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Old 06-02-2011, 09:45 PM   #1
my9thtry
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Join Date: Feb 2009
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SWP

Default 2007 STi 20g-XT 400/400 on 93

Thought i would share my setup as i cought me by suprise when doug told me the power it put down.

Event: dyno pull / quarter mile
Location: S&R Performance Tampa FL
Ambient Temp: 93
Elevation: Ha its FL
Weather: Hot
Tires:265/35/18 Azenis 615s

Car is a 2007 STi Built, bottom end w/ CPs and Manleys,
Built by S&R tuned by Doug from topspeed @ S&R with the following mods:
APS 70mm intake
Samco Inlet
DW 750s
AMR TMIC
Maddad UEL header coated by James At IPG
Grimmspeed EBCS
Blouch 20g-XT 10cm @20.

Driveline Modifications: Stock 6spd with group n mounts and an ACT Street clutch.


Peak HP at RPM: 404 @ 6300
Peak Torque at RPM: 406 @ 4650
Target Boost: 20.5
Fuel: 93

Car spools at 37-3800 pulls very well to redline

Best part is this is on 93 OCTANE PUMP GAS

Pic of the graph is here if someone wants to host for me feel free
http://www.facebook.com/media/set/?s...4&l=acfaba6712
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Last edited by my9thtry; 06-03-2011 at 10:19 AM.
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Old 06-02-2011, 09:59 PM   #2
jutes85
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Great numbers, but does it seem a little laggy? Could it be the large turbine housing?
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Old 06-02-2011, 10:00 PM   #3
fishheadback
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1998 RS 2.0 vf23 STi
& MK6 GTI

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Good ol facebook resize


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Old 06-02-2011, 10:09 PM   #4
my9thtry
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It is slightly slower but i think i more then made up for it in the top end.

I dont autocross, so i dont mind LOL.

Thanks Fishhead
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Old 06-03-2011, 03:28 AM   #5
stretchedk7
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wow very nice. My buddy has the same setup on a stock sti tmic and is doing like 350 ish 370. hes also tuned by doug who is the man. The tmic makes a huge difference.
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Old 06-03-2011, 08:09 AM   #6
Scooby921
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Please update your 1st post with the required format found here. Thanks.

http://forums.nasioc.com/forums/show....php?t=1858764
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Old 06-06-2011, 12:57 AM   #7
jimbo228
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There is some debate going on over @ iwsti on whether this is the new BB 20gXTR or the 20GXT. Can you please confirm,
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Old 06-07-2011, 02:03 PM   #8
jaxscuby
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graph shows peak torque ~4600
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Old 06-07-2011, 10:17 PM   #9
Narclopse
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What was your injector duty cycle and fuel pressure?
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Old 06-08-2011, 12:55 AM   #10
my9thtry
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Jimbo its a 20g-XT like the description says

Narc i have not logged the duty cycle but the fuel system is stock besides the injectors and 255HP pump, stock regulator and lines
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Old 06-08-2011, 09:34 PM   #11
Narclopse
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With 100% duty cycle you would need 780cc injectors to support that kind of power at the stock fuel pressure.

What kind of dyno was this on?

I ran a couple calculations and at 86.5% duty cycle your injectors can support ~332WHP (+ or - 2% or so).

The reason I am looking at your numbers so hard is because those are the numbers I'm shooting for and I'm running 1000cc injectors with adjustable fuel pressure (and all supporting mods of course).

I'm also assuming ~17% loss from crank HP to the wheels on an AWD car.
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Old 06-09-2011, 12:18 AM   #12
RCMASTI
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What was the CF on this dyno? If any?
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Old 06-09-2011, 04:30 PM   #13
Narclopse
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Quote:
Originally Posted by RCMASTI View Post
What was the CF on this dyno? If any?
Good question.
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Old 06-09-2011, 05:26 PM   #14
CVR STi
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I would like to see what this car traps.
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Old 06-10-2011, 09:30 PM   #15
my9thtry
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Quote:
Originally Posted by CVR STi View Post
I would like to see what this car traps.
Disappointing track day.... Not for nothing I drove the car well but the MPHs do not confirm 406whp I put out 4 back to back 12.4s with high 1.7s(1.77-1.78) 60fts @112 temps are about 93 but not any different then Dyno conditions.
My average was about here

RT: .512
60': 1.784
330: 5.198
1/8: 8.012
MPH: 86.85
1000: 10.435
1/4:12.455
MPH 112.12
If i had a 1.8 60' i would run 113/114, if i had a 1.7 112.


The car is very consistant i had a couple slower runs when i was feeling out the new clutch and one where i left the ac on but i could do well in the bracket racing series

Maybe it's my driving but considering out of the three subies here the closest rival was rocking an fpgreen and couldn't get below 14.5 I'd be inclined otherwise. Saw an 05 Rex run a 17.4 almost made me feel better about my sorry *** 12.4.

60fts could be better but they are good enough that the car "should" be running 116-118 mph in the 1/4 with 406whp

Right about 360whp from my guess....

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Old 06-10-2011, 09:51 PM   #16
Ohhey1
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360 seems more realistic. Still very good for that size turbo. I was at 361 on my HTA green before methanol and at 19psi.
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Old 06-10-2011, 10:05 PM   #17
my9thtry
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Yeah S&Rs dyno has some funk going on, the car wouldnt load properly and didnt spool until 4500 on the dyno. During the street tuning it spools by 3800 no problem, not to mention the insane high readings nature also.
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Old 06-12-2011, 03:13 PM   #18
k04sti
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Hmm.. thats odd with my blouch 2.5 and 100% meth I got 407 whp..same dyno, but nice numbers. With a cooler run during winter I'm sure you might be able to dip into 11's.
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Old 06-12-2011, 09:54 PM   #19
THE_SMURF
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12.4 isn't bad... question though, what's a 400 whp supposed to trap?

and I would happy with a 1.7 60', I suck at launching

also what does a stock STI put down??
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Old 06-12-2011, 10:01 PM   #20
Junior2JZ
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Quote:
Originally Posted by THE_SMURF
12.4 isn't bad... question though, what's a 400 whp supposed to trap?

and I would happy with a 1.7 60', I suck at launching

also what does a stock STI put down??
400whp should trap in the high high teens 120-121. 112mph is like 320-330whp. My Xt with mid 300s trapped 116.9mph, it weighs 3500lbs.
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Old 06-12-2011, 10:07 PM   #21
THE_SMURF
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damn... I'm making almost the exact same numbers but my stock clutch is slipping so no real trap speeds, good to know

good luck with your goal man, exactly what I want, a simple 11 second WRX .... even if it's an 11.9999 lol
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Old 06-12-2011, 10:08 PM   #22
DrDanimalSize
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AMR TMIC

that's the problem right there, get a FMIC! Turbo cars are very picky about intake air temps, I bet you could pick up lots of mph with a FMIC on a cool day.
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Old 06-12-2011, 10:11 PM   #23
THE_SMURF
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e85, race gas, meth or an intercooler chiller would lower them as well
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Old 06-13-2011, 12:31 AM   #24
k04sti
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mmhmm.. meth and upgraded tmic and if its spearco even better!
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Old 06-13-2011, 03:50 AM   #25
Ohhey1
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+1 meth. Running 100% and gained 59.6 whp.
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