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Old 05-26-2007, 10:11 PM   #1
JonR
Scooby Specialist
 
Member#: 22753
Join Date: Aug 2002
Chapter/Region: South East
Location: East TN
Vehicle:
2002 PSM WRX +PPG
OBXT

Default VF34 First time at the 1/8

Couple of the better (relative) slips:

RT .251
60' 2.186
1/8 ET 9.147
1/8 MPH 80.826

RT .860
60' 2.311
1/8 ET 9.407
1/8 MPH 82.059

RT .425
60' 2.352
1/8 ET 9.495
1/8 MPH 82.109

So, basically, I suck at launching the car, but at least from what I've read, the trap speed is consistent with the mods (according to hotrod's conversions, it would trap around 104 or so in the 1/4).

In the 1/4, I know a tenth off of the 60' is .2 in the ET, I'm guessing it's not quite as much in the 1/8 but I figure I could have easily run 8.5's if I can get it off the line cleanly. Mainly it was bogging it that was holding me up. Fortunately, this track is pretty empty each week so I can get lots of practice in, which apparently is what I need.

Engine mods:
MRT TBE, high flow cat (probably holding me back most of all, all ceramic and clogged over the years)
JDM catless UP
VF34
Pinks
Walbro 255
APS fuel rails
Ebay TMIC
Prodrive IC hoses
APS splitter
STI scoop
APS inlet
DIY intercooler spray
DIY PNP manifolds
Accessport Protuned by Boxer4racing (road-tune only)

I have an 18g 8cm to put on but I figure I'll try to get my launch down before I add more power. Also, the car has not been tuned since the fuel rails, which I understand can add about 1 point to the fuel maps.
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Last edited by JonR; 05-26-2007 at 10:40 PM.
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Old 05-27-2007, 04:43 PM   #2
Strng1dah
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Member#: 7053
Join Date: May 2001
Chapter/Region: BAIC
Location: Sacramento, CA
Vehicle:
2002 WRX
13.1@104

Default

For comparison's sake, here is a recent 1/8th run from my vf39 car, most other mods very similar...

60 - 1.94
1/8th ET - 8.487
1/8th MPH - 82.268

Now my car has fairly weak top end, and finished that run with a 13.2@102
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Old 05-27-2007, 04:46 PM   #3
capamerica
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Member#: 105056
Join Date: Jan 2006
Chapter/Region: South East
Location: MIAMI, FL
Vehicle:
2005 WRX
WR BLUE

Default

what are you putting down at the wheels?
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Old 05-27-2007, 07:11 PM   #4
JonR
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Join Date: Aug 2002
Chapter/Region: South East
Location: East TN
Vehicle:
2002 PSM WRX +PPG
OBXT

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Quote:
Originally Posted by capamerica View Post
what are you putting down at the wheels?
It has only been road tuned, so I'm not sure.
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Old 06-08-2007, 02:38 PM   #5
Rice Boi
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Member#: 25811
Join Date: Oct 2002
Chapter/Region: NWIC
Location: all over WA
Vehicle:
2002 WRX (6spd)
2010 TDI CupEdition (DSG)

Default

you need to be more aggressive on the launch. At almost sealevel, I am able to pull:

1/8 --8.7 @ 84mph
60-- 1.75
with stock TD04.

I'm sure your car should be closer to the VF39 numbers posted above.

-Added, do you have wheels? When ever I run my car at the strip, I use my stock wheels wrapped with low pros. This really allows me to launch with out bogging down the car. The lower rotational mass makes a difference as well.
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Old 06-08-2007, 02:41 PM   #6
mxboy15u
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Join Date: Jan 2006
Default

With my VF30 I am going 8.1 at 86 with a 1.80 60 foot. With 1.9 60 foots I am between 8.2 and 8.3 very consistently, never slower than 83.

2.0l
VF30
UTEC not running any launch control
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Old 06-08-2007, 09:54 PM   #7
TAPOUT
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Member#: 127670
Join Date: Sep 2006
Chapter/Region: MAIC
Location: Springfield, VA
Vehicle:
2007 HTA GT3794
Darton Sleeved

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When my car was stock, I ran 8.3 @ 82 with a 1.80 60 ft.
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Old 06-09-2007, 02:24 AM   #8
DrKicker
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Member#: 23071
Join Date: Aug 2002
Chapter/Region: TXIC
Location: Plano, TX
Vehicle:
2003 WRB WRX
2005 OBP FXT

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Quote:
Originally Posted by JonR View Post
Couple of the better (relative) slips:

RT .251
60' 2.186
1/8 ET 9.147
1/8 MPH 80.826
It's all about the launch. More revs, quick slip of the clutch.

60': 1.83
1/8 ET: 8.54
1/8 MPH: 80.40

02 WRX stock turbo @ 15.5psi, catless uppipe and turboback, tuned. Made 243whp 240wtq on a Mustang dyno.
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