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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 Jun 28, 2003 | 12:20 AM
  #1576  
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if i had to chose it would be the PROVEN 4G63 with a real throttle cable (******* drive by wire!!!!) and the handling....they slapped together a new 2.5 liter engine and then all the subie guys and import dicks were like "ohh its got more HP/TQ than the EVO", **** if i put a storker kit on a 2 liter don't you think you'd get more HP/TQ? The big *** hood scoop and wing flutter at speed too WTF? I want a well balanced racer (not dragster) that is ready out of the box the EVO is IT.
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Old Jun 28, 2003 | 01:58 AM
  #1577  
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From: Victorville CA
you think they would really make a 2.4 or 2.5 engine...

then all the proven 4g63 parts and all the history of this great engine would be gone...

I dont think mitsu would go that far but who knows I didnt think the evo wouldve of come to the states either....
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Old Jun 28, 2003 | 04:33 AM
  #1578  
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From: Western NY
The Evolution VIII is more nimble.
My Evolution VIII is faster in every way with less invested.
Looks are not critical to me but lets face it the STI looks like it could be my nephew's power wheels car.
Is that STI a 6 volt?
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Old Jun 28, 2003 | 04:45 AM
  #1579  
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From: Maryland
The cars are so close in performance its just impossible to justify the price difference. Besides I've owned a Subaru so I know how useless the warranty is on them, the crap stock paint jobs, repeatably changing a rear wheel bearing, BS prices for aftermarket parts and the only reason why the STI is impressive is because they put a 2.5L motor in it so its nothing like the EJ20 in performance. The EJ20 just has no low end response. I'm not sure how people in the US are breaking the 6spd STI M/T since even JUN has tested them at over 400whp and not had a single one break. Besides guys are already looking at the turbo Forester motor swap into the older body GC, GF and GM body Imprezas.
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Old Jun 28, 2003 | 07:26 AM
  #1580  
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From: So Cal
it's hard to choose between these two beasts. one has power while the other has handling. it all comes down to personal preferences. honestly if i had the money i would also get an sti
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Old Jun 28, 2003 | 07:55 AM
  #1581  
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I always hear the "But the STi has 300hp" argument. Easy solution: spend the money you'd have to spend on a stereo and get a new downpipe and ECU flash. Now you have about 310 hp.... end of story. Of course if you do more, you end up with 350... goodbye Corvettes...
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Old Jun 28, 2003 | 09:13 AM
  #1582  
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Originally posted by Boeturbolancer
I've been thinking of buying the evo but also considered the sti... my findings about the sti just killed it for me. The sti's tranny is weak. There are two guys already getting theirs service here for busted 3rd and 2nd gears. Seems they just pushed that tranny to far. Then i found out it is the same tranny in regular wrx and that there is no strengthening added for the extra power. Hell the regular wrx guys already know the tranny cant take 350hp. Guess it barely handles 300. Also have you test drove one... it's a dog compared to the evo. I've seen this proven at the track as well. Then the dealers are marking them up higher than the dealers of the evo's. Suburu just lost me with to much stupid manufacturing and marketing. Then the stereo issue?? What the hell is that all about. No stereo?? WTF. I know i'm going to get the evo but i'm waiting for prices to fall and parts to be made. There are already many out there. By next year there should be more and who knows... next years evo may be better than this years... after all it was its first year here. I'll wait and see but the STI is no longer a consideration for me. My .02
Holy crap man, please do some research before you make up your BS. Same tranny as the WRX??? Haha that's pretty funny.

When are we gonna lock this thread? I thought we've been through this already?
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Old Jun 30, 2003 | 04:46 AM
  #1583  
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Ok here is my take on the detonation issue with the STi and I own an STi so I know what it is doing. I have rarely heard my car pinging on 93 gas but I have heard it. When I hear it, it is one or two audible pings (sounds like bb's hitting a coffee can). The ECU instantly corrects it. And I do not feel the loss in power. It happens in the exact same rpm range and only under hard loads. I am thinking what the problem is, is a bad algorithym in the ecu at that rpm range. An ECU reflash is supposedly already being done to the 2nd allocation STi's. It will take them a little time to make a flash card they can send to the dealers to reflash the current Sti's. This absolutely the only problem I have had with my car at all. And it is rare that it will ping. I am still very happy with my car and wouldn't give it up for anything.

I seriously doubt it has to do so much with trying to push the extremes out of the engine as it doe's with a bad calcuation being made by the ECU. I mean if they can get 276 hp out of a 2.0 you can bet they can squeeze our 25 more hp out of half a liter.
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Old Jun 30, 2003 | 05:08 AM
  #1584  
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From: Louisville, KY
Originally posted by BADWRX
The only thing fishy is that:

The Subaru's use a VERY HIGH TECH denso ECU. My car's ECU was kicking my ECUTEK's *** over detonation. Pulling timing, and adding fuel.

Is the STI's ECU less advanced than the WRX? The WRX's ecu is a straight pain in the ***. It lears fuel curves, and timing curves based on A:F and knock count. Very advanced Algorythims. So advanced that it is impossible to piggyback them successfully. TSX Utec, or standalone are about the only ways. Otherwize, over a months time, they just learn around any tweaks!

Maybe the STi's have set maps?

Makes you wonder!
sounds like every ECU for any car these days. fuel and timing changes being based on knock, A/F, coolant temp, TPS, engine speed, and MAF is typicall. With FI'd vehicles you throw in another one..boost.

The STi's probably do have set maps. But the piggyback problem..dunno.
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Old Jun 30, 2003 | 07:10 AM
  #1585  
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I seriously doubt it has to do so much with trying to push the extremes out of the engine as it doe's with a bad calcuation being made by the ECU. I mean if they can get 276 hp out of a 2.0 you can bet they can squeeze our 25 more hp out of half a liter.
Good point, does really sound like a timing problem. The car has been shown to run super rich under boost just like the Evo according to Shivs dyno plots. I heard about the flash fix, that is SWEET! I think the engineering dept pulls a lot of weight at Subaru, you know they will fix it ASAHFP.

Keep us posted here when you get the fix for your car, I'm like so many folks with this split Evo/Sti fetish!
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Old Jul 2, 2003 | 08:15 AM
  #1586  
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From: Silver 02 WRX Wagon
Originally posted by dlowman
I mean if they can get 276 hp out of a 2.0 you can bet they can squeeze our 25 more hp out of half a liter.
It's not totally that simple. The design of the piston crowns and other details make a big difference. The 2.5 turbo engine is not totally optimzed yet. The EVO on the other hand has perfected the 2 litre turbo. I was really disappointed to hear the STi would be 2.5l. I'm a big fan of STi's, but the new USDM STi kinda blows, imo.

You'd still have to rip my WRX from my cold dead hands though.
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Old Jul 2, 2003 | 10:15 AM
  #1587  
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I traded in a Subaru on an Evo after the timing belt tensioner failed.

Basically the timing belt tensioner on the Subaru engine is a known failure point on the Subaru engine. (Friends have had the problem and it is a common discussion point on the Subaru news group.) While noise from the timing belt is an issue the real problem is that the left head's camshaft can rotate with respect to the crankshaft. If the tensioner fails sufficiently interference between the valves and pistons occurs. No kidding.

This was sufficient to convince me to switch brands. Note that the WRX 2.0L and the 2.5RS 2.5L engines use identical tensioners (e.g. same part number). I can only assume that the STi's 2.5L engine is similar if not identical to the aforementioned engines....

Last edited by strat; Jul 2, 2003 at 10:18 AM.
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Old Jul 3, 2003 | 04:42 AM
  #1588  
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From: Reston, VA
Question Pricing of EVO vs. STI

All right, this is my first time dipping into the EVO area, but I was just curious as to how all you guys feel about this. When the EVO came out there were outrageous markups ranging from $2500-$20000 depending on where you live. The same thing holds true for the SRT-4 around here, there is a $2500 markup. The thing that boggles me, is the local Subaru dealership, Van Bortel is selling the STI for UNDER MSRP!!! The local dealership has 9 EVOs in stock and can't get them off of the lot. Any one else see a problem here?
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Old Jul 3, 2003 | 04:51 AM
  #1589  
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From: Maryland
The dealership your talking about (the one in Victor correct) is the only one that is offering that deal. All of the dealerships near me are asking for markup, MSRP, freight, and still adding things on to it in the way of options. Hell the dealership I went to won't even talk price or test drive until they can run a credit check to see what the max is that I qualify for despite having a loan preapproved from my bank. So if I can get an Evo for MSRP then its still cheaper then the STI is before mark up and all the extra crap.
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Old Jul 3, 2003 | 05:18 AM
  #1590  
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From: Rockville, Maryland
yea, most Sti's are added w/radios, securities etc... most dealers arent still gouging evo's i think.... more evo's will sell anyways...technically cheaper, plus make 3000 more

-shahul
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