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Old 07-01-2003, 08:51 PM   #1
Solomon
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2000 Legacy GT (BE)

Default 2.5l rs engine and MY00 Legacy BE- AVO turbo

Ok...I see that AVO has put out a turbo for our cars, 00+.
My question is that is the Impreza RS 2.5l the same as our? I see on a few sites that this turbo is offered for 00+ Legacys, but can not seem to find anyone else around the board with any answers. The only thing I can see that needs to be changed is, ECU (if I want), fule pump and a few other smaller parts, and also maybe a custom down pipe.
Would love to know how I can make this work on my car, I like AVO rather than Ludespeed to the 30yrs experence and a better R&D department.
Thanks!
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Old 07-01-2003, 09:09 PM   #2
JC
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Ya it fits. Drive to Oregon and Rallitek can hook you up with one. you need a hood scoop of course.

http://www.rallitek.com

JC
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Old 07-01-2003, 10:35 PM   #3
Subietonic
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Solomon,

Did you add headers to your BE? If so, you may want to factor that into your equation wrt up and downpipe, etc.

Br, Dale
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Old 07-01-2003, 10:37 PM   #4
JoeT
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In order to make the kit work properly you'll need to swap out the cam sprocket and the main timing belt pulley.

The RS has a 9 position cam reference pulley and a 6 position crank reference pulley.

The Legacy (BE) shares the same outputs as the WRX's. (Ask me how I know). The AVO kit is designed for the RS and will expect the references from an RS. There are lots of differences... if you swap out the pulleys, you'll have to figure out another way to get a tach signal to your guage pod, cause the "Supplimental" ecu in the pod will not recognize the 6 position sensor.

The kit itself will work with some modification, Rallitek is probably the ones that can modify it for you. The intercooler that's designed for the RS will be about 5mm too long and will contact the firewall.

Other than that it's a piece of cake. PS there's a fuel cut at 6 psi with the AVO kit. If you want more power than that, you'll need to upgrade injectors "Big Time". Don't forget the fuel pump.

Ooops, Solomon, I forgot to answer your PM.. The fuel pump I'm using is from the last generation Supra Turbo, whatever version that was.

Hope this helps.
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Old 07-01-2003, 11:35 PM   #5
PHATsuby
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to stock is a project too

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oh i see how it is, now you just help solomon

i can see ive worn out my welcome with all my questions (hangs head in shame)

thanks for all the help though

Ben
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Old 07-01-2003, 11:37 PM   #6
JoeT
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Hey Ben,

Don't worry... not ignoring you, I've just been really busy. Have I missed any one of your questions?

Best if you post in a thread here, cause others can benefit as well. I though I answered all your questions. Hummmmmm?
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Old 07-01-2003, 11:55 PM   #7
PHATsuby
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to stock is a project too

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its cool i figured you were busy, i sent you an email or 2 and a PM asking about the wiring of my reluctor interface if i had done it right, i thought maybe you didnt get it cause i had seen you on but never got a response but maybe it didnt get delievered

but yea thats a good call on posting up here so all can benefit, i should make a whole new thread intitled "ben's stupid questions for all to enjoy!"

haha

one thing i would like to know though is what type of stuff you do as an engineer as i am currently going for a mechanical engineering major? if you want to PM that info thats cool, i am just curious what type you are and what actual jobs you get to do with engineering.

secondly, and just to let you know i WOULD NOT do it unless asking you first, and giving you notice but is there any possible time i could speak to you on the phone about a few things with this project, like when you get time that is. just let me know, that would be awesome.

thanks for the help so far, you are the only reason i have gotten this far, and the only reason i will prob get my car running

oh yea one more thing,(isnt it always ) i was contemplating getting the J&S safeguard for after my autotuning is done, is this a good idea if i want some extra insurance or completley not necessary?

thanks

Ben
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Old 07-02-2003, 12:48 AM   #8
Solomon
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I need to soak this up and go back to read some other posts...Just at glance does anyone think that the AVO is any better than the Ludespeed? I know that with either Turbo I go with it looks like the same things need to get be done. Thanks JoeT, I was hoping you would take a quick look at what I was posting

Subietonic: No, I have not gotten any headers yet. I have been writing everything down that I need, don't need, have to do before I go down that road. I know when I get my turbo it will change everything from headers to the down pipe etc... So I have been putting that on hold and am just going to add that to the purchase when I get the turbo. Unless anyone wants to chime in, I know I want a 3" pipe back and all the other goodies that goes with the turbo.

JoeT, do you think that the Injen intake that fits the RS will also fit MY00? On a shop web page they do say it will fit our cars.
Thanks

Last edited by Solomon; 07-02-2003 at 12:54 AM.
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Old 07-02-2003, 08:06 AM   #9
JoeT
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Solomon,

The Injen 1210P may or may not fit our cars. I can't help in that. From the picture on this link ( http://www.injen.com/webpages/intake...sc/rd1210p.jpg ) it's gonna be tight.

The Injen intake needs the fender hole to be in the exact place and the 2.5RS, also the fender shape and liner in the BE Legacy is not the same as the RS. There may not be enough room at the same spot to put the filter on.

Sorry.
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Old 07-02-2003, 10:58 AM   #10
Solomon
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I think I may have to make the hole bigger to fit that intake. I just do not know how it fares with the Rallitek one. What do you think about waiting on the headers and such, until I get my turbo?
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Old 07-02-2003, 10:13 PM   #11
JoeT
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Solomon,

My opinion.. If your intention is to go Turbo, do your mods that will take you there. Buying headers and intakes that are not intended for your application will only lead you to cut up some expensive aluminum tubing (intake) so it can be used for the turbo.

Save your money, and start collecting the Turbo Bits. Buy the Subachad up pipe, down pipe and get yourself an intercooler and engine management. From there choose either a 2.5" exhaust or 3" exhaust and decide what you want with your car.

If it torque you are looking for (like mine) a turbo can be made to act pretty close to a supercharger in function. If it's all out power, then that can be done too. But the parts list will be different between the two.

Decide now otherwise it gets expensive when you have to replace items.

Hope this helps.
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Old 07-02-2003, 10:58 PM   #12
Solomon
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Ya that sounds the best. I was trying to get mods in step but could use them sooner rather than later, you have to remember I am American; have to have everything now.

So you are saying that for the most part it would be better to buy the pices that make up a great turbo rather a kit, and swap out a few parts. I am only interested in doing this once, and doing it correctly. I am also down with doing the step by step, I would love to hear the first five steps you would take now, knowing what you know looking back. I have an idea of what I am looking at in those parts from you and PHAT, plus

http://forums.nasioc.com/forums/show...readid=335174.

I have been printing out a ton of paper work and threads then keeping them in a binder (or two) so I have them as a referance. Thanks for the help.

Oh ya I. I am looking to have mid to top range power with this turbo and would like to build the car up so it puts down 300whp. To me that is the magic number.

Last edited by Solomon; 07-02-2003 at 11:14 PM.
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Old 07-02-2003, 11:17 PM   #13
JoeT
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Looking back, there are not many things I would change. I enjoy my setup. Really.

But if I were on a budget here's what I would have done.

Stock exhaust manifold: Free
Subachad Up pipe: $200.00 USD
Subachad down pipe: $225.00
TD04 Turbo (Torque at low rpm): $200 bucks (Nasioc Classifieds)
Cusom Intercooler or Modified WRX Intercooler $200 Bucks (Nasioc Classifieds)
Custom intake: $150 ish
WRX injectors: $80.00 Bucks (Nasioc Classifieds)
Custom Injector Adapters $80.00 (Custom machined)
Autronic SMC/SMD Ecu with Ver 2.00 chipset (for the Legacy engine) $1500.00 - $1800.00 USd
Metal Core catalytic converter: $250.00 (Brullen)
2.5" Brullen Exhaust $ Ask GTBGUY
Blitz SBC-ID Boost Controller: $510.00 (http://www.titanmotorsports.com/blitzsbcid.html)
Aeromotive FPR or RRFPR : $155 ( http://store.yahoo.com/titanmotorspo...fuelpresr.html )
Toyota Supra Fuel Pump: $225.00 ( http://www.titanmotorsports.com/factoysupfue.html)

So far, parts list total: $4075.00, not including the exhaust.

Tuning and ECU Installation, budget for around $1500.00 Bucks, you install the rest yourself.

Now you need to change your clutch, cause the stock one won't hold.
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Old 07-02-2003, 11:36 PM   #14
Solomon
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Do you know where to look at other turbo that would fit my mid to high power band I am looking for? What dimensions for an intercooler am I looking at so I can take a look around.

What does the Custom Injector Adapters go with that need to me Custom machined? I am looking for a diagram of a turbo that lists most of these parts so I can get a visual. I am looking for those now.

What is a Aeromotive FPR or RRFPR?
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Old 07-02-2003, 11:42 PM   #15
JoeT
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FPR and RRFPR = Fuel pressure regulator or rising rate fuel pressure regulators.

Mid to high power will require you to build up your engine quite a bit. Forged rods and pistons are a minimum requirement to add to the list above.

If you take a look at the dyno chart in the other link on this page, you'll see what mine is producing at 7PSI.. I run the car at 11 psi during races, with no problem.

As for turbo's for mid to high power, there's a sacrifice in driveability, but you can use any IHI based turbo's that are made for the WRX.

If you really want high power, you'll need to run a PE1820 at 20 PSI or something like that. It will get you about 400 HP but without built up internals, your engine will grenade, big time.

You really have to decide what you're going to do with your car before you go and put a turbo in it. If it's just for highway cruising, it's one thing. But if it's for drag racing, it's another story.

A car designed for drag racing will suck bigtime at the tight and twisty stuff...

Good luck.
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Old 07-02-2003, 11:53 PM   #16
Solomon
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Yes I plan on doing the internals first. that is where the money will go before and/or during purchasing the parts for the turbo setup.




The PE 1820 is identical except for a larger exhaust housing. The 1820 has lag and will not make full boost until 4000+ RPM. Then its a hammer till the rev limiter. It supports 450hp and is currently making 400 on cars in the US. Great for drag racing... Its going to make 30-70 more Hp than the PE1818 if tuned right... At the expense of lag.

Yuck. I would like to find something just a little under that. The car will be for some racing. If I get into anything down the road it will be in the Club racing on larger tracks.
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Old 07-02-2003, 11:56 PM   #17
JoeT
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If you have built up internals, go for a VF22, it's a great all around turbo. You'll also need an updated tranny. You'll also need a minimum of 565CC injectors and a set of cams for your SOHC so it can breath at higher rpm's.

I have a set of JA HP cams in my car.

VF-22 http://home.att.net/~teaguesauto/turbo.htm

BTW: A PE1820 on a 2.5 Litre engine will spool up at around 3500 rpm. The extra displacement will change things significantly.
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Old 07-02-2003, 11:59 PM   #18
Solomon
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yep looking at http://www.subarupower.com/turbos.html it looks like the VF22 and the VF24 are going to be my best bet. Can you later give me a size on the intercooler you have installed and how much room you have left over if I was to go bigger in one direction or another.
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Old 07-03-2003, 12:01 AM   #19
JoeT
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You'll need a custom intercooler, picture a stock WRX intercooler that's longer on each side by 2 inches, and shorter by 1.5 inches.

It needs to be like that so that it doesn't hit against the firewall. Just take a look at Forcedair Tech or Ludespeed. The intercooler you need are just like the ones on their site.
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Old 07-03-2003, 12:04 AM   #20
Solomon
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Ok let me wrap my brain around all this...
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Old 07-03-2003, 12:21 AM   #21
Solomon
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Any stroker kit will work for a subaru 2.5l corrrect? The JUN kit says

http://www.junauto.co.jp/products/cy...ustom-kit/?en\

For a turbo?
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Old 07-03-2003, 12:28 AM   #22
PHATsuby
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to stock is a project too

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theoretically if he wanted to could he go with a PDM kit? they use the IHI series turbos and you can get the VF22, i mean basically if you change a few things, like go with the autronic for management and the upgraded injectors/pump, with a built motor you could potentially get your target, right?

i am just saying this as another option because you may find it nice to receive all the little hardware and such instead of having to find it.

also maybe something of note, i read recently that you need to tell Subachad which turbo you are going to be using, if it is not the TD04, i thought it didnt matter as long as you used anything from the VF series but i thought he was saying it mattered. im not sure but just letting you know you may want to ask if you end up going that route.

Ben
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Old 07-04-2003, 01:02 AM   #23
Solomon
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How far do you think I will have to go with the internals like
http://www.pdmturbos.com/Index11.html
and besides the clutch, do you think I will also need a better flywheel and a whole new tranny?
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Old 07-04-2003, 08:06 AM   #24
JoeT
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The PDM Turbo is a good start. You don't need built up internals unless you decide to start pushing over 11 Lbs of boost. Yes you'll need a clutch, but that's it.

A change that I'd make in the PDM Turbo is the addition of the following:

Engine Management, a real one, not the one that comes with the kit.

Larger injectors.

Without those 2 items, you're limited to about 5 psi max.
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Old 07-04-2003, 10:22 AM   #25
Solomon
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ok, coming around full circle to the kit. I was going to look at putting one together in pieces instead of the kit. With that last comment are you saying that with the PDM kit and Autronic ECU I am better off? It looks like I am safe to run 6 or 7 PSI on that before I do any internals. I would go to a VF22 with the 3' cat.
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