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Old 03-25-2013, 01:12 PM   #1
Ebranch
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Default 2012 WRX - mods for 350whp

I hate to start another thread like this and yes, I have searched. I've been a flip flopper with my Subie and keep changing my mind. I'm currently at stage 1... Had big plans for big numbers and got gun shy..... sold everything. Now I'm thinking that I may want to continue and shoot for a 350whp target. Only dynojets around me, so that's the scale we can work on. This may see a few passes down the strip, but itd ultimately be my daily.

Suggest a turbo setup that spools quickly and gets me to 350 without maxing out. I have about 5k to spend on this or possibly a Miata.... And I'm too chubby for a Miata.

I've looked into Perrin rotated kits, but it seems like overkill for such lower goals. Looking to maintain stock clutch, internals, etc. Has to be on 93 octane.

Thoughts? Blouch 20g?
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Old 03-25-2013, 01:15 PM   #2
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Talk to your tuner
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Old 03-25-2013, 01:33 PM   #3
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Quote:
Originally Posted by Mr Wrex View Post
Talk to your tuner
^this.

We could all tell you our setups and what we dyno'd, but if we arent all using the same tuner (or car for that matter) the results will be different.

My tuner may be able to get me 350 with mods XYZ, but yours might be able to do it with mods ABC and save you money...or visa versa.

Also, 350whp on the stock clutch is pushing it, so you will most likely need a stronger one (according to my tuner). Your tuner may say the stock clutch is ok and end up saving you some money... see what I did there ; )
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Old 03-25-2013, 01:47 PM   #4
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Just posting here for community input... I don't have a local tuner and the closest shops to me (1.5-2 hours) made some outrageous hp claims with few mods. I'm well aware that everything is variable, but I posted looking for a consensus on a mild set up to get me in a certain range. I'm most curious about rotated set ups that aren't squeezed for every pony and their drivability. When I chatted with Perrin about this a few months ago, I was basically told that it'd be a waste.
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Old 03-25-2013, 02:11 PM   #5
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Have you done ANY research at all? This thread is entirely too common because of lack of research.
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Old 03-25-2013, 02:17 PM   #6
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I agree you have a ton of reasearch you need to do, but for the sake of goving you some places to start....

TBE
Bigger injectors/new pump
Dom1.5
Bigger intercooler ( top mount will work fine)
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Old 03-25-2013, 02:49 PM   #7
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I'm aware of the supporting mods that are needed and I have done some research. I know I will need fuel mods, dp, boost controller, IC, etc. Maybe I've worded this thread incorrectly...

I've only seen guys go rotated to make over 400 hp. There doesn't seem to be a lot of other options (aside from blouch) out there for the 08+. I don't have crazy goals... I just don't want to have to max anything out to hit my target.

Maybe we should call it quits on this thread... It doesn't seem to be going in a positive direction.
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Old 03-25-2013, 03:29 PM   #8
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Take a look at some of the build threads and that should give you a better idea.

You shouldn't need to go rotated to hit 350. But again, find a good tuner in your area and ask him that.

I am at 312whp with TBE, intake, EBCS, BPV, and a bigger TMIC. Your numbers could be very different.
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Old 03-25-2013, 04:26 PM   #9
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Originally Posted by jpatt006 View Post
Take a look at some of the build threads and that should give you a better idea.

You shouldn't need to go rotated to hit 350. But again, find a good tuner in your area and ask him that.

I am at 312whp with TBE, intake, EBCS, BPV, and a bigger TMIC. Your numbers could be very different.
Will do. I actually had those mods purchased plus a fuel pump when I backed out and sold everything. Right now I just have the cobb sf, cbe and AP. I think I need to suck it up and head north for a good tuner.
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Old 03-25-2013, 04:45 PM   #10
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What is it with this forum, and people's obsession with dyno numbers? Usually most people mod their car, then take it to a dyno, and then come to the forum to brag (or cry) about their numbers. But not here ... no, on NASIOC people theorycraft about how to reach xxx hp as cheaply as possible.

OP, here is my honest advice. Forget "350hp" or whatever else your thinking. If you want more power, then start adding performance parts until your satisfied with the car. As you add power, be sure to also add supporting mods to keep the car more reliable if it is your daily driver. The fastest way to break your car is to compile a huge list of parts, and throw them all on there at once when you don't have much experience with this stuff.

Sorry if I'm coming off as a dink here, that's not my intention ... but your coming from stage 1, and talking about new turbos already. Put a TBE on and get a stage 2 tune, then re-evaluate the car. You might find your happy with that power on the stock turbo. If not, add a few more things and then re-evaluate ... and so on.
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Old 03-25-2013, 05:11 PM   #11
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What is it with this forum, and people's obsession with dyno numbers? Usually most people mod their car, then take it to a dyno, and then come to the forum to brag (or cry) about their numbers. But not here ... no, on NASIOC people theorycraft about how to reach xxx hp as cheaply as possible.

OP, here is my honest advice. Forget "350hp" or whatever else your thinking. If you want more power, then start adding performance parts until your satisfied with the car. As you add power, be sure to also add supporting mods to keep the car more reliable if it is your daily driver. The fastest way to break your car is to compile a huge list of parts, and throw them all on there at once when you don't have much experience with this stuff.

Sorry if I'm coming off as a dink here, that's not my intention ... but your coming from stage 1, and talking about new turbos already. Put a TBE on and get a stage 2 tune, then re-evaluate the car. You might find your happy with that power on the stock turbo. If not, add a few more things and then re-evaluate ... and so on.
I left it out of my original post, but I've been to stage 2 with a custom TP tune and was happy, but wanted more. Then another project caught my interest and I sold back down to an intake an OTS Cobb map. Everything on this forum states post a target post your wants and your means to obtain the goal... That's what my post did. And I actually prefaced this with a "sorry to post another one of these threads" statement. I'm almost 30 looking to get a little more power out of my car, not 17 trying to post up a 900 HP dyno plot.

Once you're past "stage 2", everything requires additional tuning. My only option would be to drive to DC/Baltimore from Richmond. I'm willing to do this once-ish.... Not every time I buy a new part.

Like I said up top, I'm going to abandon this thread because its being received the wrong way. Sorry reading my thread took away from your cat video time.
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Old 03-25-2013, 05:24 PM   #12
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I left it out of my original post, but I've been to stage 2 with a custom TP tune and was happy, but wanted more. Then another project caught my interest and I sold back down to an intake an OTS Cobb map. Everything on this forum states post a target post your wants and your means to obtain the goal... That's what my post did. And I actually prefaced this with a "sorry to post another one of these threads" statement. I'm almost 30 looking to get a little more power out of my car, not 17 trying to post up a 900 HP dyno plot.

Once you're past "stage 2", everything requires additional tuning. My only option would be to drive to DC/Baltimore from Richmond. I'm willing to do this once-ish.... Not every time I buy a new part.

Like I said up top, I'm going to abandon this thread because its being received the wrong way. Sorry reading my thread took away from your cat video time.
I read it, and had a couple take aways.....forum=community knowledge=good.

Besides, who cares about people bitching. NOt all of us have 23 hrs a day to research 30 page posts. Now me, I make time but....not everyone can.
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Old 03-26-2013, 08:03 AM   #13
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Originally Posted by Ebranch View Post
I left it out of my original post, but I've been to stage 2 with a custom TP tune and was happy, but wanted more. Then another project caught my interest and I sold back down to an intake an OTS Cobb map. Everything on this forum states post a target post your wants and your means to obtain the goal... That's what my post did. And I actually prefaced this with a "sorry to post another one of these threads" statement. I'm almost 30 looking to get a little more power out of my car, not 17 trying to post up a 900 HP dyno plot.

Once you're past "stage 2", everything requires additional tuning. My only option would be to drive to DC/Baltimore from Richmond. I'm willing to do this once-ish.... Not every time I buy a new part.

Like I said up top, I'm going to abandon this thread because its being received the wrong way. Sorry reading my thread took away from your cat video time.
You can still give your tuner a call before heading over to him. Tell him your goals and he'll give you suggestions to reach it. Once you get a list from him, buy all the parts, install them, flash on a limp-mode map (obtain this from your tuner), and drive to the tuner while avoiding boost.

Quote:
Originally Posted by MercRising View Post
I read it, and had a couple take aways.....forum=community knowledge=good.

Besides, who cares about people bitching. NOt all of us have 23 hrs a day to research 30 page posts. Now me, I make time but....not everyone can.
Everyone should definitely research first and then ask questions to supplement their research... not make "tell me what to buy for my car" threads. Why modify your car if you have no idea what each mod does? We could suggest throwing meth into your car and if you blindly follow that idea, you could wind up with one toasty subie
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Old 03-28-2013, 04:26 AM   #14
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To OP, you did it correctly. At least, as correctly as you could. People are dumb: without a full history everyone refuses to answer a simple question.

Anyway, 350whp is going to depend on a couple things. Mainly, fuel and dyno. If you stick to 91 octane I'd say go rotated. Definitely going to hit your goal with a 3076 (52lb/min) on 91. Plus, it's a great turbo for the 2.5 and you could always go bigger if you want or simply crank up the boost.

Safer option for the engine would be a 20g (42-47lb/min) variant (td06 8 or 10cm). Should get you close to 350 whp on most dynos with pump gas. Definitely with e85. Could just throw it on and have a great dd setup and say damn the numbers and enjoy.

Call the tuner you plan on going too, see what he says. He should definitely know what it takes to hit your goal on his dyno.
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Old 03-28-2013, 11:54 AM   #15
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I'll throw in another cliche' for threads like this.

Start saving for a new motor and tranny at this hp level.
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Old 03-28-2013, 01:13 PM   #16
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Since you are locaish to me (VA Beach dork here) I'll PM you with the best advice and money saving opportunity in the history of the planet. You just go served....and in a good way.
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Old 03-28-2013, 01:21 PM   #17
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Quote:
Originally Posted by Dave D. View Post
I'll throw in another cliche' for threads like this.

Start saving for a new motor and tranny at this hp level.
Good advice but there are many of the newer models doing very well as dailies at that power level. Depends on the driver,tune and correct Maintenance for that power level. I would guess from my reading that 370 to 400 is the real danger area for the stock pistons. The transmission seem to be holding up just fine except for the clutches.
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Old 03-28-2013, 04:21 PM   #18
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Many thanks to Unabomber for being an awesome guy!

I barely drive the speed limit most days! With my other cars, I've gone to the strip 2-3 times a season.
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Old 03-28-2013, 05:28 PM   #19
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Good advice but there are many of the newer models doing very well as dailies at that power level. Depends on the driver,tune and correct Maintenance for that power level. I would guess from my reading that 370 to 400 is the real danger area for the stock pistons. The transmission seem to be holding up just fine except for the clutches.
True, my #4 went at 377whp.
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Old 03-29-2013, 04:13 PM   #20
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Many thanks to Unabomber for being an awesome guy!

I barely drive the speed limit most days! With my other cars, I've gone to the strip 2-3 times a season.
curious to the parts suggested
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Old 03-29-2013, 04:57 PM   #21
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350whp= 100whp more than stock and likely 140wtq more than stock.

Don't expect those already stressed pistons to last long when you're expecting them to handle an additional 40%-50% in hp/tq. Once you exceed about 15-20% power above stock in any motor (NA or forced induction), you're generally outside the design range of the motor. Stout OEM motors like the 2JZ are long gone.
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Old 03-29-2013, 11:39 PM   #22
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350whp= 100whp more than stock and likely 140wtq more than stock.

Don't expect those already stressed pistons to last long when you're expecting them to handle an additional 40%-50% in hp/tq. Once you exceed about 15-20% power above stock in any motor (NA or forced induction), you're generally outside the design range of the motor. Stout OEM motors like the 2JZ are long gone.
Try an American car then. Many stock bottom ends run double the power with stock reliability.
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Old 03-30-2013, 03:20 AM   #23
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Try an American car then. Many stock bottom ends run double the power with stock reliability.
So 5.0 Mustangs are running over 800hp with stock reliability? The Focus ST is pumping out 500hp with stock reliability?

Challengers are running 750hp with stock reliability?

I would like to hear more about these superior engineered American vehicles that are capable of this amazing amount of power while retaining stock reliability.
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Old 03-30-2013, 01:08 PM   #24
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So 5.0 Mustangs are running over 800hp with stock reliability? The Focus ST is pumping out 500hp with stock reliability?

Challengers are running 750hp with stock reliability?

I would like to hear more about these superior engineered American vehicles that are capable of this amazing amount of power while retaining stock reliability.
Oh I thought you realized there are more engines out there than that.
Carry on then.
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Old 03-30-2013, 01:39 PM   #25
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Oh I thought you realized there are more engines out there than that.
Carry on then.
I thought you might say that. Really though, I truly would like to hear about these American engines running double the factory horsepower with stock reliabilty. You said there are "many", and I am really curious which ones they could be.

I built american V8's for my whole life before messing with Subarus, and I cannot think of one motor that could run double factory HP with high reliabilty without changes to some internals.
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