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Old 03-06-2005, 01:58 PM   #1
Lordhowe
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Default 03 WRX Cobb Stg 2 93 octane on Dynojet

This is the first time i took my car on the dyno. the Dynojet is located in Cochranville PA (xoticmotorsports).
following performance mods:

1. removed intake silencer
2. K&N drop in filter
3. Perrin Intercooler hose kit
4. Helix downpipe
5. Borla catback 2.5"
6. Cobb accessport running stage 2 93 octane.



to put everything in perspective a Brand new EVO MR put down 241 whp and 261 Wtq.


any comments are welcome.
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Old 03-06-2005, 02:19 PM   #2
Lordhowe
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ambient condition: 49.98 F. 29.27 in-Hg, humidity 26%, SAE: 0.97

a small fan on the TMIC and a big fan in the front of the car.
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Old 03-06-2005, 02:19 PM   #3
whtlegacy
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nice, does the dynojet read high? we've got similar setups although i have a few more mods...
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Old 03-06-2005, 03:23 PM   #4
Needles
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Sound to be a little high.COBB Stg 2 runs about 225whp.
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Old 03-06-2005, 03:34 PM   #5
SleepinRex
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yea .. dynojets read the highest among most of the dynos out there. Great numbers nonetheless, especially with the hks flat plate style and the 2.5 taper. Just goes to show that these small differences in exhaust designs are really pretty insignificant at this level of modification. Now get yourself some injectors, pump, and pinks and lets see what she'll pull out.
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Old 03-06-2005, 03:50 PM   #6
Lordhowe
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Quote:
Originally Posted by Needles
Sound to be a little high.COBB Stg 2 runs about 225whp.
The people worked at the dyno told me that a stock wrx usually makes 175 at the wheels at that particular dyno and a stock STi is exactly where i am. Some of them that worked there didn't believe i had a stock turbo.


the max boost in 3rd gear (pull) was 16.5 psi all the way till red line.
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Old 03-06-2005, 04:00 PM   #7
Lordhowe
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Quote:
Originally Posted by Needles
Sound to be a little high.COBB Stg 2 runs about 225whp.
that's on a mustang dyno right? which is AKA the heart-breaker.

Last edited by Lordhowe; 03-06-2005 at 04:05 PM.
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Old 03-06-2005, 04:11 PM   #8
boundy3
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Catless? and do you still have the stock up-pipe?
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Old 03-06-2005, 04:16 PM   #9
Lordhowe
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with the helix dp, i eliminated 2 cats, but i still got the stock uppipe, which is the next to go when i replace my headers with borla
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Old 03-06-2005, 09:10 PM   #10
crazymikie
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Dyno Dynamics is called the heartbreaker because it reads lower than any other dyno.

Are you sure you held 16.5 psi to redline? I didn't think you could do that on a stock turbo. Maybe yours is just a super-wrx

That's a nice broad torque curve, though....2k rpm worth of yummy flat torque.



Mike
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Old 03-06-2005, 09:11 PM   #11
bren wrx
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i have a super wrx 111!!!one!!
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Old 03-06-2005, 09:19 PM   #12
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The guys at xotic and their dyno are awesome. Especially for ecutek tuning.

Those are some really nice numbers for what you have. On the same dyno I got 279whp/256ftb torque. I have a td05 16g, catless exhaust. w/ a stock top mount.
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Old 03-07-2005, 02:15 PM   #13
Jimbo
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Any idea what caused the dip @ 6K? Do you have the A/F curve?

Jimbo
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Old 03-07-2005, 03:30 PM   #14
SpoolinAWD
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Nice now go Evo hunting
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Old 03-07-2005, 03:55 PM   #15
fogdor
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Wow, that is a bad dip at 6K. Can someone who knows chime in if the 03 ECU can pull timing like that at 6K?
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Old 03-07-2005, 06:17 PM   #16
Lordhowe
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I do have a AF graph which i will post later. But the power curve for all 4 of my runs are almost identical with dips at 6 grand. It seems that my ECU is learning since it picked up 10hp and 11ft lbs from the first to the third run. the air fuel were almost identical also, sitting at 12.5 all the way to 4700 rpm then drops to 11.5 through the rest of the run. At 6 grand where the dip appears, the AF is still very consistant at 11.5.
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Old 03-07-2005, 06:37 PM   #17
02WRX_BLUE
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I think that's where boost were papered. I would think it's boost fluctuation at 6 grand dip!
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Old 03-07-2005, 06:59 PM   #18
Soon2bSubbieowner
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thats 40 more WHP than my 05 with stage 1 put down. Nice numbers! Here are my results from a DynoJet. First dyno is stock, second dyno is Stage 1 93 Octane:

http://forums.nasioc.com/forums/showthread.php?t=719327

-Rob
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Old 03-07-2005, 07:13 PM   #19
OppositeLock
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12.5 A/F through the meat of the torque curve, on pump gas, is too lean and would partially explain the high numbers in my opinion. It is also the reason I got rid of my AP right ater getting it. Nice numbers though and good luck.

Dave
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Old 03-07-2005, 07:44 PM   #20
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My buddy will be excited to see this, he has the exact same setup as you.
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Old 03-07-2005, 07:46 PM   #21
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Does the 91 map run richer?
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Old 03-07-2005, 07:50 PM   #22
lawn boy
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i wonder how much of a difference people who run the utec basemap stage 2 are feeling...

I am UTEC stage 1 right now, about to be stage 2 + up pipe, IC hoses, blitz intake
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Old 03-07-2005, 08:58 PM   #23
gellar
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Holy sweet mother is that a lot more power than I had with my Stage 2. Admittedly less mods, but still:

1. removed intake silencer
2. K&N drop in filter
3. Helix uppipe
4. PDE catted downpipe
5. Prodrive axleback 2.5"
6. Cobb accessport running stage 2 91 octane - CA Map:

209 HP / 211 FT-LBS on a Dynojet here in LA.
77.15 deg F, 30.02 in-Hg, Humidity 22%, SAE .98

NICE NUMBERS.
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Old 03-07-2005, 09:50 PM   #24
lawn boy
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its because of the 91 octane piss water man...
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Old 03-07-2005, 11:20 PM   #25
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Quote:
Originally Posted by lawn boy
its because of the 91 octane piss water man...
Im only just getting into the "power game" but would 93 vs 91 oct really make a 30whp difference?

-Rob
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