this depends on the year, 06 will NOT need it) ($130)
6.A boost gage (if you don't already have one) ($120)

Cobb AP OTS map shows an increase to 360+HP and 350 ft. lbs of torque (stock your currently seeing 227 hp and about 220 ft. lbs. torque)

Trust me, its like driving a whole different car!

Minimum, you'll need 1,3,4 tp even start that VF-39!
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