neil.p1

i think my turbo is on its way out have vf28 wondering will the tdo4 fit in ok will there be a loss of power my friend has one and is willing to help me out untill i can by a bigger one

ImprezaGT

TD04 will fit, noticable loss of power

neil.p1

how much power loss wat sort if boost can they handle i think i am going till put this in till get me by

dan83590

Max 1.0-1.1bar I believe.

neil.p1

no way that is going till make my car dead lol my car is running at 1.5 wat is believed till have happened is the cat in the up pipe has broke up in the turbo my car is still boosting properley but there is a rattle sort of sound coming from the turbo

bryhp

I would take turbo off asses the damage if turbo is ok then maybe a new seal kit in and slap it back on or try pick up TD05, i run td04 at moment but am changing to TD05 20 G very soon. Hopping to run 1.6 1.7 bar

Damocell

iTrader: (1)

I guess from your user name you have a P1, if so I thought P1's didn't have a cat in the up pipe.

It will fit but you will need a remap.

Damo

neil.p1

i am running an autroinic ecu so will have till take it up till ai autosport for plug in too the computer then, aww dear why can these cars not be simple but u have to love them. yea i own a p1. i think there is one in the up pipe just wat we thought might of happened cause the car is running sweet appart from this rattle from the turbo any body any ideas

DannyBoy007

iTrader: (7)

have a word with either david @ API or jap performance parts they normaly have access to 2nd hand VF28 at normally good prices

lem6

exactly what happened to my turbo..swapped cat up pipe for de-cat up pipe,propper fooked the turbo!

neil.p1

wat sounds was your turbo making when this happened

Scott.T@PolarPerformance

1.5.... that'll be what killed it then....

neil.p1

i doont think it i think the cat has brke will no more tommorrw when it has been taken out

exvaux

iTrader: (1)

why what are they meant to run at?Mine runs 21 psi whatever that is in bar and has done since i got the car from subaru near 2 years ago,mines a V5 typeR always thought it was a bit high when folk talk about glanzas etc running 12 psi and mine @21

STi5_TypeR_VLtd

My MY99 StiV Type R is running 15psi (1bar) which as the car is stock would be the factory standard boost. It has the VF28 on it. Can't tell you what the wifes StiV wagon is running as no boost gauge on it at the mo but it also has the VF28 so expect that to also be at 1bar.

Scott.T@PolarPerformance

around 1 bar standard, most remapped cars run 1.3/1.4bar midrange dropping to around 1.2bar at the top end.

H4RDY-P1

iTrader: (46)

P1's dont have a cat in the uppipe,neil you have pm on P1woc.

lem6

like a rattling noise coming on boost...sounded like a heatsheild rattle.

neil.p1

yep exactly wat mine sounded like took the turbo appart and by the looks of t something as gone in through the air filter and mangled the blades friend took some pics so will put them up later. all going will be going till collect a new turbo tommorrw

MarkFitz

...totally agree, - the TD04 is a top little turbo, with ported oe headers/uppipe you'll hit 1bar as early as 2500rpm.

Top end is the biggest let-down, - after about 5250rpm it's all over in terms of flow through the turbine. 1.3 bar with proper supporting mods and mapping is good for 260-280bhp.

If you go for the TD04, why not port the turbine inlet? Won't give you anymore power but should help boost response, cyl. temps, etc.

exvaux

iTrader: (1)

sorry for the hijack thread but my car is standard AFAIK and it jumps to 21 psi if i put my foot down and revs hit 3000ish in any gear and stays there till it hits redline....not that i do it that often as its quite scary seein the clocks hitting 8000 rpm just wondering if my cars been played with....or the boost guage is plumbed in wrong