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Old 11-14-2000, 05:17 PM   #1
Stook
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Post potential power mods for 215hp wrx??

if the WRX does show up at 215hp, has anyone researched the possibilities of an air-intake, exhaust, chip, etc....??

cost and benefit?

i thought the UK guys indicated a chip and exhaust would make the car run at 240hp.?

thanks....
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Old 11-14-2000, 05:24 PM   #2
ColinL
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Post

It would be a safe bet that the turbocharger is near its flow limits at stock boost levels. Without increasing per unit cost, this allows it to make more boost at lower RPM and thus feel more responsive.

It's going to be 227HP stock. 20 more should come easy. Beyond that, perhaps not.
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Old 11-14-2000, 05:53 PM   #3
KC
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OK...got a pen? Or just print this out...

1- Real Boost Guage
2- 2.5"-3" cat back
3- High Flow Cat
4- K&N Intake
5- Boost Controller (Manual or Electronic)
6- Upgraded Plugs/Wires
7- Upgraded Fuel Pump (Not Fuel Pressue Riser!)
8- DownPipe

Ehaust, Intake alons should get you 20 more HP easy.

There's many more things you can do, but all the above should cost less than $2K and get about 40-50 more HP.

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Old 11-15-2000, 02:48 AM   #4
xtreme2imprz
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Cool

don't forget the bov you just gotta get one of those even if you don't gain hp they make your ride sound so tight
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Old 11-15-2000, 04:24 AM   #5
Subedave
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Thumbs up

Does anyone know what the curb weight is going to be?

227hp could keep me entertained for a while if the car is not alot heavier

Dave
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Old 11-15-2000, 04:29 AM   #6
JGard
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it's going to be closer to 3000lbs, i believe
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Old 11-15-2000, 09:04 AM   #7
IsraelGT
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Silver

Talking

It's easy to reach 240+hp, with chip and exuahst,
Prodrive has a PPP(Prodrive Performance Pack) wich brings the car to 240hp and
36Kg-m thats 260Lbft,
the car weights 1350Kg thats 2900 pounds.
"Autocar" tested the 215hp car and it did 5.7 sec 0-60 and 16.8 0-100,
I guess that with the chip and exauhst you can do 0-60 in the low 5 and 0-100 around the 14 like the 247hp Japanese WRx.
the PPP cost in Israel 3000$ so it should be 1500-2000$ in the U.S,
'cause in Israel an Accord V-6 costs:
55,000 U.S dollars
and an 215hp WRX:
42,000$,
and its all taxes!
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Old 11-15-2000, 09:43 AM   #8
Keith
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Post

What about the Afc?? with that make any difference?
Keith
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Old 11-15-2000, 09:47 AM   #9
XT6Wagon
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I would start NOT with a chip, but with the best intake and exaust you can find. Do the downpipe right off the bat also.

These work GREAT as they make the Turbo much happier, by reducing the presure ratio of the compressor, and INCREASING the PR. of the turbine. This will make it spool much faster, lower intake temps, and in general make you happy. One thing to watch for is a very low restriction exaust may cause boost spikes, and creap as the waste gate will become less effective in controling it.
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Old 11-15-2000, 10:11 AM   #10
SecretAgentMan
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Location: Västerås, Sweden
Vehicle:
MY00 Impreza GT
Forged EJ205, 276 whp

Cool

I've got an MY00 GT (euro spec 4d. turbo).

I did the exhaust thingy, went for a fully decatted system from Scoobysport, sounds fab and really delivers. Turbos spools up so much quicker now.
A Pipercross induction kit on top of that made it even snappier.

First thing to get rid off is that power robbing stock downpipe.

The BAD news for U guys is that there's going to be a cat before the turbo as well...(on top of the fugly look of the car...and the fact that it's heavier and softer sprung - but that's a whole other story).

Then I'd go for suspension work, along with some decent wheels.

I did the Leda B thing along with GoodYear Eagle F1's in 215/40x17.

All in all my car feels miles from stock now....to the better (if you enjoy loud sounds and a harsh balls out ride).



This is what it looks like now...

http://jerry.impreza.nu/img/mods/sta...snett_fram.jpg
http://jerry.impreza.nu/img/mods/stankisar/bak.jpg

Happy turbo'ing fellas!

Regards

/Jerry - Sweden
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Old 11-15-2000, 10:27 AM   #11
Mel 22B
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2002 WRX
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Post

Weight is I believe 2940lbs. (yes, pretty much 3000 lbs)
If you remove the brakes (and equipment) and the trunk lid it falls to 2700. However you will have to now 'powerslide' your car to stop each time and your trunk monkey (for those of you with them) will be ejected under hard acceleration.

-Mel


[This message has been edited by Mel 22B (edited November 16, 2000).]
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Old 11-15-2000, 11:37 AM   #12
direwlf
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Silverthorn Metallic

Post

The new car is only 70 kg (154 lbs) heavier than the old one. Course, the WRX (MY00) weighs in at a rather svelt 2600 lbs, where the 2.5RS is around 2850 or so. And if it makes you feel any better, most of that 70 kg went into stiffening the frame. The old car is already bank vault stiff (even without strut tower bars), so just imagine what the new chassis is going to be like (I heard somewhere in the order of 250% stiffer).
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Old 11-15-2000, 05:24 PM   #13
Bugsie1
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ColinL,

I have a great respect for everything you post to these boards you always write very intelligently and accurately, so I must ask you... a 227HP WRX for the USA? You state that with some confidence. (I am only assuming we are getting a 227HP car right now, that seems to be the latest most confirmed rumour.)

But then I am somewhat confused by Subaru's so-called WRX "world car" ideal...

1) Why did Subaru release the JDM WRX with 247HP, down from 280HP? (weird!)
2) Why did Europe then not get at least the same 247HP WRX? (consider the 280HP P1, JDM STI grey imports etc.) They got the same 218HP as before.

Or more importantly perhaps to us here:
3) Why then did Subaru give us a WRX with HP specs between the current Europe and Japan models?
- did the 247HP need to be lowered OR did the 218HP need to be raised?

Very confusing! 3 markets, three different WRXs. ( I didn't even go into Autrailia, S.America etc.)

Apologies for my mix of HP/PS numbers you get what I mean though right?

regards,

Richard.

p.s. do we get the STI? (Ever!) I just bought a MY00 August last year, I'm probably getting a WRX in March, I don't want to have to trade that in for an STI which I would if there was one available - I would just HAVE TO! ;-)

Eek - lots of questions!
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Old 11-15-2000, 05:44 PM   #14
Stook
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So what happened to the sub 5 second 0-sixty and sub 14 second ¼ mile like Road & Track quoted???

Those bastards.

hehee.. don't forget to watch southpark tonight!

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Old 11-15-2000, 06:27 PM   #15
KC
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Post

Bugsie..I can help answer those. It comes down to emissions and gas quality.

1.) We can only assume that the numbers are down for one of two reasons. 1-Marketing wants to let the STi Version be the flagship 280 firebreating monster. 2-The 247 JDM WRX does the 0-60 in same amount of time, on lower horsepower. Why would you NEED 280 HP (See 1 above)

2.) They got the same as before HP number, on a stiffer chassis and a better suspension, but heavier car. Numbers are off and they don't like it. But their gas quality stinks. So That's the best they can do. If they brought in a 247HP car, the engine would self destruct on their highest octane gas.

3.) Emissions here and gas quality will allow the US version to run higher numbers. Our 93 octane gas (premium) here would be the equivelent of 96 octane in the UK. 93 Octane's probably going to be recommended at sea level. So therefore, we can get 10 more HP probably because of the gas.

There's rumor of an STi version getting here 2003. That's all it is, a rumor. Just like the WRX...we know itr's coming...but all the numbers are rumors. We don't have any facts yet.

That help?

--KC
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Old 11-15-2000, 06:47 PM   #16
Bugsie1
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hmmm...

not sure I agree with you KC,

1) Marketing - the STI is already the flagship, I'm not sure it becomes more of a flagship by producing a 247HP WRX. I don't think anyone in Japan knows why the WRX is now 247HP do they? I think it's a terrible marketing idea.

It's also not really a question of NEEDING 280HP, if you CAN do it, USED to do it, then why don't you STILL do it? (especially in a heavier car?) Same point really - bad marketing idea or what?

2) That's not the best they can do by a long way, the UK has run 22Bs, WRXs, WRX STIs and the P1 at +280HP for years on their Gas (my Gas really, Im a Brit ;-) )

3) I don't believe we get 10 more HP than Europe from the difference in Gas, I think we get it from a differently specced engine -that's the question - why the different spec engine? ( Why SOA, why???)

Hell, I'm happy it looks like we're getting a better WRX than Europe, but then they have 22Bs, P1s, grey imports and the new STI in a year (lucky b*stards ;-))

I know we don't have the answers but I think its a worthy discussion.

(Baby Tantrum: Why can't we have 280HP!!)

As for the STI rumors, yeah I know it sucks... looks like we'll have to wait, and then in 2003 we'll probably have to pay over the top for a disappointing (not quite the same as JDM spec) STI.

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Old 11-16-2000, 05:01 AM   #17
IsraelGT
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Silver

Post

the reason the base WRX has now 247hp and not 280, is for marktenig reasons mentioned by KC,
people where puzzeled as to the difference between the STI and WRX!
this is also the reason the STI has 17 inch wheels while the base WRX has 16,
in the last model they both had 16.
the reason Europe is getting the 218hp and not the 247 is for fuel octane (100 in Japan Vs. 98 in Europe), pollution and noise reasons,
they will get the 280 STI in 18 months,
KC: its easy to mode the ECU so the car won't self destruct, this is why you have so many greys in England and the P1s.
So you have 2 WRX, for Japan and one for the rest of the world, and an STI,
the STI has 280hp and 38Kg-m,
"Autocar" claims there will even more powerfull Imprezas on the way, with wider arches and more than 300hp,
to answer mitsubishi Evo extreme!
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Old 11-16-2000, 08:14 AM   #18
Simon Lines
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Ummmm the new WRX is not the same as the old WRX…..

Let me explain. The UK, Europe, South Africa and a few other places got the 2.0lt turbo or GT or just “turbo” Australia got the same vehicle but it was called WRX. In Japan the base model was also called WRX but it was not the same as Australia’s WRX because it had 240 / 250PS (but had the same drivtrain) this was because of the more aggressive engine tune and the 100 octane fuel.

The J market also had the STi cars (ver’s 1 – 6) and further to that they had the type R and RA STi cars.

The STi’s have special parts and a stronger engine with a bigger turbo – hence 280PS

Now we have the new car and its called WRX across the world. The difference between the J model and the model we have in Europe is due to emission regs and lesser octane fuel.

I am not aware of the spec that is being sent to the US (and Canada) and I would not be able to tell you if I did know…..

Hope this is of some help

Cheers

Simon
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Old 11-16-2000, 08:52 AM   #19
Gambit
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Post

FYI, most of you are newbies when it comes to Impreza histories. Back when the first WRX were introduced it had less than 247hp. Only over the years it slowly crept to 280hp. So again this MkII Impreza will start off with 247hp. But it will creep to 280hp in a few years. OK go run along now young 'uns....
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Old 11-16-2000, 11:50 AM   #20
Bugsie1
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Hey Simon - thanks for the input.

I thought you guys were already working on the Performance Pack for the N.America WRX? But if you don't know the specs how can you design a Performance Pack? (that's a sincere question not a dig at you or Prodrive)

I also believe you said it would be available at the same time the car was available (which is supposed to be March?) Is that still looking like it will be on time?

I'm definitely getting the WRX (whenever I can) and I would prefer to go with Prodrive parts rather than say ScoobySport, are you going to be able to provide us with real data, torque curves etc. I know the performance of the PPPs have varied quite significantly with the different UK model years.

Also, are the Prodrive parts going to be available through SOA dealerships or am I going to have to call Mike Shields? (not that I mind dealing with Mike he's better than any dealership I've ever dealt with)

Probably deseving of a different thread altogether I know, but wherever I can get an answer from you Simon it's always a delight ro read.
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