forty3

Hi all. I'm new to world of scoobys and am looking to tune mine but really dont know where to begin.

I recently bought a '95 wrx import which came fitted with a HKS induction filter, full stainless exhaust and a dawes device (not sure what pressure its set to).

I am going to be fitting a walbro fuel pump this week and am thinking about a td05 upgrade.

Am i heading in the right direction or should i focus my attention elsewhere?

What are the next tuning steps i should be taking?

Thanks in advance, Carl

borat52

Unless you have a wagon it will already have a TD05 as standard (not a facelift model on a 1995 plate I assume)

If as I suspect its a version 2 then moding the engine is easy. Having been there and done it, and gone further I'd recommend a decat downpipe if you have not already got one, throw the dawes in the bin and reconnect the boost solenoid then either get an ESL chip (£195) which will give you a very safe 280bhp at 1.1 bar, or even better get the ESL live mapping done by someone which will be about £500 and give you a cusotm map knocking on close to 300bhp.

I've gone further with a FMIC and larger injectors but in hindsight my car was at its peak when it just had the standard intercooler and ESL chip fitted.

The ESL chip will transform the car, and is very safe.

forty3

How do i tell if its a version 2?

Please forgive my ignorance as I have just come from owning an astra turbo and am more clued up on Vauxhalls than Subarus at present.

myblackwrx

iTrader: (1)

Vin plate check then look on Welcome to the SIDC :: The Subaru Impreza Drivers Club :: SIDC for their faq.

Power wise (basically as borat said) PolarPerformance.
You could also try Gems,Hydra,Motec,Apexi (hard to come by for earlier cars now),Link all these are remappable ecus of various prices (all more expensive then the esl live mapping though)

Worth having a look at getting a good suspension set up (rear droplinks, uprated rear ARB, etc) and some better brakes (as the 2 pots are shockingly bad imo).

forty3

I'm more than a little confused about live mapping.

Would I receive the new board ready to plug in and go or would I have to take it to a rolling road to be set up?

I've had a look on the SIDC site and my VIN no hasn't helped me determine what version wrx I have.

My vin begins GC8C48D if that is of any help?

Apologies again for my ignorance in these matters.

Jolly Green Monster

iTrader: (4)

You can get either a plug in generic map on a chip or the ESL daughter board can be live mapped either on dyno or road or combination of etc..

Simon

Jolly Green Monster

iTrader: (4)

Oh and as said it should have a TD05 on already..

version 1 or 2 have very little differences and no need to be concerned with which it is.

It is a phase 1..

Simon

Scott.T@PolarPerformance

Version 1 runs an SA ECU with chip already fitted by STi
Version 2 runs a 6K ECU with onbard map (not chipped)
Easy way to tell from under bonnet is that :
Version 1 has a thick solid Ally front strut brace with Pink top mounts
Version 2 runs twin arm, carbon front strut brace

rossyboy

iTrader: (8)

Scott, the poster has a WRX not an STi

Early WRX (92-94) has red/black seats and yours should have grey/black seats.

Jolly Green Monster

iTrader: (4)

also lambda sensor in headers on version 1.. fairly sure it was version 2 they moved to downpipe, and cat on fire sensor no longer used.

Simon

dan83590

Jolly Green Monster

iTrader: (4)

there is a sensor in the bottom of the downpipe just below the cat..
basically if it exceeds a certain temp it puts a light on the dash on..
commonly known as "cat on fire"..

Simon

dan83590

Just messing. I had visions of the driver being burnt alive.

Jolly Green Monster

iTrader: (4)

not just there pet cat

Jolly Green Monster

iTrader: (4)

not just there pet cat

midas303

Hope you have got deep pockets.....

Once bitten not easy to stop....

If it's any help, mine was running 303 bhp 265 ft/lb torque, ony mods were Sigma ECU from Teg sport in Carnforth. Blitz Nur spec r cat back exhaust and Apexi induction kit. Still with top mount intercooler.

Unless you like loads of noise I wouldn't go for the Blitz exhaust, I'm sure it made more noise in the car than out side.

I have now fitted, FMIC, dump valve, yellow injectors, tubular headers, walbro fuel pump, de-cat turbo back stainless exhaust, sti clutch with another re map on rolling road. Which if i'm not mistaken is pretty much all you can do without a full strip and re build with new internals.....

It now runs 312 bhp and 295 ft/lb torque, so it costs loads for small gains and im sure it was smoother befor the latest work was done. Also you will be advised to use fuel additive with V power.

I dont have the experiance that lots of people on here have but.....if I had to make a choice again. I would decide how far you want to go and negociate a full package from a good tuner.

scoobyboy34

Correct me if i'm wrong, but i thought the version 2 was introduced in Oct '94, he said he's got a MY95 car, so surely he's got a version 2?? GC8C48D 260ps WRX 4-door sept 94-aug 95.

myblackwrx

iTrader: (1)

Scoobyboy34
93-96 are phase 1 cars but you got 2 versions of power 240ps then 260ps.
I think you're mistaking phases for versions

Jolly Green Monster

iTrader: (4)

Yes more than likely a version 2, however they do sometimes get registered incorrectly year wise when imported or it might have been sat in a jap show room etc..

Simon

borat52

I'd agree with that, my car drove much better with just an ESL chip (or a scott.T chip is just as good) and decat than its current state with a FMIC, yellow injectors and induction kit.

Unless your going to go the whole hog and build a forged engine, just chip and decat and it will be a joy to drive. Anything else is lots of money for little gain and in my case resulted in a less pleasant car to drive.

mickywrx

iTrader: (29)

<< View My Scooby

Not that I would recommend anyone follow my "I'll fit this and see what happens" approach. It's worked for me, but may not for others.

Scott.T@PolarPerformance

If that RR is setup right then thats bloody good power considering it's running less then 16psi and ~10.8AFR

Maybe you just have a bit of a freaky engine...I know there are some about as have seen 290BHP from a UK with just a filter and exhaust.

forty3

Thanks for all the info people. Its really appreciated.

Power wise I'm looking for about 300bhp to begin as I want to get on with styling once thats been achieved but would like to take it to around 320bhp at a later date.

The whole idea behind buying the scoob was so that I could take it to a few track days next summer.

Spent a lot of time / money on my old astra turbo only for it to die in a horrible way once I got it Castle Coombe.

Hopefully the Impreza will be better to me!

mickywrx

iTrader: (29)

I think it is right. On the same day Stevebt's car made 415bhp @ 1bar of boost. His made 486bhp @ 1.7bar IIRC at Scoobyclinic not long before.

Andy Stevens

415bhp at 1 bar? What turbo?

mickywrx

iTrader: (29)

Down on TTS forum as being a GT30R Hybrid. Why description - a bloomin big turbo.