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Old 05-16-2013, 12:17 AM   #1
Overboosting04
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Member#: 202417
Join Date: Feb 2009
Location: Midwest
Vehicle:
Wrx Stock EJ207
11.3@127

Default Stock Longblock EJ207 25psi 500whp

Event: Road Dyno
Location: Palatine IL
Ambient Temp: 84*
Elevation: 747 above sea level
Weather: Sunny
Tires: 235/45R17

Car: 2004 WRX
Tuner:Matt Cater (555 motorsports)
Dyno Info: Airboy
Transmission: 08 Sti 6spd
Gear: 3rd
Peak HP at RPM: 508@6710
Peak Torque at RPM: 440@5370
Target Boost: 25
Target AFR: 11.8
Fuel: e85
Engine/Power Modifications: Ej207 ver8, gt spec gen III headers, custom 2.5" up-pipe with external MVS wastegate, Precision BB5857, 85mm blow through maf, reverse intake manifold, Grimmspeed EBCS, Grimmspeed MBC
Driveline Modifications: 08 Sti 6spd, Exedy twin disk, r180 rear diff, hybrid axles
Fuel System: -8 feed, -6 return, hardwired e85 walbro 400, cosworth rails, fore innovation fpr













Acceleration vid (closed road) 40-120
http://www.youtube.com/embed/ZtRglrDeFg4
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Last edited by Overboosting04; 09-25-2013 at 02:03 PM.
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Old 05-16-2013, 01:07 AM   #2
Str8Gone
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2004 wrx hybrid 18g
jbp

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Great looking car, stout setup. I thought these could be revved out to over 8k rpm
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Old 05-16-2013, 01:08 AM   #3
tim85851
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damn nice!
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Old 05-16-2013, 05:47 AM   #4
Layvon
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STi 04/05/06/07
JBP / OBP for now

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Looks good other than the blow through MAF. With the ease of speed density, why didn't you go that route?

Pretty good power levels for a 2.0 and a smaller turbo. I considered the 5858 myself, but ended up w/ a 6262.

Love the SRR. Favorite color for suby's
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Old 05-16-2013, 07:57 AM   #5
Zee Biker
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Beaten Silver

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Airboy is great for pretty shapes but it really hides spool figures. 500+ on it though is simply no joke though!

What'd you do to actually see 25# since the stock sensor is done at 22.something?
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Old 05-16-2013, 08:22 AM   #6
2000subie
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2004 stage 3 wrx
WRB

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Nice set up, how is your spool on the street? Do you have avcs enabled?
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Old 05-16-2013, 09:12 AM   #7
Subian
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Quote:
Originally Posted by 2000subie View Post
Nice set up, how is your spool on the street? Do you have avcs enabled?
^This, since he sees peak torque at around 5k rpm.
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Old 05-16-2013, 09:28 AM   #8
Overboosting04
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11.3@127

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Its not that bad, its got just enough torque to cruise around at 2k
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Old 05-16-2013, 09:29 AM   #9
Overboosting04
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11.3@127

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And avcs is working
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Old 05-16-2013, 09:41 AM   #10
mxturboracer86
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2013 SXL
555 Motorsports

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Quote:
Originally Posted by Layvon View Post
Looks good other than the blow through MAF. With the ease of speed density, why didn't you go that route?

Pretty good power levels for a 2.0 and a smaller turbo. I considered the 5858 myself, but ended up w/ a 6262.

Love the SRR. Favorite color for suby's
No need to complicate the setup, its a JDM ECU so the only choice would be the Carberry ROM, and with the 85mm blow-thru MAF we are good to over 30 PSI on this turbo, and it drives like stock

It would be interesting to see what's in it if we turn the boost up past 28 PSI, but then we really will get concerned about lifting the heads with stock head bolts.
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Old 05-16-2013, 11:01 AM   #11
Concillian
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Quote:
Originally Posted by Zee Biker View Post
Airboy is great for pretty shapes but it really hides spool figures. 500+ on it though is simply no joke though!

What'd you do to actually see 25# since the stock sensor is done at 22.something?
ver 7/8 map sensor is not done at 22.x.

I think it's a 2.8 bar sensor, which would put it's limit at 26.x
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Old 05-16-2013, 11:33 AM   #12
Zee Biker
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Quote:
Originally Posted by Concillian View Post

ver 7/8 map sensor is not done at 22.x.

I think it's a 2.8 bar sensor, which would put it's limit at 26.x
Schooled and I'm not even mad.

Any chance at a log file or vd chart?
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Old 05-16-2013, 12:04 PM   #13
bjohnson_55
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Java Black Pearl

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How is speed density more complicated than 85mm blow through? That's old school stuff.
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Old 05-16-2013, 12:14 PM   #14
juanmedina
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07 FPgreen 7.37@95
WRX VF39+E85 12.0, 121mph

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Looks awesome.

Can you post a VD on the dynojet setting?

Congrats
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Old 05-16-2013, 12:21 PM   #15
207STi
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Quote:
Originally Posted by bjohnson_55 View Post
How is speed density more complicated than 85mm blow through? That's old school stuff.
Tell that to everyone making over 600whp
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Old 05-16-2013, 12:46 PM   #16
Overboosting04
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11.3@127

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Yea ill post a vd chart, im gonna go weigh it first so I can get the most accurate reading
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Old 05-16-2013, 12:57 PM   #17
mxturboracer86
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555 Motorsports

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Quote:
Originally Posted by bjohnson_55 View Post
How is speed density more complicated than 85mm blow through? That's old school stuff.
There would have been more involved to switch over, we have been running the setup on this car for over a year, its dialed in and proven to support the needs on the car, why switch what works if it offers no benefit, the 85mm isnt a restriction
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Old 05-16-2013, 01:37 PM   #18
Overboosting04
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11.3@127

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added acceleration vid, someone want to embed it for me?
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Old 05-16-2013, 03:02 PM   #19
Dave D.
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Nice to see what 2 liters can do. Let's hope the next-gen WRX's can generate some numbers like this.
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Old 05-16-2013, 03:12 PM   #20
FuJi K
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NF Performance

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Do you have trouble getting the 2/3 shift with that tranny?
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Old 05-16-2013, 03:34 PM   #21
Overboosting04
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11.3@127

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Quote:
Originally Posted by FuJi K View Post
Do you have trouble getting the 2/3 shift with that tranny?
Yes I do actually can you tell?
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Old 05-16-2013, 03:54 PM   #22
FuJi K
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Quote:
Originally Posted by Overboosting04

Yes I do actually can you tell?
How used is your twin clutch?
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Old 05-16-2013, 07:26 PM   #23
mxturboracer86
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Old 05-16-2013, 07:30 PM   #24
Junyy
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Wsoohhh

Nicely done Gents!
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Old 05-16-2013, 07:58 PM   #25
Overboosting04
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11.3@127

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Quote:
Originally Posted by FuJi K View Post
How used is your twin clutch?
Disks are fairly new, probably 8k on them. The intermediate plate was almost out of spec, but i didnt replace it. Seems to chatter more than other twin disks
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