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Old 05-05-2009, 02:34 PM   #1
Tucker587
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Default 07 WRX Stage II 1/4 Results!

Hi guys, just wanted to post my results for the 1/4 mile. This was my first time at the track so any helpful criticism would be appreciated. I know I am not the best driver in the world but I tried my best lol. The car is an 07 WRX TR that put down 232/324 at P&L's dyno with the following mods on a conservative tune of 16psi max and 93 octane :
Invidia V3 Catless Downpipe
Invidia Uppipe
Stock catback
Walbro 255
STI Top Mount
K&N Typhoon (Not present during protune)
Results:
60' ft = 1.88
330' ft = 5.655
1/8 ET = 8.788 @ 77.75
1000' ET = 11.50 @ 90.41
1/4 ET = 13.77 @ 99.76

Is there more left in the car at the track? From what I've read, most stage 2's clock in at 100 or so. I won't be bringing it back to the track until I complete the VF48 upgrade over the next few weeks. I just wanted to theoreticize (if thats a word ) about the possibible times I could have posted. I appreciate any positive feedback thanks!!!
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Old 05-05-2009, 03:33 PM   #2
CSCSATCWRX
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Nice. Thats right about what you would expect out of a stg 2 wrx. You are going to love your turbo swap. Be sure to post up your numbers when you get to the track with the vf48.

Good luck.
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Old 05-05-2009, 04:49 PM   #3
Steve.804
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22mph in the back half is not bad! Certainly you can always improve with a better launch but a 13.7 is not bad for a stock turbo WRX.
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Old 05-05-2009, 06:21 PM   #4
Tucker587
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Nice! Kinda sad I didnt trap 100 but o well next time around theres no way I can miss it with a vf48 lol!
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Old 05-05-2009, 07:54 PM   #5
Steve.804
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vf48? If you're going to upgrade the turbo, UPGRADE the damn thing!! I dont mean set your sights for a GT35R, but anything smaller than a say a 18G is going to fall on it's face towards redline. Especially if you start getting more into drag racing. I vote TD0620G 8cm^2 and don't look back
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Old 05-05-2009, 08:08 PM   #6
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Quote:
Originally Posted by Steve.804 View Post
vf48? If you're going to upgrade the turbo, UPGRADE the damn thing!! I dont mean set your sights for a GT35R, but anything smaller than a say a 18G is going to fall on it's face towards redline. Especially if you start getting more into drag racing. I vote TD0620G 8cm^2 and don't look back
I bet his 3rd gear disagrees. 324 wtq at stage 2 is no joke.
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Old 05-05-2009, 09:10 PM   #7
Tucker587
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Jorge said the car was a strong one! However, IIRC from my dyno plot, I make 324tq at about 3000rpm but it falls flat after about 4500rpm. After every shift, I was way past the torque band so i am glad that i did not put my baby of a tranny under much stress. I am starting to think i didnt trap 100mph because I shifted at about 5750-6000 in order to stay in the torque band a bit. I asked jorge what he thought about both turbos and he said that the vf48 can hold power better than thevf39 . It is true that the 18g will make more power, but its not going to be necessary with my setup. I will still be on the stock catback anyhow, and will thrown in a GMS inlet and an HOA 3 port boost control solenoid for the retune along with the vf48. cant wait to test out the limitations of the stock exhaust then move on to larger numbers

Last edited by Tucker587; 05-05-2009 at 09:22 PM.
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Old 05-05-2009, 09:14 PM   #8
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Looks pretty good, though I would expect a smidge higher trap speed, somewhere closer to 102. Either way, not bad! With that kind of torque, even though it falls off, you should be able to pull a 1.75 60ft with some practice, which will take you down to a 13.5ish . I'm surprised that it's only 16psi, especially on 93 octane, but I wouldn't question the tuner, he knows your car better than I do.

For the first time out, I'd say you did great . Room for improvement, but not shabby by any means.
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Old 05-05-2009, 09:50 PM   #9
Dave D.
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Agreed, with a bigger turbo you will feel the back half of the 1/4 really open up. I know when I installed my VF39 that it was still in the middle of pulling right where the TD04 was ready to shift again.

If you look in the VF39 WRX registry you will see a WRX that ran a 12.9 through the stock catback!
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Old 05-05-2009, 09:55 PM   #10
ramair18954
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nice run!
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Old 05-05-2009, 10:25 PM   #11
CSCSATCWRX
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Quote:
Originally Posted by Steve.804 View Post
vf48? If you're going to upgrade the turbo, UPGRADE the damn thing!! I dont mean set your sights for a GT35R, but anything smaller than a say a 18G is going to fall on it's face towards redline. Especially if you start getting more into drag racing. I vote TD0620G 8cm^2 and don't look back
There is truth to this... and I sometimes wish I had gone straight to a 8cm 20g, but, a vfxx is great bang for your buck.

BTW I'm trappin 110+ on my vf43 .
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Old 05-05-2009, 10:55 PM   #12
cucamelsmd15
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I think the best 1/4 I did with my WRX was 104 or 105, but that was with a high 1.6x 60ft. If you could knock your 60ft down, that would have easily been a low 13 pass.
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Old 05-05-2009, 11:01 PM   #13
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Nice times and that torque is sweet!
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Old 05-05-2009, 11:55 PM   #14
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Quote:
Originally Posted by Tucker587 View Post
I am starting to think i didnt trap 100mph because I shifted at about 5750-6000
not so much the problem here buuuut... put your stock intake back on and run it again. guaranteed +3 mph at the trap. you got protuned without the intake, why put it on afterward? no matter what, it won't run as well, especially in the 07.. either way, not too bad at all.. my buddy went 13.85 @ 100 with his stg2 protuned 03 wrx with just about the same mods..


as for the new turbo.. shift easy with a gt30r until you do ppgs
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Old 05-06-2009, 12:06 AM   #15
Tucker587
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From what I understand the K&N should not effect my tune in any way. I data logged for a while and watched AFR's and they were as consistent as they were without it on. Props to K&N for a great product. None the less, I do agree maybe without it on I couldve posted better times, but w/ a retune there is not much more to be made with the short ram on, but ill never know now since my next retune will not only be including a short ram!
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Old 05-06-2009, 12:46 AM   #16
Bullwinkle1983
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Doesn't really matter if you're "tuned" for it or not, the short ram will almost 100% lose power, especially on the drag strip were you're sitting still for periods of time.

Virtually every short ram intake I've seen has increased intake temps by 20-30 degrees. Cold air makes more power, so even if the intake increases flow a touch, that will be negated and then some by the hotter intake charge.

Unless you're in love with the sound the intake makes and comfortable with losing power, put your stock airbox back on.

Regardless, good times for your first run at the track .
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Old 05-06-2009, 07:21 AM   #17
CSCSATCWRX
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Quote:
Originally Posted by smokey07 View Post
not so much the problem here buuuut... put your stock intake back on and run it again. guaranteed +3 mph at the trap. you got protuned without the intake, why put it on afterward? no matter what, it won't run as well, especially in the 07..
hahahah +3 mph by goin back to the stock intake... intake temps are most likely higher but hopefully he has the heat sheild, which really does help. And like he said the K&N is proven to run fine without being tuned for it.
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Old 05-06-2009, 10:34 AM   #18
Tucker587
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Like Jorge always said to me, thats what you have an "intercooler" for. Sure, from data logging I also realize that my intake temps soar when sitting at idle, but thats what cool down periods are for, it's not like I ran my car back to back. And yes I do have the heatshield included.
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Old 05-06-2009, 11:24 AM   #19
Tucker587
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If anybody knows by experience or rumor, I would love to know the limitations of the stock catback. Its more or less my goal to achieve max whp while having the comfort of a not so loud boxer engine! Nowadays you cant pass a WRX or STI without being deafened by the loud exhaust they most likely have, so my sick experiment is to never replace the exhaust until I absolutely have to.
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Old 05-06-2009, 01:52 PM   #20
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Quote:
Originally Posted by Tucker587 View Post
If anybody knows by experience or rumor, I would love to know the limitations of the stock catback. Its more or less my goal to achieve max whp while having the comfort of a not so loud boxer engine! Nowadays you cant pass a WRX or STI without being deafened by the loud exhaust they most likely have, so my sick experiment is to never replace the exhaust until I absolutely have to.
That is exactly what I am trying to do with my '05.

I drove around a '94 Z28 for six years with long tubes and 3" dual exhaust with cutouts, and to say it was loud would be an understatement. I love that fact that at stoplights, I sometimes forget that my WRX is running.
Stock catback 4Life!
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Old 05-06-2009, 05:42 PM   #21
cucamelsmd15
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Quote:
Originally Posted by Tucker587 View Post
If anybody knows by experience or rumor, I would love to know the limitations of the stock catback. Its more or less my goal to achieve max whp while having the comfort of a not so loud boxer engine! Nowadays you cant pass a WRX or STI without being deafened by the loud exhaust they most likely have, so my sick experiment is to never replace the exhaust until I absolutely have to.
Stock WRX catback?

Just for comparison, try putting a garden hose nozzle on your leaf blower. Youll get the idea.
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