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Old 03-17-2005, 10:18 AM   #1
WRX-ERROR
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Question Recommend a EM for my WRX.

Well I'm an old school rodder (not old though) and normally work on V8's so I am kind of new to the whole "tuner" world. I just picked up a 2002 WRX from a friend. So far it has a turbo back exhaust with downpipe, Manual boost limiter, Boost gauge, temp gauge and some kind of crappy ecu (he said, I'll find out more). Other then that it's bone stock.

My 1st mod is going to be a EM and fuel pump followed but a FMIC, STi pink injectors, turbo (VF22 or VF34) and uppipe.. Pretty much in that order.

I'm looking for around 300whp after all said and done.

Now to my question. I've NEVER worked with any kind of EM before.. I'm a fast learner and a computer guy but really don't want to learn on my own car too much. Or more to the point blow it up. I want a EM that is rather simple to setup and switch maps but at the same time I need something that will grow with my car. All my work is going to be over a year or so. I need something I can change stages with as I mod my car without having to buy a new EM each time or spend $400+ to have it reflashed.

Anyone have any suggestions?
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Old 03-17-2005, 10:45 AM   #2
kpmatt00
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[quote=WRX-ERROR]

My 1st mod is going to be a EM and fuel pump followed but a FMIC, STi pink injectors, turbo (VF22 or VF34) and uppipe.. Pretty much in that order.

I'm looking for around 300whp after all said and done(QUOTE]

I use Ekutec, but that requires reflashing which I believe you do not want to do. There are many Em available which I am sure a lot of people will give you advise on. Utec seems to be popular and you can tune it yourself, given the knowledge. However I have no experience with it and it is a "piggy back" type system.

However, your goals personally do nto seem realistic unless you have an STI. I would guess that setup with a good tune on pump gas is more like 260 whp tops. However, I know there are a lot of variables and factors involved, and dynos read different. BUt I will give an example, I have a JDM sti with a vf-37 and Hyperflow TMIC, last night I dynoed 280/305 hp/tq resp with that setup on 93 winter gas(shizzy). ALthough I did see another wrx there that has a USDM wrx motor and the twin scroll vf-37 and i think he put down 255 or so, which is a realyl strong number. Just a thought.
good luck!

Regards,

Matt
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Old 03-17-2005, 11:35 AM   #3
WRX-ERROR
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You are saying with these mods I wont hit 300whp?
Turbo back exhaust
Up/pipe
Utec EM
STi pink injectors
Walbro Pump
VF22 Turbo
FMIC
and dyno tuned right I wont come near 300? My 300whp is pretty much my max I want since anything more would require either tranny swap or rebuild but I was still expecting to hit that number or atleast close to it..

Anyone else have any suggestions?
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Old 03-17-2005, 11:41 AM   #4
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You should at least consider the Cobb Accessport + Street Tuner. The ST is very new atm and so there isn't much feedback yet or pre-made maps. I'm sure we'll see more map swapping as people get used to tuning with the ST. The vf22 is a very common turbo so I'm sure someone will create a map for it in the near future.

If you don't think you can tune (or at least tweak someone else's map) yourself then you should consider an EM solution that a tuner near you is familiar with. You may be able to hit 300 whp with those mods and a good tune, depends on the dyno.
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Old 03-17-2005, 11:49 AM   #5
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You may hit it if you dyno at the right place, depending on correction and all that. But will it be realistic? I do not know that. If you search around there are mod pages where people list there whp and mods and 1/4 miles times and stuff. I dynoed 278 whp last night. Before i was tuned I was at 257 whp, and I pulled a friend of mine with same setup you are talking about w/vf-22 utec tuned by xx-tuning claiming 300 whp/304 tq, from 2nd -4th gears. Unless this car your talking about is an STI, then you have a better chance but I still doubt it.

Regards
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Old 03-17-2005, 11:50 AM   #6
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Quote:
Originally Posted by Chigliakus
You may be able to hit 300 whp with those mods and a good tune, depends on the dyno.

^^^^^
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Old 03-17-2005, 11:52 AM   #7
WRX-ERROR
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I'm looking into them all right now.. And orinally AP was my 1st choice cause it seemed easy to use but I was afraid I would out grow it and need to buy a new EM.. I guess by the time I get to stage 3 there should be maps for it..
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Old 03-17-2005, 11:54 AM   #8
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Quote:
Originally Posted by kpmatt00
You may hit it if you dyno at the right place, depending on correction and all that. But will it be realistic? I do not know that. If you search around there are mod pages where people list there whp and mods and 1/4 miles times and stuff. I dynoed 278 whp last night. Before i was tuned I was at 257 whp, and I pulled a friend of mine with same setup you are talking about w/vf-22 utec tuned by xx-tuning claiming 300 whp/304 tq, from 2nd -4th gears. Unless this car your talking about is an STI, then you have a better chance but I still doubt it.

Regards
Well I can live with 280whp I'm not dead set on 300.. But 260 just seemed REALLY low for those mods..
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Old 03-17-2005, 12:07 PM   #9
kpmatt00
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I always thought so, I guess it is just the dyno/gas/day. I have seen friends with higher number than me no where closein power though. Just athought. Franz at KTR is really really good. check them out at ktrperformance.com

regards
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Old 03-28-2005, 11:18 AM   #10
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Change VF 22 to FP18G

and for engine management use an AEM, the utec sucks.
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Old 03-28-2005, 11:27 AM   #11
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uh ...
there ar thousands of people that would disagree about the utec and 100 or less with the AEM to side with you

300 whp isn't gonna happen but the car will be a kick in the pants
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Old 03-28-2005, 11:40 AM   #12
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Default Just because a bunch of people have it

Just because a bunch of people have the utec doesnt make it great.

I had a utec, when I switched to the aem, we made no other changes. All we did was tune the AEM we made the same power we were making with the utec but with 3lbs less boost.

Zero knock problems, no software glitches, a perfect air to fuel ratio.

Use the Utec if you want but I think most people that have had the Utec and the AEM will tell that the AEM is far superior and for that matter the HYDRA is a good option too.


Best of Luck
Matt


Disclaimer:
These are my opinions please take them as so, if you dont like them thats fine.
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Old 03-28-2005, 01:15 PM   #13
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Get a different turbo if all you want is 300 Peak HP.
It will not be great down low....
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