Upgrading STi03
17 December 2005, 05:15 AM
#1
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Upgrading STi03
At present my car has,
2.0L (UK)
Full de-Cat
Ported headers
Andy F Tek3
APS CAIK
It retains the cat in the up pipe as advised by Harvey until a new pipe is manufactured with ECU fix.
I want to achieve circa 400bhp and 400lb/ft, I know the turbo of choice is the TD05 20g or the 18g.
What other things should be taken into account as I don't want a domino effect as in if you do this you will have to do that sort of scenario.
2.0L (UK)
Full de-Cat
Ported headers
Andy F Tek3
APS CAIK
It retains the cat in the up pipe as advised by Harvey until a new pipe is manufactured with ECU fix.
I want to achieve circa 400bhp and 400lb/ft, I know the turbo of choice is the TD05 20g or the 18g.
What other things should be taken into account as I don't want a domino effect as in if you do this you will have to do that sort of scenario.
17 December 2005, 10:27 AM
#2
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Originally Posted by alanjack
At present my car has,
2.0L (UK)
Full de-Cat
Ported headers
Andy F Tek3
APS CAIK
It retains the cat in the up pipe as advised by Harvey until a new pipe is manufactured with ECU fix.
I want to achieve circa 400bhp and 400lb/ft, I know the turbo of choice is the TD05 20g or the 18g.
What other things should be taken into account as I don't want a domino effect as in if you do this you will have to do that sort of scenario.
2.0L (UK)
Full de-Cat
Ported headers
Andy F Tek3
APS CAIK
It retains the cat in the up pipe as advised by Harvey until a new pipe is manufactured with ECU fix.
I want to achieve circa 400bhp and 400lb/ft, I know the turbo of choice is the TD05 20g or the 18g.
What other things should be taken into account as I don't want a domino effect as in if you do this you will have to do that sort of scenario.
Probably looking at injectors, fmic and warlbro fuel pump, might even need an sx reg aswell.
Best bet is to chat with Andy, he can help you far more then the majority on here.
I thought new age sti didn't have a cat in the up pipe?
HTH
17 December 2005, 07:47 PM
#4
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Originally Posted by alanjack
I thought the Sti didn't have a cat also but I am assured it is there.
Maybe the 03does But the 02 deffinatly doesnt,I'd take a look you may have a nice suprise and find theres not one there.
17 December 2005, 09:33 PM
#7
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Perhaps Harvey could elaborate, When the Headers were being done this is the info I was told, I personally wouldn't be able to tell a catted pipe from one without. Harvey did offer me a catless pipe but said it wouldn't run properly or the CEL would come on and I may have problems.
I'll mail this link to HS for him to peruse
Have you any TD05 18g's you don't want Andy?
I'll mail this link to HS for him to peruse
Have you any TD05 18g's you don't want Andy?
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17 December 2005, 09:48 PM
#8
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Location: 7.74 @179 mph 1/4 mile - road legal
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Loads Alan 
As long as you have some money you don't want
If you are up this way anytime I have an 18G on my WRX now, test n try before you buy !!
In fact, its for sale shortly, buy it for your wife
It is currently running 370-380bhp on an Sti intercooler. Your std injectors will cope with this power.
To go over 400bhp gets expensive with fmic's, injectors, headers etc
Andy
As long as you have some money you don't want If you are up this way anytime I have an 18G on my WRX now, test n try before you buy !!
In fact, its for sale shortly, buy it for your wife
It is currently running 370-380bhp on an Sti intercooler. Your std injectors will cope with this power.
To go over 400bhp gets expensive with fmic's, injectors, headers etc
Andy
Last edited by Andy.F; 17 December 2005 at 09:52 PM.
19 December 2005, 10:05 AM
#10
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I don't normally take IHI VF series turbos as exchange as they tend not to be reliable enough for selling to my customers (who generally are going for high boost/power levels) Having said that, they are a good stage 1 upgrade on a WRX or UK 2000 so I may reconsider.
ps, that last car you bought is going quite well now, he is almost catching me up !
ps, that last car you bought is going quite well now, he is almost catching me up !
13 January 2006, 06:58 PM
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Originally Posted by Andy.F
I don't normally take IHI VF series turbos as exchange as they tend not to be reliable enough for selling to my customers (who generally are going for high boost/power levels) Having said that, they are a good stage 1 upgrade on a WRX or UK 2000 so I may reconsider.
ps, that last car you bought is going quite well now, he is almost catching me up !
ps, that last car you bought is going quite well now, he is almost catching me up !
Could you pm me with a figure then for a TD05 18/20 with a px on my vf35
Cheers
Last edited by alanjack; 13 January 2006 at 07:00 PM.
14 August 2006, 12:40 PM
#13
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good luck with this.
im currently running 385bhp & 340lb/ft on an 04STi with TD05/20 from AndyF
im currently running 385bhp & 340lb/ft on an 04STi with TD05/20 from AndyF
Last edited by jd5217; 14 August 2006 at 12:42 PM.
14 August 2006, 05:49 PM
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What does it drive like compared to ppp or a tek3?
I would like a bit more torque than 340, i'd like 380 if poss and I have been told the torque figure from the twin scroll would give be this.
I would like a bit more torque than 340, i'd like 380 if poss and I have been told the torque figure from the twin scroll would give be this.
15 August 2006, 06:24 PM
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Originally Posted by jd5217
good luck with this.
im currently running 385bhp & 340lb/ft on an 04STi with TD05/20 from AndyF
im currently running 385bhp & 340lb/ft on an 04STi with TD05/20 from AndyF
thanks for the graph
What other mods are you running?
16 August 2006, 08:35 AM
#19
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Car was mapped by Chris @ WRC Tech.
List of engine mods:
WRC Technologies top mount intercooler (similar to APS)
APS 3” full decat stainless exhaust
APS twin vent dump valve
Ecutek remap
APS cold air induction
Prodrive fuel pump
Elabtronics automatic intercooler water spray controller
Andy Forrest TD05/20G hybrid turbo
GT Spec unequal headers & up-pipe
APS FRP/01 equal length fuel rails
PE 650cc injectors
Blitz dual SBC boost controller
NGK PFR7 spark plugs
Roger Clark Motorsport oil catch tank
List of engine mods:
WRC Technologies top mount intercooler (similar to APS)
APS 3” full decat stainless exhaust
APS twin vent dump valve
Ecutek remap
APS cold air induction
Prodrive fuel pump
Elabtronics automatic intercooler water spray controller
Andy Forrest TD05/20G hybrid turbo
GT Spec unequal headers & up-pipe
APS FRP/01 equal length fuel rails
PE 650cc injectors
Blitz dual SBC boost controller
NGK PFR7 spark plugs
Roger Clark Motorsport oil catch tank
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