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Old 03-05-2012, 01:00 AM   #1
907scoobyrex07
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Member#: 296069
Join Date: Sep 2011
Chapter/Region: AKIC
Location: Wasilla
Vehicle:
05 Sti
Obp

Default looking for some input?

So im debating a bigger turbo setup this summer... My car is fairly stock minus a few upgrades. I was thinking a rotated setup or a decent 20g stock location. Any advice on good turbos and supporting mods? My car as it sits currently is a 07 wrx with a sti tmic, invidia n1 tbe, sti injectors, and a turbo xs bov (not that it matters.) I also have a walbro 255, a labonate motorsports meth injection, and a grimmspeed 3port sittin on my bedroom floor waiting to be installed. Other than that car is fairly stock, also has stock 5mt. Any input, suggestions will help thanks!
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Old 03-05-2012, 01:11 AM   #2
ridestreet84
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Location: Davis Monthan, AZ
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broken again

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With a larger turbo it's just a question of what will go first the ringlands or the tranny
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Old 03-05-2012, 01:25 AM   #3
907scoobyrex07
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Quote:
Originally Posted by ridestreet84
With a larger turbo it's just a question of what will go first the ringlands or the tranny
So what would be a good plan on buying/installing before hand so i can avoid that situation?
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Old 03-05-2012, 01:28 AM   #4
Nomadgene
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Quote:
Originally Posted by 907scoobyrex07 View Post
Any input, suggestions will help thanks!
What is the purpose of this car? What are you going to do with this bigger turbo?

Are you going to take it Drag racing? Autocrossing? Or just as a thing to have and romp around the streets with? Each of those may produce a different answer.

My advice…get clear on your goal and choose a competent tuner.

They are extremely rare here in Alaska.
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Old 03-05-2012, 01:33 AM   #5
907scoobyrex07
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05 Sti
Obp

Default

Quote:
Originally Posted by Nomadgene

What is the purpose of this car? What are you going to do with this bigger turbo?

Are you going to take it Drag racing? Autocrossing? Or just as a thing to have and romp around the streets with? Each of those may produce a different answer.

My advice…get clear on your goal and choose a competent tuner.

They are extremely rare here in Alaska.
I was actually thinkin autocross and maybe try out ice racing next winter and maybe the track a couple times to see what it can do. I just want an all around strong car, and for it to have a little more getup than it does now. And my car is currently stage 2 tuned by seth and he does excellent work!
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Old 03-05-2012, 01:51 AM   #6
Nomadgene
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I don't know you but I'm willing to bet you already have more car than you can handle on a course.

Last edited by Nomadgene; 07-09-2012 at 10:20 AM.
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Old 03-05-2012, 02:02 AM   #7
akeric
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My car is black not

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Quote:
Originally Posted by 907scoobyrex07 View Post
So what would be a good plan on buying/installing before hand so i can avoid that situation?

build the motor, build the tranny, or buy an evo? lol

I tried to build my 07 sti but you need quite a bit to make reliable power. The ring lands would be what I consider issue number 1, even with 400whp its not like the tranny is going to come apart unless your just dumping it all over the place. The ring lands on the other hand are just a matter of time. Maybe look into getting pistons, bearings, and rods first then upgrading the turbo. You'll have to do the engine work anyway if you want to make more than 350 hp for any decent length of time, so might as well get it out of the way.

I know it might not seem like a good way to spend $$$$ but consider
http://www.maperformance.com/maperfo...ubsb-stg2.html

if you go bigger (especially rotated) your just going to have a car that won't run right because the ring land is busted somewhere.
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Old 03-05-2012, 02:16 AM   #8
907scoobyrex07
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Obp

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Well you would be correct by saying i dont have much knowledge. But i am very eager to learn thats why i was planning on buying parts for my car so i can learn it and know whats in it and if something goes wrong be able to do it myself. I myself did not build this car no it was purchased this way. I have helped a few of my friends build and pull they're motors (where my partial knowledge was aquired) I have owned it for almost a year now and yes im still gettin used to it. I dont really have any race experience, but thats why i would like to get out there and try out these events. I am 23 years young and have been driving on my own since i was 16 had my permit at 15.
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Old 03-05-2012, 02:26 AM   #9
ridestreet84
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broken again

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I'd say wait until the summer comes to see what mod to do first, come out to an autocross an see what the car does first
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Old 03-05-2012, 02:29 AM   #10
907scoobyrex07
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Join Date: Sep 2011
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Location: Wasilla
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05 Sti
Obp

Default

Quote:
Originally Posted by ridestreet84
I'd say wait until the summer comes to see what mod to do first, come out to an autocross an see what the car does first
Im thinkin thats my best bet!
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Old 03-05-2012, 02:30 AM   #11
granny
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That's what I did! Found out that Granny was a dog. Pushed her hard though.
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Old 03-05-2012, 02:40 AM   #12
Nomadgene
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TWIN-SCROLL Black Bugeye

Default

Quote:
Originally Posted by ridestreet84 View Post
I'd say wait until the summer comes to see what mod to do first, come out to an autocross an see what the car does first
It will give you a good idea of just how much you need to work on the driver mod.

That is the number one thing you can do for your car's performance!

Last edited by Nomadgene; 07-09-2012 at 10:20 AM.
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Old 03-05-2012, 02:41 AM   #13
insane_one
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My opinion (from another scooby newbie)

Take baby steps. Are you sure you want a 20g or a rotated setup? Have you driven/ been in a car with that kind of power? Are you ready to face the consequences of more power (blown motor/tranny)

Me going from a 201hp 06 Civic Si to my WRX now was a big jump. I was pretty scared to really get on it when i first got my WRX. As im learning how the car acts ive become more comfortable with it but at times it still scares me. And im pretty sure ive got more car than i can handle so i plan to get active in motorsports this summer (auto X/drag) to really learn my car and my limits. plans for my wrx are more suspension/handle mods than power. If you havent experienced anything more than stage 2 i suggest you should. Dont bite more than you can chew.
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Old 03-05-2012, 02:46 AM   #14
907scoobyrex07
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Join Date: Sep 2011
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Location: Wasilla
Vehicle:
05 Sti
Obp

Default

I have indeed been in/drivin my good friends 04 sti its by far the fastest car i have ever been in estimated 450-500 hp that car scares the **** outta me.
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Old 03-05-2012, 02:48 AM   #15
907scoobyrex07
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Obp

Default

Quote:
Originally Posted by Nomadgene

Based on what you've answered 907scoobyrex07, this is excellent advice and the best that you're likely to get from any source.

Stay safe this winter and get out to an ice race while you are waiting for things to thaw out. It will give you a good idea of just how much you need to work on the driver mod.

That is the number one thing you can do for your car's performance!
I would really love to but it seems all these events happen while im away at work...
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Old 03-05-2012, 02:49 AM   #16
insane_one
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would you be ready to daily drive something like that? lol i know i wouldnt
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Old 03-05-2012, 03:18 AM   #17
kyletakahero
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Aspen white

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Definitely go to an autoX. Just one event made me realize how little I knew my car, a car that I thought I had known in and out and boy was I wrong.
It gives you a place to start, a place to stand back and look at your car as an instrument that you must learn to play, how to read what's going to happen ahead of time, and how to "tune" (pun intended).
It will do wonders on what type of mods you choose first.
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Old 03-05-2012, 03:42 AM   #18
Akboost
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Hi I was just wondering if any one knows we're I can find a 90s 240sx for sale?
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Old 03-05-2012, 05:51 AM   #19
insane_one
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they have them forsale at walmart
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Old 03-05-2012, 10:14 AM   #20
DaBlueSquirrel
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Chapter/Region: AKIC
Location: North Pole, Alaska
Vehicle:
2002 WRX
Blue

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Quote:
Originally Posted by 907scoobyrex07

I would really love to but it seems all these events happen while im away at work...
Im pretty new to this forum, but i have quickly realized that there is alot of knowledge here to absorb. As far as the ice track we all go out there all times of the day, you could come with if you would like to check it out. Just follow the fairbanks meets thread
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Old 03-05-2012, 11:19 AM   #21
retrac
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Quote:
Originally Posted by Akboost View Post
Hi I was just wondering if any one knows we're I can find a 90s 240sx for sale?
Wait a month, Kyle will sell his.

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Old 03-05-2012, 12:11 PM   #22
ridestreet84
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broken again

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Quote:
Originally Posted by retrac

Wait a month, Kyle will sell his.
Ahh snap
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Old 03-05-2012, 12:23 PM   #23
seventhgear
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2008 Spec b
Diamond grey metallic

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My advice would be to get a invidia devorced down pipe and pick up a vf-43 turbo. I have the same setup if you wanna go for a ride. It pulls all the way through 3rd. Other than that suspension and breaks. Sway bars on mine has made a world of difference. No need to go rotato. That set up has plenty of power and will save your engine and tranny.
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Old 03-05-2012, 12:41 PM   #24
kyletakahero
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Quote:
Originally Posted by retrac View Post
Wait a month, Kyle will sell his.


Hahaha, basically. Either that or give it to my brother.
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Old 03-09-2012, 02:16 PM   #25
P3Auto
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2014 P3 Import Auto
AWD Dyno, Mods, etc

Default

Thanks for the good words!

We have some customers who have gone with 20g or similar turbo setups. With meth/water, a safety system, and a lower pressure conservative tune your car can and will hold together. We have someone with a 2.5xtr turbo and meth/water that has over 20k miles of hard driving and no motor issues his is tuned to 19psi...

You will need to upgrade injectors to support the added power. Keep in mind (and this is what many don't get) 15psi on a stock turbo is not the same flow as 15psi on say a 20gxt. Conservative boost even though it may seem less on the gauge can yield nice smooth and long lasting power curves that make your car much faster.

The important thing is to size the turbo for your needs, smaller faster spool, larger slower spool but better peak hp. I personally in your shoes would not exceed a 20gxt sized turbo. You simply won't be able to appreciate the gains of a larger turbo without some internal engine upgrades. Clutch will probably slip as well.

On a side note if you get the water/meth setup there are some pretty big gains with that and a new tune to support it.


Quote:
Originally Posted by 907scoobyrex07 View Post
I was actually thinkin autocross and maybe try out ice racing next winter and maybe the track a couple times to see what it can do. I just want an all around strong car, and for it to have a little more getup than it does now. And my car is currently stage 2 tuned by seth and he does excellent work!
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