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Old 12-30-2008, 04:55 AM   #1
rice h8r
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Question Highest HP Subaru on Pump and race fuel?

I'm a n00b when it comes to high HP stuff, but I'm curious.

Who has made the most wheel HP on pump gas and on race gas?

I was just day dreaming about building up a 600WHP street driven STI and it seems it's only possible with race gas. What would be the best compromise, 93 pump with meth? It seems expensive to run race fuel all the time and E85 is still hard to find.

Feel free to lock this thread if it's stupid.
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Old 12-30-2008, 05:08 AM   #2
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ibtl and yes its been done
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Old 12-30-2008, 06:01 AM   #3
rice h8r
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What would be needed to create a nice high HP[at least 600WHP] street driven STI?

RAW block? Cosworth block? GT40 twin scroll?
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Old 12-30-2008, 08:19 AM   #4
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Quote:
Originally Posted by rice h8r View Post
What would be needed to create a nice high HP[at least 600WHP] street driven STI?

RAW block? Cosworth block? GT40 twin scroll?
it takes a lot of research, time and money

it is too expensive for c16 on the street and i wish i could run it all the time, but pump and meth would be lots of fun
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Old 12-30-2008, 08:19 AM   #5
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Old 12-30-2008, 09:01 AM   #6
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Quote:
Originally Posted by rice h8r View Post
What would be needed to create a nice high HP[at least 600WHP] street driven STI?

RAW block? Cosworth block? GT40 twin scroll?
One word H6.. only way youll be able to do it realiably and on pump..

im on 526 hp atw currently with a 2.5 and GT40R
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Old 12-30-2008, 12:06 PM   #7
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If you want 600whp on pump gas I suggest you get an engine with a bit more cubic inches..
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Old 12-30-2008, 12:09 PM   #8
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^^^over 1500whp in the last 3 posters combined

before this guy above me...edit
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Old 12-30-2008, 12:32 PM   #9
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First off, before building your setup take a year and research. Try and figure out exactly what you want out of your setup.

If you dont have a goal before you start, then you'll never be done.

Ask yourself these questions (or tell us the answers if you already know them)

- Whats the goal of the car? Do you wanna drag race, autox, or simply a 600whp dyno queen?
- Why 600whp? Why not 550whp or 650whp? Do you have a certain trap speed or ET you wanna reach?
- What dyno are you gonna be using?

Set aside $30-60k to get this project done. ~$30k in parts and $30k in labor.

You know you can get a used z06 for ~$20k now right
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Old 12-30-2008, 12:49 PM   #10
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I think the OP just wants to know what it takes, not really do it.

If he wants to stay with 4 cyl turbos, I'd say ditch the subaru, and get a talon tsi or eclipse gsx and or evo and slap on a big turbo. you'll be @ 600 all day on 93 with the right turbo setup and some motor work

Listen to whatever Phatron has to say in regards to subarus..

but, for street use, point A to B, I think 300-350 whp is more then enough..

****, a stock 2.0 wrx is more then enough for just "daily driving"
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Old 12-30-2008, 01:08 PM   #11
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Quote:
Originally Posted by Phatron View Post

You know you can get a used z06 for ~$20k now right
+1
There is not much fun in a daily driven 600+whp 4 cyl, unless your just romping on it all day...

I wish Ford and GM would start bringing more of those Ausie cars over here.
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Old 12-30-2008, 01:12 PM   #12
CosworthSTI77
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Quote:
Originally Posted by Phatron View Post
First off, before building your setup take a year and research. Try and figure out exactly what you want out of your setup.

If you dont have a goal before you start, then you'll never be done.

Ask yourself these questions (or tell us the answers if you already know them)

- Whats the goal of the car? Do you wanna drag race, autox, or simply a 600whp dyno queen?
- Why 600whp? Why not 550whp or 650whp? Do you have a certain trap speed or ET you wanna reach?
- What dyno are you gonna be using?

Set aside $30-60k to get this project done. ~$30k in parts and $30k in labor.

You know you can get a used z06 for ~$20k now right
This is exactly right on the MONEY, to get you to where you want to be, but wish I knew where to find a z06 for $20k
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Old 12-30-2008, 01:15 PM   #13
Phatron
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www.kbb.com theres one down the street from me....02 40,000 miles $23k. the blue book is only 23.5k on it....ones over 100,000 miles are less than 20k
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Old 12-30-2008, 01:22 PM   #14
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Quote:
Originally Posted by Phatron View Post
www.kbb.com theres one down the street from me....02 40,000 miles $23k. the blue book is only 23.5k on it....ones over 100,000 miles are less than 20k
That sounds great, but do you really believe it would beat a 600 whp sti even if you put work into the z06 !
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Old 12-30-2008, 01:23 PM   #15
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Quote:
Originally Posted by CosworthSTI77 View Post
That sounds great, but do you really believe it would beat a 600 whp sti even if you put work into the z06 !
Are you serious?
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Old 12-30-2008, 01:25 PM   #16
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Originally Posted by Infamous1 View Post
Are you serious?
Well it is an 02 ! You would have to put some decent money into it.
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Old 12-30-2008, 01:28 PM   #17
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Quote:
Originally Posted by CosworthSTI77 View Post
That sounds great, but do you really believe it would beat a 600 whp sti even if you put work into the z06 !
Why would you need to put a whole lot of money in it because it is an 02? You can invest a whole lot less and get a Z06 to be equal to a 600 STi. I love my Subaru but corvette Z06 is a better based car for dragging/straight line racing. This is not a hate on Subaru. STi's and WRX were not built for the purpose of straight line racing. They do off road and autox great and that is what they are built for. A 600whp Z06 would be much easier to drive then a 600whp STi.
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Old 12-30-2008, 01:31 PM   #18
Phatron
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lol....i dont think we wanna start down that road....

but personally, i'd take a $20k car that can run 11's stock over a 600whp unreliable money pit.....
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Old 12-30-2008, 02:35 PM   #19
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+1...........buy the Subaru for the snow and rainy weather.........

Buy the z06 if you want raw tearing of the streets power. STOCK.
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Old 12-30-2008, 02:36 PM   #20
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Quote:
Originally Posted by Phatron View Post
lol....i dont think we wanna start down that road....

but personally, i'd take a $20k car that can run 11's stock over a 600whp unreliable money pit.....
Well put
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Old 12-30-2008, 04:00 PM   #21
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Well an 02 Z06 has only 400 chp, low 300whp, thats the same as a regular +05 vette.The +05 Z06 is nothing comapared to
any other vette. 1st and 2nd gear are pretty much useless with street tires. Only the +05 Z06's will run 11's not the older ones.
You just cant compare an old Z06 to a 600whp car

Last edited by sleepersti04; 12-30-2008 at 04:12 PM.
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Old 12-30-2008, 04:01 PM   #22
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What you really need for HP is an old Viper with a twin turbo setup on it... They are able to get some ungodly whp levels on 91 octane fuel alone... just amazing stuff.
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Old 12-30-2008, 04:36 PM   #23
Phatron
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Quote:
Originally Posted by sleepersti04 View Post
Well an 02 Z06 has only 400 chp, low 300whp, thats the same as a regular +05 vette.The +05 Z06 is nothing comapared to
any other vette. 1st and 2nd gear are pretty much useless with street tires. Only the +05 Z06's will run 11's not the older ones.
You just cant compare an old Z06 to a 600whp car
i thought it woulda been pretty obvious which one i was talking about....

even the 05's+ can be had for ~20k if the mileage is high enough....
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Old 12-30-2008, 04:45 PM   #24
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I'm at 520whp on 93 + meth; 35R/Stock engine. Daily driven for the last 4 or so years. Keep up the routine maintenance and be smart about driving it and you shouldn't have any problems.
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Old 12-30-2008, 04:58 PM   #25
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Quote:
Originally Posted by Phatron View Post
i thought it woulda been pretty obvious which one i was talking about...
Sorry I guess I dont think of 05 being that old yet. I was Assuming you meant the 1st gen Z06


I actually wish they didnt call the Z06 a Z06. I wish they called it the ZR1 instead. So the old ZR1 and the new ZR1 would both be N/A. and the ZR1 now would be the Z06 being supercharged.
trying to keep somewhat tradition
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