GC8 Twin scroll
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Joined: Jan 2004
Posts: 10,235
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From: Being hunted down and killed one by one
Originally Posted by Simon Lines
starting to explore it in more depth (and tune it) turbo responce is wicked quick once you start fiddling with it, i'm very impressed.
As a matter of interest Simon, how are you doing the tuning? With a Subaru ECU and EcuTeK, or a.n. other mappable ECU?
Also, do you have any control over the DCCD-A map, or are you stuck (for better or worse) with the standard one?
Also, do you have any control over the DCCD-A map, or are you stuck (for better or worse) with the standard one?
sorry about that, had my silly head on last night…Ok, tuning is the JDM ECU and EcuTek software, I am using a 3 port solenoid and I will use a 2 port actuator too but it’s not ready yet. I’m just doing a little light playing at present, max boost at 100% throttle is 2.28bar (all figures are “bar” and absolute pressure) I have a big 1.5bar plateau that I’m using to explore the fuel economy, I’ve taken some fuel away too (f**k it runs rich as std..!). I love using a 3 port solenoid, boost control is so bloody solid, and I’ve always hated that damn restrictor.
I’ve made some changes to the open / closed loop, and some other more in-depth stuff but have left the ign more or less alone at present, I’m pretty amazed at how happy it is with all that ign to be honest.
The induction is non std, I have a 76mm pipe that narrows to 56mm under the manifold before the turbo entry, after I re-locate the PAS reservoir onto the strut tower (at the weekend) I can then build the intake “box” that the missing inner headlight will supply, hopefully giving some positive pre-turbo pressure at decent speed (or at least removing any possible intake depression) with the useful side-effect of supplying air as close as possible to ambient temp to the turbo
Don’t have any control of the factory DCCD-A yet but I do have another programmable ECU that I can use when I get around to playing with that
The EBD ABS sensors are all in, as is the brain / pump assembly (mounted 6’’ lower than normal to make room for forced induction box) I have an order ready to go off to Goodridge for all the plumbing bits but I’m trying to find a good (but not too expensive) pipe flaring tool first, If I find a nice one I will cut back the Goodridge order and make up some pipe’s myself. Looking at the wiring diagrams it’s not mad complicated, your problem would be getting all the bits for sensible money though. Not sure about your SVX reference, my understanding is that the 22B has “normal” rear hubs (with a ferking huge spacer) certainly the bearings are the same.
Fitting the drive train is an absolute piece of **** mate, unbolt the 92MY stuff and then bolt in the 03MY bits, really, it’s that simple…
The bits I found taking time are stupid things like the fuel pump / fuel level loom was missing so I had to make that, I am also missing the door looms / door switches, I’m hoping that they are going to show, if not that will take a day of buggering around to make the mirrors, windows and locks work. I had to cut the plugs off for the front and rear wipers, also the lights and rad fans in order to interface between the 92MY and 03MY stuff.
I have the 03MY door cards and they seem to fit more or less ok, the pedals also went in fine. The dash needed a little umm fettling as did the firewall (needed anther hole) but it’s pretty much together. Need to get it all out again now I’ve put a few miles on it and fit it all in properly, fabricate a few brackets and stuff make it a nice job. Ever time I switch it on and see the electro luminesant (sp?) gauges do their thing it makes the messing around worth it though

Cheers
Simon
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Joined: Nov 2001
Posts: 15,239
Likes: 1
From: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
copper pipe flaring tool??
I have a very old but effective one.. stevie turbo posted a link to one that was good and cheap.. may have been a sealey one.. I Used a snap-on one which was crap..
David
I have a very old but effective one.. stevie turbo posted a link to one that was good and cheap.. may have been a sealey one.. I Used a snap-on one which was crap..
David
Scooby Regular
Joined: Nov 2001
Posts: 15,239
Likes: 1
From: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
to be honest they look like the crap snap on one..
Will they do double flares etc?
put a little oil in the end of the pipe when flaring..
David
Will they do double flares etc?
put a little oil in the end of the pipe when flaring..
David
Some BIG thank you's for today: -
To FORGE ( www.forgemotorsport.co.uk ) for the dump valve, top blokes for ally bits
To POWER ENGINEERING ( www.powerengineering.co.uk ) for the twin headlight conversion, top blokes for all sorts of stuff including a very nice dyno
To POWERFLEX ( www.powerflex.co.uk ) top blokes for bushes
Cheers
Simon
To FORGE ( www.forgemotorsport.co.uk ) for the dump valve, top blokes for ally bits
To POWER ENGINEERING ( www.powerengineering.co.uk ) for the twin headlight conversion, top blokes for all sorts of stuff including a very nice dyno
To POWERFLEX ( www.powerflex.co.uk ) top blokes for bushes
Cheers
Simon
Just had the car on the set-up rig (doing the geometry)
Corner weights are: -
Front, 365.4 - 390.0
Rear, 248.1 - 234.6
Total 1239kg
This is with two stock 02MY seats and 1/3 tank of gas
To say i'm now a happy bunny would be an understatement
Cheers
Si
Corner weights are: -
Front, 365.4 - 390.0
Rear, 248.1 - 234.6
Total 1239kg
This is with two stock 02MY seats and 1/3 tank of gas
To say i'm now a happy bunny would be an understatement

Cheers
Si
Wow, that's really impressive given the extra weight of the 6MT and (presumably heavier) 03MY HVAC/dash assembly.
Is that including a full interior inc carpets, roof lining and door caps, or is there more weight to go in before she's finished?
Is that including a full interior inc carpets, roof lining and door caps, or is there more weight to go in before she's finished?
To be honest I think the 03MY Dash / HVAC is lighter!
It has all roof lining, door cards, electric windows, central locking, a full size battery and air con fitted.
I have to fit the carpet (maybe 2.5kg's?) the stock 02MY WRX seats are in there now, I will be fitting the Recaro's shortly for road use (a little more weight than the stock 02MY seats, maybe +4kg per seat?) but I have a pair of CF shell seats with ally mounts for "events"
This was really just a "first cut" to see what the damage was, to be honest i'm over the moon with it, a bit of effort should see it under 1100kg's in "event" trim!
Cheers
Simon
It has all roof lining, door cards, electric windows, central locking, a full size battery and air con fitted.
I have to fit the carpet (maybe 2.5kg's?) the stock 02MY WRX seats are in there now, I will be fitting the Recaro's shortly for road use (a little more weight than the stock 02MY seats, maybe +4kg per seat?) but I have a pair of CF shell seats with ally mounts for "events"
This was really just a "first cut" to see what the damage was, to be honest i'm over the moon with it, a bit of effort should see it under 1100kg's in "event" trim!
Cheers
Simon
Have you had a chance to take some more pics yet? I have been reading this thread with great interest and I must say a "Classic" shell with a 2003 6 speed JDM engine, and a "new age" interior would be the ultimate Impreza for me and probably a lot of other people too.
God how I wish I could do things like this.
God how I wish I could do things like this.
Hi Danny B,
No sorry, I am going back to LA in a week (for 3 weeks) so I have just been going a bit nuts getting things done. When I get back i'm going to take the dash out to fit it for the last time, fabricate some little brackets (fill in the ferking huge hole in the firewall) etc - I'll take a bunch of pix then.
I think it's pretty cool, some will only see the J reg plate though. But hopefully not on here, I think most here are enthusiasts (sp?)
Cheers
Simon
No sorry, I am going back to LA in a week (for 3 weeks) so I have just been going a bit nuts getting things done. When I get back i'm going to take the dash out to fit it for the last time, fabricate some little brackets (fill in the ferking huge hole in the firewall) etc - I'll take a bunch of pix then.
I think it's pretty cool, some will only see the J reg plate though. But hopefully not on here, I think most here are enthusiasts (sp?)
Cheers
Simon
Scooby Regular
Joined: Nov 2001
Posts: 15,239
Likes: 1
From: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
fookin hell never seen a J only K's.
would love to see a dealers face when they try and plug the select monitor in
would love to see a dealers face when they try and plug the select monitor in
It would be amusing to take it to a dealers
but it's an import AND it's got non approved mods on it...
And nobody seems to have a select moniter cart for it either..!
Re-located the PAS res at the weekend, waiting for my catch-tank to turn up now then I can fab-up the filter box and forced air feed.
I have a nice JAZ plastic fuel tank sitting in LA waiting for me to bring it back and fit it, that'll save a bit of weight - chucking the std tank out
Cheers
Simon
but it's an import AND it's got non approved mods on it...And nobody seems to have a select moniter cart for it either..!
Re-located the PAS res at the weekend, waiting for my catch-tank to turn up now then I can fab-up the filter box and forced air feed.
I have a nice JAZ plastic fuel tank sitting in LA waiting for me to bring it back and fit it, that'll save a bit of weight - chucking the std tank out

Cheers
Simon
Simon
I think you've taken the sunny weather with you......I'm sure you'll be pleased to know it's raining quite a lot over here
See you in a few weeks.....
Nick.
p.s. Don't forget they airlines have a weight limit for luggage on your return trip, we don't want you to get charged for excess baggage
I think you've taken the sunny weather with you......I'm sure you'll be pleased to know it's raining quite a lot over here
See you in a few weeks.....
Nick.
p.s. Don't forget they airlines have a weight limit for luggage on your return trip, we don't want you to get charged for excess baggage




