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Evo General Discuss any generalized technical Evo related topics that may not fit into the other forums. Please do not post tech and rumor threads here.
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View Poll Results: Choose which ones will influence your decision
Wow, 300hp, 300 ft-lbs from 2.5L Subaru boxer engine
152
22.25%
Proven tuning potential of the Mitsubishi 4G63
355
51.98%
Subaru\'s strong 6-speed manual tranny
138
20.20%
Mitsubishi\'s dependable 5-speed tranny
109
15.96%
DCCD on the STi... wish Evo had ACD
132
19.33%
Stock FMIC on the Evo
164
24.01%
Exterior looks
305
44.66%
Interior quality
148
21.67%
Gross Vehicle Weight
79
11.57%
I want to test drive both before deciding
165
24.16%
Price
261
38.21%
Body Shell Rigidity
133
19.47%
Brakes
163
23.87%
0 - 60 mph and 1/4 mile times
201
29.43%
Multiple Choice Poll. Voters: 683. You may not vote on this poll

Evo vs. STI | Anything and Everything [ALL THREADS MERGED]

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Old May 1, 2003 | 12:29 AM
  #1006  
Alfriedesq's Avatar
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From: Stamford, CT
Originally posted by bobaab
what month is that for? june? i got my may issue and havent read it through but the june ones are in the mail already??
Yes June 2003 - the evo is on the attack
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Old May 1, 2003 | 12:32 AM
  #1007  
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Originally posted by I4K20C
Hey guys wussup? Umm this mite be, actually is off topic.. but..what mitsu scandel are they talking about? Can som1 inform me on this topic? Thanks..
These 2 links should provide you with some information concerning the Mitsubishi scandal a couple of years ago.
http://www.financialexpress.com/fe/d.../fco24065.html
http://www.newstribune.com/stories/0...0215010002.asp
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Old May 1, 2003 | 12:35 AM
  #1008  
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From: Park Ridge, IL
cool, i hope it comes in soon!
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Old May 1, 2003 | 01:15 AM
  #1009  
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From: Minneapolis
Did Rod Millen also test these cars at Willow Springs? If not then who did?

The Scan I read at NASIOC only mentions that he tested them on a dirt road. Can anyone confirm exactly where it states that Millen tested at Willow? Thanks.

http://forums.nasioc.com/forums/show...5&pagenumber=6
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Old May 1, 2003 | 02:16 AM
  #1010  
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From: Carlsbad
I just read the article and I came away with a few things in mind. One, after reading this I forsee most STi's becoming drag racers. Guarenteed every STi owner will try and race our Evos on the highway or streets where they know they have the advantage. Two, is it just me or does it seem like the article contradicts itself a lot? I mean, they say the STi has better balance, stiffer suspension, changes lanes faster, etc. But then go on saying the ride is softer in the STi for comfort and the Evo handles much better and faster through the corners. There's a few other comparisons in there as well. I find it an odd writeup.

From that article and those times that STi is pretty darn fast. I think it's going to come down to driver skill big time in this contest.
I'm already looking at what mods I'll be doing to my car. I hate losing a race
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Old May 1, 2003 | 02:53 AM
  #1011  
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From: Carlsbad
It's very hard to read for me at least. Is it possible to upload larger pics over these? Scratch that, I'll get my issue soon enough thanks for posting it.
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Old May 1, 2003 | 09:01 AM
  #1012  
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Part of the reason that DSMs are so easy to upgrade is that the ECU is so simple and really has very few hard limits to airflow or RPM in the code. As well, the timing advance and fuel curves are predictable and have no gotchas. And the knock sensor system does a fantastic job at keeping the happy modder in check without hampering the fun!

As far as I can tell, the EVO really does continue down this same path.

The WRX, on the other hand, has some really bizarre timing advance issues that hamper power production once you turn up the wick. Hopefully the STI doesn't follow in the WRX's footsteps.
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Old May 1, 2003 | 09:25 AM
  #1013  
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From: Western NY
Originally posted by trigeek37
People keep on throwing out the 14.5-psi (STi) vs. the 19-psi (Evo) like that matters any - psi does not necessarily equal psi.

Example: (fd example because that's what I am most familiar with)
13b stock twins at 15 psi = 300 rwhp, give or take
13b with T78 single at 15 psi = 400+ conservative rwhp

Its not just about the PSI, its about the cfm of the snail. To the best of my knowledge the STi and the Evo are running two completely different turbos, so you cannot compare the psi as a performance/tuning factor.
Very true.

Force=velocity x mass

50 psi in very small volume is useless.
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Old May 1, 2003 | 09:29 AM
  #1014  
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From: Ft. Lauderdale, Fl
I myself am a Subaru owner.. And I've been hearing A LOT of grief from other Subee owners in ref to the write ups... They all seem to be in denial! It's kinda funny... I love my EVO more and more each day I drive it...
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Old May 1, 2003 | 09:35 AM
  #1015  
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It is all about the number of air molecules that you can shove into the engine while the intake valves are open. CFM by itself isn't all that useful. A cubic foot of air can have a widely varying number of molecules depending on pressure and temperature.

So even if you have the same boost pressure, temperature can still make the number of air molecules in your fixed volume intake manifold vary. And different compressors spit out air at different temperatures for a given pressure. Hot air will have fewer molecules at a given pressure in a fixed volume. A smaller compressor will, in general, produce hotter air than a larger compressor.
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Old May 1, 2003 | 09:56 AM
  #1016  
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I think Ultimately its going to be personal preference.. The STi is going to have a bit of a learning curve, but external bolt-ons should still be similar to whats already out there for the WRX, so reengineering it will probably take some time. Similar to what the Evo went through when people were trying to adapt things from the 2G DSM.. Since the 2.5 is a new engine for the US market, internals, turbo maps, etc.. and determining the tunability will take some time.. But I'm sure it will be fairly quick to come to market. I think things will be a bit more expensive.

I think you really should go with your gut.. There isn't a huge difference in performance between the two cars, and I suspect the tuning potential for both will be staggering regardless of what you choose.

My personal reason for choosing the EVO over the WRX (and STi) was I see alot of WRX's on the road, and I wanted to be as different as possible. If I wanted all out blazing 1/4's I would have chosen a Z06 corvette, SVT Lightning, or SVT Cobra..

The Evo is a great compromise in performance and convenience, it does alot of things very well, and I suspect that the STi will be very similar, its just not my personal preference.
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Old May 1, 2003 | 10:01 AM
  #1017  
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DJJ
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From: Chicago, IL
I was hoping the evo came in second so that everyone would flock to buy the subaru, so when I'm ready to buy my evo there will be one left for me.
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Old May 1, 2003 | 12:50 PM
  #1018  
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From: Indiana
Ehh...it's all about personal preference. In all honesty, I'm a huge scoobie fan. Not only cause the WRX was released before the Evo hit the streets in the US, but their reputation as a leader in the WRC series. I guess Ralliart/Mitsu has been up there too competing against Subaru/STi but it you know what I mean. For upgrading, I never liked the 4G63 engine but it does have ALOT of tuning potential as I've seen in the older Eclipse GS-T's and GS-X's. Not the most reliable but still relatively easy to upgrade. As for the boxer engine in the STi, it's something you could improve upon but not as easily as the 4G63 in the Evo. Some food for thought haha
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Old May 1, 2003 | 01:24 PM
  #1019  
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From: Western NY
One good thing about the Subaru is the power is already there.
You don't need mods that will void your warranty.

But how hard will it be to make it handle like an Evolution?

Now that I have seen both cars in person the Evolution look is much more to my liking. I am happy with my purchase.
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Old May 1, 2003 | 02:03 PM
  #1020  
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My experience with shocks and springs is that if you want ones that are very good and better than what either the STI or Evo have as stock, you may be looking at a $4000 purchase. These are for race quality competition shocks with remote reservoirs, dual adjustable with custom valving and the ability to rebuild. Names like Penske and Bilstein come up.

If you are looking for the same quality in off the shelf parts, forget it.
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