Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

2006 Stage 2 WRX TR Protune results from Paul at DBtuned

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Old 11-20-2007, 07:50 AM
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Now have 300 miles on my tune and the car runs great. Driving like an *** hat I still managed 21-22 MPG.
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Old 11-20-2007, 11:39 AM
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is the 18g goin to be rough on my tranny
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Old 11-20-2007, 05:24 PM
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Originally Posted by 07wrxguy
is the 18g goin to be rough on my tranny
All depends on how you drive, but it is more likely your tranny will fail with an 18g
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Old 11-20-2007, 07:15 PM
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so you have just a stock turbo. whats the hp you get i know your whp but what that in just hp. what are you keepin up with on the street. also what is paul chargin for that protune. i already have my ap, sti tmic, hks exhaust and im about to get my dp then wanted to get a turbo or just tune so that why im asking.
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Old 11-20-2007, 07:39 PM
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if i were to beef up my tranny to make sure i dont break anything what would i have to get or should i just spend the fortune for the sti tranny
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Old 11-20-2007, 08:13 PM
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Originally Posted by 07wrxguy
so you have just a stock turbo. whats the hp you get i know your whp but what that in just hp. what are you keepin up with on the street. also what is paul chargin for that protune. i already have my ap, sti tmic, hks exhaust and im about to get my dp then wanted to get a turbo or just tune so that why im asking.
Yes stock turbo.

Well if you figure 20-25% drivetrain loss, that works out to between about:

288-300HP at the crank and 348-362 ft-lbs Tq at the crank.

First off call Dbtuned Paul will line you out in a few min, but to give you an Idea:
Pauls shop rate is $105/hr IIRC. Figure about $300-$400 for a protune depending on how much time he has to invest. [ *Its Best to call Paul and ask though, I don't speak for him so in the end its all up to Paul. ]

As far as keeping up with on the street, I don't know what to tell you, I haven't really raced anyone. I ran a 13.8 at sac speedway before the added power. My butt dyno that has been carefully "pucker calibrated" lends me to think I'm at around a 13.0-13.1 right now. Well see in the spring I guess. Honestly, unless I install PPG gears I don't know if I'll be doing any more engine mods. I have plenty of power and got 22MPG my last tank.

Originally Posted by 07wrxguy
if i were to beef up my tranny to make sure i dont break anything what would i have to get or should i just spend the fortune for the sti tranny
Seriously its all in how you drive. Talk to Paul. He has guys who repeatedly blow up stock transmissions for driving horribly. Then there are people like me who have 29000 miles on their trannys with no problems and 20k of that was stage 2. There are people on this forum and others with 100k on stock tranny with lots of power. Power doesn't kill transmissions, driving badly does.

Too make it live, change the fluid regularly, don't drop the clutch ever, dont short shift, dont grind gears, keep launching to a minimum, and no donuts.

But for Tranny upgrades:

RA gear sets run something like $2700ish installed

PPG gears run $3800 for just the set not counting syncros, bearings, shift forks etc.......maybe $5000-$6000ish.

Sti tranny swap runs from $3500-$7000, depending on what you pay for the transmission and if you can sell yours for money.

Have fun.
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Old 11-20-2007, 08:39 PM
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Originally Posted by 07wrxguy
is the 18g goin to be rough on my tranny
No, as long as you don't abuse your tranny. I have a hybrid engine, 2.5 STi shortblock and 2.0 wrx heads. I am currently at 311awhp/377awtq for about 20K now and my tranny is fine. As stated before don't drop the clutch, grind gears, mis-shift, drive like a numb nuts, etc. and your tranny will last you for a long time to come.
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Old 11-21-2007, 02:57 PM
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thanks alot for your input
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Old 11-21-2007, 03:08 PM
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Damn. Those are some nice numbers, I'm a bit jealous. I have similar mods (Greddy Evo2, Crucial DP) with an EcuTek tune by Mike. I got this way before the AP2 was available for the 07. I made 229.2 whp and 271.5 ft-lbs.

The only cars I've had a chance to run against was a stock G35 and a stock Evo VII and I was able to take them.
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Old 11-24-2007, 09:45 PM
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Originally Posted by debbid
Damn. Those are some nice numbers, I'm a bit jealous. I have similar mods (Greddy Evo2, Crucial DP) with an EcuTek tune by Mike. I got this way before the AP2 was available for the 07. I made 229.2 whp and 271.5 ft-lbs.

The only cars I've had a chance to run against was a stock G35 and a stock Evo VII and I was able to take them.
Those are still really nice numbers.
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Old 11-24-2007, 11:46 PM
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nice gains you got! but you will find that the 350whp is also a great club to be in!
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Old 11-24-2007, 11:49 PM
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Originally Posted by 07wrxguy
thanks alot for your input
you will be fine I got 349whp and 330wtq on my small 2.0 with a 18g and i am great. I hope that you get a tdo6 18g cause you got that nice 2.5 to push that turbo!
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Old 11-25-2007, 11:49 AM
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Originally Posted by 04caliwrx
you will be fine I got 349whp and 330wtq on my small 2.0 with a 18g and i am great. I hope that you get a tdo6 18g cause you got that nice 2.5 to push that turbo!
damn... must be more than just a ej20.
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Old 11-25-2007, 07:08 PM
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Originally Posted by 03_Impreza_Al
damn... must be more than just a ej20.
Word... my WRX has an 18g with all the supporting mods including a FMIC. 311whp on FLI's dyno.
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Old 11-25-2007, 10:04 PM
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Originally Posted by 03_Impreza_Al
damn... must be more than just a ej20.

nope it is a bone stock 2.0 block! I think some of the reasons that I hit is is cause I have a great tuner! i will try to find a dyno for you
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