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Old 10-13-2012, 01:00 PM   #1
nattywrx
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Default 1st time at the track opinions!!

So I went to the track last night for the first time. I've owned my wrx for the past 2 years and never really launched it hard until last night.

I'll try to break it down as simple as I can. For me things are just not adding up.

My car: 02 wrx, stock ej20 and tranny.

Mods:
Blouch 16G-XT
E85
DW 850cc injectors
Perrin inlet
AEM intake
Sti TMIC
Turboback exhaust
Uppipe
Hybrid boost control setup
-Protuned

60FT: 2.15
1/4 mile ET: 14.2
Trap speed:102

I was racing with almost a full tank of gas. Don't know how much of a difference that was and the car was still slightly heatsoaked from the drive to the track.

Does my trap speed seem kind of right? Can anyone give some insight on how to improve times and maybe what I should be running?

Even for my first time I was expecting at least like mid 13's. I'm almost tempted to throw on a fmic or something else just to get less heatsoak and add a bit more power.

Anyways I'm a bit dissapointed overall. I expected a lot better.

Any insight would be greatly appreciated. Thanks.

Thanks. -natty

http://www.youtube.com/watch?v=7WK_r...ature=youtu.be
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Last edited by nattywrx; 10-14-2012 at 06:02 PM.
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Old 10-13-2012, 01:05 PM   #2
C J
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Get that 60ft time down and it will run mid 13s.

Are you using any kind of launch control?
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Old 10-13-2012, 01:06 PM   #3
nattywrx
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Quote:
Originally Posted by C J View Post
Get that 60ft time down and it will run mid 13s.

Are you using any kind of launch control?
Nope, no kind of launch control. Just tried blipping the throttle. What 60fts should I be aiming for and realistic?
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Old 10-13-2012, 01:11 PM   #4
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1.8 would be a decent 60'. You should be in the 12s trapping over 105mph. Are you letting off through the traps? The track calculates trap speed a little bit after the finish line. Is this in Bradenton?

Next time buy a bag of ice and plop it on a towel over your intercooler. Let the car sit in the pits for at least 30 minutes like this.
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Old 10-13-2012, 01:25 PM   #5
nattywrx
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Originally Posted by FraudulentNeon View Post
1.8 would be a decent 60'. You should be in the 12s trapping over 105mph. Are you letting off through the traps? The track calculates trap speed a little bit after the finish line. Is this in Bradenton?

Next time buy a bag of ice and plop it on a towel over your intercooler. Let the car sit in the pits for at least 30 minutes like this.
I actually was icing my intercooler for a bit but not long enough since they called my lane up so I had to remove it and go. I'm not sure if I was letting off through the traps I may have been.

No this was not in bradenton although I will be there racing in about 3 weeks for the euro event fixxfest. I was running at palm beach international in jupiter also known as moroso.

I'm thinking about going out wednesday and giving it another shot. Last night there were way too many cars there since there was a big event going on. Usually wednesdays theres no one out there and I can stay focused and calm.
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Old 10-13-2012, 01:32 PM   #6
meatNcheese
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what rpm are you trying to get off the line at? also how are you launching, are you dropping the clutch or slipping?
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Old 10-13-2012, 01:33 PM   #7
C J
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I never saw much of a difference icing the intercooler when I had a TMIC. Get the 60' down and you will run where you want.

back in the days before I had LC I was blipping the throttle and cutting 1.7s pretty consistently in a stockish STi so it can be done.
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Old 10-13-2012, 07:07 PM   #8
Boosted Tuning
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Seems like there may be something wrong with your car.

I have a client with a bug eye w/ 16G and on E85 he makes 370hp (dynojet). 370hp should trap about 116 -/+ 1. Your car is trapping only 102. Thats what a stock STI traps.

You should be making at least 330-350hp and should be trapping 110+, regardless of ET.
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Old 10-13-2012, 08:32 PM   #9
nattywrx
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Originally Posted by Boosted Tuning View Post
Seems like there may be something wrong with your car.

I have a client with a bug eye w/ 16G and on E85 he makes 370hp (dynojet). 370hp should trap about 116 -/+ 1. Your car is trapping only 102. Thats what a stock STI traps.

You should be making at least 330-350hp and should be trapping 110+, regardless of ET.
Well what could possibly be wrong? The car feels solid as is. Maybe I should do a leakdown and compression test see if the motor is starting to give out?
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Old 10-13-2012, 08:47 PM   #10
nattywrx
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Quote:
Originally Posted by Boosted Tuning View Post
Seems like there may be something wrong with your car.

I have a client with a bug eye w/ 16G and on E85 he makes 370hp (dynojet). 370hp should trap about 116 -/+ 1. Your car is trapping only 102. Thats what a stock STI traps.

You should be making at least 330-350hp and should be trapping 110+, regardless of ET.
I was revving it out to 7k every time pretty much. Maybe I should try shifting at 6k and see where that gets me.
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Old 10-14-2012, 01:20 AM   #11
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Quote:
Originally Posted by Boosted Tuning
Seems like there may be something wrong with your car.

I have a client with a bug eye w/ 16G and on E85 he makes 370hp (dynojet). 370hp should trap about 116 -/+ 1. Your car is trapping only 102. Thats what a stock STI traps.

You should be making at least 330-350hp and should be trapping 110+, regardless of ET.
I think your highly underestimateing what the e85 is doing for your clients car. I don't doubt he runs what you said, but on todays 93 pump he will not trap over 110 w/o some other power adder, race gas or meth on a 16g sized turbo, just doesn't happen especially with an ej205.

You should be shooting for upper 12s and in the 105-108 mph area. I ran a 16g on my 05 for a while, and with low 1.8 short times and cooler weather would run 12.6-12.8s in the 107-108 mph area. I never had launch control back then and would launch blipping the throttle between 5 and 6k slipping a hair and letting loose. I also had the rev limiter lifted a tad and shifted at 7200 in every gear and shifted as close to a flat foot shift as I could w/o actually doing it.

I'd say go back and try some more before you start looking into problems. My car ran the above times with 266/233 whp/wtq on a low reader dynodynamics which was approximately 310whp on a known high reading dynojet.

keep us posted and good luck

Trey
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Old 10-14-2012, 12:34 PM   #12
nattywrx
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Originally Posted by treystoys View Post
I think your highly underestimateing what the e85 is doing for your clients car. I don't doubt he runs what you said, but on todays 93 pump he will not trap over 110 w/o some other power adder, race gas or meth on a 16g sized turbo, just doesn't happen especially with an ej205.

You should be shooting for upper 12s and in the 105-108 mph area. I ran a 16g on my 05 for a while, and with low 1.8 short times and cooler weather would run 12.6-12.8s in the 107-108 mph area. I never had launch control back then and would launch blipping the throttle between 5 and 6k slipping a hair and letting loose. I also had the rev limiter lifted a tad and shifted at 7200 in every gear and shifted as close to a flat foot shift as I could w/o actually doing it.

I'd say go back and try some more before you start looking into problems. My car ran the above times with 266/233 whp/wtq on a low reader dynodynamics which was approximately 310whp on a known high reading dynojet.

keep us posted and good luck

Trey
Yeah looking back on the video that my buddy made of me running, my launch was terrible I bogged down and my 1-2 literally took like a whole second as well as almost y 2-3 and 3-4. I realized I definitely have to be faster with my shifts. Looking back on the video its very noticeable that I was shifting extremely slow.

I feel next time at the track I will do a lot better. Thanks guys.
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Old 10-14-2012, 01:56 PM   #13
Boosted Tuning
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Quote:
Originally Posted by treystoys View Post
I think your highly underestimateing what the e85 is doing for your clients car. I don't doubt he runs what you said, but on todays 93 pump he will not trap over 110 w/o some other power adder, race gas or meth on a 16g sized turbo, just doesn't happen especially with an ej205.

You should be shooting for upper 12s and in the 105-108 mph area. I ran a 16g on my 05 for a while, and with low 1.8 short times and cooler weather would run 12.6-12.8s in the 107-108 mph area. I never had launch control back then and would launch blipping the throttle between 5 and 6k slipping a hair and letting loose. I also had the rev limiter lifted a tad and shifted at 7200 in every gear and shifted as close to a flat foot shift as I could w/o actually doing it.

I'd say go back and try some more before you start looking into problems. My car ran the above times with 266/233 whp/wtq on a low reader dynodynamics which was approximately 310whp on a known high reading dynojet.

keep us posted and good luck

Trey
The OPs car is on E85. Its not on 93 pump.

And something is definitely wrong with the OPs car. With a 16G and E85, he should be trapping at least 110+, at the very minimum.
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Old 10-14-2012, 02:26 PM   #14
nattywrx
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Originally Posted by Boosted Tuning View Post
The OPs car is on E85. Its not on 93 pump.

And something is definitely wrong with the OPs car. With a 16G and E85, he should be trapping at least 110+, at the very minimum.
Looking back at the video my launch was completely terrible, I bogged down and each of my shifts were literally like a second in between. I will go back to the track and practice more. I think with a good launch and fast shifts I'll be trapping up there and pulling some better times. I was all over the place that night

I was trapping 103, 100, 99, and times varying from 16.1 to 15.7 to 14.7 to 14.1 which was my best time with a 60 foot of like 2.2ish or so.

I know i can do better.
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Old 10-14-2012, 02:34 PM   #15
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Originally Posted by nattywrx View Post
Looking back at the video my launch was completely terrible, I bogged down and each of my shifts were literally like a second in between. I will go back to the track and practice more. I think with a good launch and fast shifts I'll be trapping up there and pulling some better times. I was all over the place that night

I was trapping 103, 100, 99, and times varying from 16.1 to 15.7 to 14.7 to 14.1 which was my best time with a 60 foot of like 2.2ish or so.

I know i can do better.
Usually the trap is not affected by the launch much. Even with a horrible launch and grandma shifting, this car should trap be trapping 107+, EASY. Your trap speed is a reflection of power. Your ET is a reflection of driving skill.

I would do a boost leak test, comp test and check a couple logs. This car seem way down on power.
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Old 10-14-2012, 03:27 PM   #16
nattywrx
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Quote:
Originally Posted by Boosted Tuning View Post
Usually the trap is not affected by the launch much. Even with a horrible launch and grandma shifting, this car should trap be trapping 107+, EASY. Your trap speed is a reflection of power. Your ET is a reflection of driving skill.

I would do a boost leak test, comp test and check a couple logs. This car seem way down on power.
Yeah but waiting 2 seconds to shift from 1st to second will not get me up to speed fast enough. My tuner is coming back down in about 3 weeks and I'm going to have him do some logs and maybe a touch up tune and get his opinion.

I think the car is fine to be honest. Feels about the same as when I got tuned and everything was solid then.
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Old 10-14-2012, 03:28 PM   #17
nattywrx
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I pretty much like missed 2nd gear sinc i waited so long to shift into 2nd and that will definitely reflect trap speed.
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Old 10-14-2012, 04:03 PM   #18
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Originally Posted by nattywrx View Post
I think the car is fine to be honest. Feels about the same as when I got tuned and everything was solid then.
Ok. But your 102 trap says otherwise.

For comparison, I have a client with a bug eye w/ VF39 (smaller turbo) on 91oct (worst gas), and he traps 105 and runs 12.9.

Last edited by Boosted Tuning; 10-14-2012 at 04:12 PM.
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Old 10-14-2012, 05:17 PM   #19
nattywrx
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I'm going to upload the video
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Old 10-14-2012, 05:37 PM   #20
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Old 10-14-2012, 05:37 PM   #21
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uploaded the video

Last edited by nattywrx; 10-14-2012 at 06:02 PM.
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Old 10-14-2012, 07:03 PM   #22
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Quote:
Originally Posted by Boosted Tuning View Post
Usually the trap is not affected by the launch much. Even with a horrible launch and grandma shifting, this car should trap be trapping 107+, EASY. Your trap speed is a reflection of power. Your ET is a reflection of driving skill.

I would do a boost leak test, comp test and check a couple logs. This car seem way down on power.
I am trapping 102 with a 2012 sti stg 2...i feel like the launch has to have something to do with this (soft on purpose not horrible bog and in my case traction control)

i would not write off that its not all driver if you watch the video he shifts very slow ...i can't see how that would not hurt you by a couple mph
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Old 10-14-2012, 07:46 PM   #23
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Lol...I'm an idiot, missed the e85 part. I still stand by the idea of having some more time under the belt before calling "problems" Go back and beat on it a little harder, faster shifts will make huge improvements.

Trey
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Old 10-14-2012, 07:47 PM   #24
Boosted Tuning
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Originally Posted by Shortpersonbk View Post
I am trapping 102 with a 2012 sti stg 2...i feel like the launch has to have something to do with this (soft on purpose not horrible bog and in my case traction control)

i would not write off that its not all driver if you watch the video he shifts very slow ...i can't see how that would not hurt you by a couple mph
Okay, lets say he is the worst driver in the world (hopefully no offense taken, OP). Thats gonna greatly affect your ET, of course, but like you said, his lack of driving skill could also be hurting him by a couple mph. So least say its hurting him by 5mph, he is still only trapping 107-108. His set up should EASILY trap 110+, more like 112-116.

Maybe its the driving, maybe its the car. Its easy to figure out. He can either go back to the track and try again. He may do better, then well have a better idea of his trap. Or he can learning view or log the car, if nothing sticks out there, check boost leak and comp test. Both options are easy to do. Just seems like most people would wanna start checking it now and find out whats going on, then wait a week or two to get back to the track.

Regardless of what the OP's problem is, I wish him luck.

Last edited by Boosted Tuning; 10-14-2012 at 08:35 PM. Reason: grammar
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Old 10-14-2012, 08:21 PM   #25
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Quote:
Originally Posted by meatNcheese
what rpm are you trying to get off the line at? also how are you launching, are you dropping the clutch or slipping?
I want to know this as well
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