Notices

what modifications to make a sti type r over 400bhp?

Thread Tools
 
Search this Thread
 
Old 10 December 2006, 09:14 PM
  #1  
scoobywrx320
Scooby Regular
Thread Starter
 
scoobywrx320's Avatar
 
Join Date: Nov 2006
Posts: 500
Likes: 0
Received 0 Likes on 0 Posts
Default what modifications to make a sti type r over 400bhp?

hi everyone,

if i were to buy a subaru impreza sti type r, what would you say the mods i should consider doing to the car to make it over 400bhp and where would be the best place to have the mods done?any ideas?
Old 10 December 2006, 09:20 PM
  #2  
banny sti
Scooby Senior
iTrader: (68)
 
banny sti's Avatar
 
Join Date: Oct 2004
Location: Type R
Posts: 16,598
Received 22 Likes on 16 Posts
Default

Front mount intercooler
Bigger turbo
550cc injectors
Tubular manifold with larger uppipe
Full 3" exhaust from turbo back
Fuel pressure regulator
Cold air induction kit
Boost controller
Remap (From 99 onwards the standard ecu can be remapped, for earlier cars you will need an aftermarket ecu.

Banny
Old 10 December 2006, 09:56 PM
  #3  
R.B
Scooby Regular
 
R.B's Avatar
 
Join Date: Oct 2002
Location: Donnington Park
Posts: 2,562
Likes: 0
Received 0 Likes on 0 Posts
Default

Internals are a must if you want it to last more than a week.

R.B
Old 10 December 2006, 09:58 PM
  #4  
banny sti
Scooby Senior
iTrader: (68)
 
banny sti's Avatar
 
Join Date: Oct 2004
Location: Type R
Posts: 16,598
Received 22 Likes on 16 Posts
Default

R.B can you quantify that comment, as i have seen several STI's running close to or just over 400bhp on standard internals with no issues.

Banny
Old 10 December 2006, 10:05 PM
  #5  
R.B
Scooby Regular
 
R.B's Avatar
 
Join Date: Oct 2002
Location: Donnington Park
Posts: 2,562
Likes: 0
Received 0 Likes on 0 Posts
Default

Maybe the new sti`s but the older ones are more fragile.

This guy is asking for help and if he is going to be spending the money that i know you need then this is my advice.

As for quantify my opinion i will leave that to the rest of the community on here.

Ive been running subaru`s for 8 years now so i do have a little experience

R.B
Old 10 December 2006, 11:18 PM
  #6  
Torquesteer
Scooby Regular
 
Torquesteer's Avatar
 
Join Date: Sep 2006
Posts: 159
Likes: 0
Received 0 Likes on 0 Posts
Default

I also agree that the standard sti internals are more than upto the job of handling 400bhp. I have seen many uk turbo's running 400bhp or there abouts with no issues.
It all depends on heat managment and how well the car is mapped!
No need to spend an extra £4000 on a re-build for no reason.
Old 10 December 2006, 11:28 PM
  #7  
GazTheHat
Scooby Regular
 
GazTheHat's Avatar
 
Join Date: Aug 2005
Location: 392/361 MY04 STi
Posts: 7,638
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by Torquesteer
No need to spend an extra £4000 on a re-build for no
reason.
But it wouldn't hurt having that in a high savings account for a rainy day.
Old 10 December 2006, 11:40 PM
  #8  
scoobyDAZZA
Scooby Regular
 
scoobyDAZZA's Avatar
 
Join Date: Dec 2002
Location: devon
Posts: 2,944
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by scoobywrx320
hi everyone,

if i were to buy a subaru impreza sti type r, what would you say the mods i should consider doing to the car to make it over 400bhp and where would be the best place to have the mods done?any ideas?

what version MY is it ?

basically as banny says though

turbo - try an MD321 from lateral performance
injectors - 550cc will do
fpr - fuelab
headers - GT-spec
downpipe - hayward and scott 3" open neck
exhaust - 3" revolution system(quiet) or blitz nur spec R(loud)
induction kit - K+N57i
intercooler - front mount, autobahn88 is what i have
clutch - exedy organic
boost solenoid - 3 port from Bob Rawle
remap - TEK3 if v5 or 6 , apexi if v3 or 4 .

not sure on how tough the gearbox is , i know it's a group N on the type R but cannot comment on whether it will hold the torque your likely to be getting , same goes for the internals...

don't really need a boost controller , my controller is my right foot
Old 11 December 2006, 02:40 PM
  #9  
scoobywrx320
Scooby Regular
Thread Starter
 
scoobywrx320's Avatar
 
Join Date: Nov 2006
Posts: 500
Likes: 0
Received 0 Likes on 0 Posts
Default

hi guys, thanks for all your help,im going to try and get prices together for a spec like above.from the spec above though, how much roughly would you say that would cost?if i were to go for that sort of spec above, are they the best makes etc and where would be the best place to buy these parts and get fitted?
Old 11 December 2006, 03:36 PM
  #10  
jaytc2003
Scooby Regular
iTrader: (1)
 
jaytc2003's Avatar
 
Join Date: Aug 2005
Location: Manchester ish
Posts: 18,547
Likes: 0
Received 0 Likes on 0 Posts
Default

Dont the sti's have 550cc injectors anyway as standard?

As above though really, IMO I think the standard internals are capable of those power outputs (911 who posts on here I think has an STI V3 running close to 400bhp with standard internals)

However what I would factor into this is how high a mileage the car currently has, the history of it (do you know the owner, how its been serviced etc), If you dont know the history and it is a high mileage, then personally I would go for new oversize internals, slight overbore on the block, new bearings maybe a crank as well
Old 11 December 2006, 03:55 PM
  #11  
ScuuBdoo
Scooby Regular
 
ScuuBdoo's Avatar
 
Join Date: May 2006
Location: Ireland
Posts: 927
Likes: 0
Received 0 Likes on 0 Posts
Default

440cc injectors as standard I think.

Also, dont the type Rs come with forged pistons as standard?
Old 11 December 2006, 04:02 PM
  #12  
jaytc2003
Scooby Regular
iTrader: (1)
 
jaytc2003's Avatar
 
Join Date: Aug 2005
Location: Manchester ish
Posts: 18,547
Likes: 0
Received 0 Likes on 0 Posts
Default

I thought the stis had pink injectors which I thought were the 550cc., and yes they should have forged internals as standard
Old 11 December 2006, 04:08 PM
  #13  
GazTheHat
Scooby Regular
 
GazTheHat's Avatar
 
Join Date: Aug 2005
Location: 392/361 MY04 STi
Posts: 7,638
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by scoobywrx320
hi guys, thanks for all your help,im going to try and get prices together for a spec like above.from the spec above though, how much roughly would you say that would cost?if i were to go for that sort of spec above, are they the best makes etc and where would be the best place to buy these parts and get fitted?
You'll be lOOking around £6k i would've thought for the "Go" mods. Worth also considering some money for some "Stop" mods.

Here's some prices/alternatives:

turbo - try an MD321 from lateral performance £1500-ish
injectors - 550cc will do £500
fpr - fuelab
headers - GT-spec £450
downpipe - hayward and scott 3" open neck £350 (wrapped)
exhaust - 3" revolution system(quiet) £290
induction kit - K+N57i, APS CAIK, K&N Typhoon (all circa £180-200)
intercooler - hybrid front mount (£300) APS/Monster/Hyperflow (£1000)
clutch - exedy organic
boost solenoid - 3 port from Bob Rawle, Scoobymania £120+vat
remap - TEK3 if v5 or 6, (£695) apexi if v3 or 4 (£750)
Old 11 December 2006, 04:44 PM
  #14  
scoobywrx320
Scooby Regular
Thread Starter
 
scoobywrx320's Avatar
 
Join Date: Nov 2006
Posts: 500
Likes: 0
Received 0 Likes on 0 Posts
Default

i appreciate that m8.cheers

i have a subaru impreza wrx95 at the mo but i want something faster. i am only 20 and the insurance is affordable for this car but the sti's go up quite a bit? there is a nice green subaru impreza uk 2000 for sale on here for 6500 which is 390bhp!realy nice car.

if i bought a uk model would i have to modify it alot more? or could i just buy a big turbo,top of the range mods etc?

what you think guys?
Old 11 December 2006, 06:18 PM
  #15  
GazTheHat
Scooby Regular
 
GazTheHat's Avatar
 
Join Date: Aug 2005
Location: 392/361 MY04 STi
Posts: 7,638
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by scoobywrx320
i appreciate that m8.cheers

i have a subaru impreza wrx95 at the mo but i want something faster. i am only 20 and the insurance is affordable for this car but the sti's go up quite a bit? there is a nice green subaru impreza uk 2000 for sale on here for 6500 which is 390bhp!realy nice car.

if i bought a uk model would i have to modify it alot more? or could i just buy a big turbo,top of the range mods etc?

what you think guys?
I think, if you're 20, you'll struggle to get insurance on a heavily modified subaru with the power output you're after! Unless you're not declaring the mods
Old 11 December 2006, 06:34 PM
  #16  
scoobyDAZZA
Scooby Regular
 
scoobyDAZZA's Avatar
 
Join Date: Dec 2002
Location: devon
Posts: 2,944
Likes: 0
Received 0 Likes on 0 Posts
Default

a UK at 390 bhp should already have uprated internals , , , , if it doesn't then you will have to budget for that lot as well

and gearbox , clutch , etc etc etc

believe me it aint cheap , I KNOW
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Scott@ScoobySpares
Full Cars Breaking For Spares
61
11 January 2021 03:08 PM
Stidara
Subaru
5
23 September 2015 10:30 PM
ben6090
General Technical
17
13 September 2015 08:05 PM



Quick Reply: what modifications to make a sti type r over 400bhp?



All times are GMT +1. The time now is 11:30 PM.