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Old 06-14-2009, 06:59 PM   #1
Skiracer8148
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Default Went to the track today how do my times look?

my car is 04 wrx,stage 2 tuned by mike at innovative in buffalo NY
-gutted up pipe
-walbro 255
-catless downpipe
-sti catback
-k&n drop in filter
-MBC set at 17.5 psi

heres my slip
reaction-.5809
60ft-1.9382
ET @ 594 ft-8.4031
1/8th ET-8.9761
1/8th mph-78.54
1/4 ET-14.148
1/4 mph-93.21

i ran my car about 6 times today about and the last 4 times i ran 14.1
next time i go to the track im gonna
-take off the axle back
-have better tires,not all seasons
-install a turbo heat shield

i would say it was around 95 degrees out today and i know turbo cars dont like hot air,ive seen people with similiar setups run low 13"s so idk
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Old 06-14-2009, 07:13 PM   #2
mattymx
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Not bad but could be a little better. Here is mine from Friday night... Yimi tuned stage2 with catless DP. everything else stock on my 2008 sedan...


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Old 06-14-2009, 07:14 PM   #3
pooster.online
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he only has the 2.0 so not exactly an apples to apples comparison.
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Old 06-14-2009, 07:19 PM   #4
mattymx
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Quote:
Originally Posted by pooster.online View Post
he only has the 2.0 so not exactly an apples to apples comparison.

True.. never said it was apples, but just giving a little feedback. But with his mods, he should be a little faster on the big end on MPH.
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Old 06-14-2009, 07:38 PM   #5
renosubby
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get that 60 ft down and you could be at 13.5's
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Old 06-14-2009, 07:51 PM   #6
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you should be able to hit mid 13's with decent driving. not a bad start though. practice makes perfect.
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Old 06-14-2009, 07:59 PM   #7
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Is that trap speed about what is to be expected from a stage 2?
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Old 06-14-2009, 08:12 PM   #8
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Quote:
Originally Posted by mattymx View Post
True.. never said it was apples, but just giving a little feedback. But with his mods, he should be a little faster on the big end on MPH.
Your 'feedback' is misleading. You have a COMPLETELY different car, with a different motor and larger turbo. I know you're trying to help, but that's not helping.


To the OP- something is not right with your trap speed. You should be trapping at LEAST 100mph unless you're at altitude. So either you're not making the power you COULD be making, or you need to practice shifting better.

Also, at what RPM do you shift, and in which gears?

Your 60ft leaves room for improvement, but it's about where I'd expect for someone kinda new to drag racing . If you pulled a 1.80 60ft, which is well within the realm of possibility with a little practice, that alone would get you into the high 13s. Then, with whatever needed to pick up that trap speed, you would have a solid low-mid 13 second car
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Old 06-14-2009, 08:49 PM   #9
Shayhan27
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Yea your 60ft is a little hight.

I launch really conservativly like between 3k and 3500 rpm, and I still manage to pull 1.7's so you can cut a bunch of time there
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Old 06-14-2009, 08:54 PM   #10
V6TurboTA
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Quote:
Originally Posted by Audiosavvy View Post
Your 'feedback' is misleading. You have a COMPLETELY different car, with a different motor and larger turbo. I know you're trying to help, but that's not helping.


To the OP- something is not right with your trap speed. You should be trapping at LEAST 100mph unless you're at altitude. So either you're not making the power you COULD be making, or you need to practice shifting better.

Also, at what RPM do you shift, and in which gears?

Your 60ft leaves room for improvement, but it's about where I'd expect for someone kinda new to drag racing . If you pulled a 1.80 60ft, which is well within the realm of possibility with a little practice, that alone would get you into the high 13s. Then, with whatever needed to pick up that trap speed, you would have a solid low-mid 13 second car
bing0

I would start toying around with your boost and shifting rpm.
I would try shifting at 6500 and I would try LOWERING the boost, or running a touch of race gas
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Old 06-14-2009, 08:55 PM   #11
renosubby
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Quote:
Originally Posted by Audiosavvy View Post
Your 'feedback' is misleading. You have a COMPLETELY different car, with a different motor and larger turbo. I know you're trying to help, but that's not helping.


To the OP- something is not right with your trap speed. You should be trapping at LEAST 100mph unless you're at altitude. So either you're not making the power you COULD be making, or you need to practice shifting better.

Also, at what RPM do you shift, and in which gears?

Your 60ft leaves room for improvement, but it's about where I'd expect for someone kinda new to drag racing . If you pulled a 1.80 60ft, which is well within the realm of possibility with a little practice, that alone would get you into the high 13s. Then, with whatever needed to pick up that trap speed, you would have a solid low-mid 13 second car
^^^ Agreed. Overlooked the Trap... Do you have a dyno graph or do you remember what your #'s were?
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Old 06-14-2009, 08:59 PM   #12
penusai
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just to give you a reference...

Englishtown, NJ.

2002 WRX 5spd
stock clutch/motor
f/r sway bars
f/r strut bars
gt-spec headers/up-pipe
Invidia catless DP
HKS Hi-Power
Spearco TMIC
Stock sized All season tires
Full weight
Full tank






Last edited by penusai; 06-14-2009 at 09:04 PM.
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Old 06-14-2009, 09:21 PM   #13
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Quote:
Originally Posted by Shayhan27 View Post
I launch really conservativly like between 3k and 3500 rpm, and I still manage to pull 1.7's so you can cut a bunch of time there
I don't believe for ONE SECOND that you're pulling 1.7s launching at 3k. And if you ARE launching that low, you're going to be replacing that clutch real soon, because that's a whole mess of clutch-riding, otherwise you'd be bogging bad. BAD.
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Old 06-14-2009, 09:32 PM   #14
jasv11
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Yes what are your shifting points (rpms)

I am not familiar with wrx uppipes but I think theres a cat in them, if you gutted the cat like you posted you did this leaves a large air turbulant area before the turbo.

I would definatly get a straight though uppipe for it....even a sti uppipe would be better.

If you go back to the track and take off the stock sti catback you will throw off the tune, ask Mike if this is a good idea or not.

also dont lower your boost or add race gas unless you are tuned for it.
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Old 06-14-2009, 09:35 PM   #15
Skiracer8148
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i was shifting at 6500,tried shifting at 6000 didnt notice a difference,
and yes i need to find out why my trap mph is so low,
i did not get a dyno graph or anything it was just a street tune,

now launching,i was launching at 6000 and running the clutch,i tried launching at 5000 once and i ran a 14.6,im new to this awd world and still learning,all the other subarus were launching low and babying off the line i thought there car was gonna stall,so idk
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Old 06-14-2009, 09:52 PM   #16
Audiosavvy
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Quote:
Originally Posted by jasv11 View Post
if you gutted the cat like you posted you did this leaves a large air turbulant area before the turbo..
This is not true. It's not as good as an aftermarket uppipe, but won't 'leave a large turbulent area'

Quote:
Originally Posted by jasv11 View Post
....even a sti uppipe would be better...
This is not true. An STi uppipe is pretty much the same thing, without the cat. If he's gutted his uppipe properly, it's virtually identical to the STi uppipe.

Quote:
Originally Posted by jasv11 View Post
If you go back to the track and take off the stock sti catback you will throw off the tune, ask Mike if this is a good idea or not..
That's not true. the catback will not adversely affect the tune. At high power levels the STi catback can be somewhat of a restriction, but at this point it really isn't making much difference.

Quote:
Originally Posted by jasv11 View Post
also dont add race gas unless you are tuned for it.
Adding race gas (unleaded) will NOT hurt a thing on his car. In fact, it will help. Not a whole lot, but a little. The ECU can compensate for a little bit of the higher octane, and so he should notice a slight improvement, but it certainly is not a detriment, nor does it HAVE to be tuned for.



Quote:
Originally Posted by Skiracer8148 View Post
i was shifting at 6500,tried shifting at 6000 didnt notice a difference,
and yes i need to find out why my trap mph is so low,
i did not get a dyno graph or anything it was just a street tune,

now launching,i was launching at 6000 and running the clutch,i tried launching at 5000 once and i ran a 14.6,im new to this awd world and still learning,all the other subarus were launching low and babying off the line i thought there car was gonna stall,so idk

In 1st gear I would shift at redline, in 2nd I would shift close to redline, and in 3rd I would shift at around 6200-6500.

As for the launch, are you smelling the clutch when you leave the line? If done properly, you should get a bit of wheelspin (even if only a chirp, it means you're in the right direction) and not smell any clutch. If you're smelling the clutch, you're coming up off it too slowly.

You don't ever want to DUMP the clutch, you want to pull your foot up and off of it quickly.

To narrow down the launch a bit more though... do you have launch control, or are you blipping the throttle? Also, do you come up off the clutch from the floor, or do you find the catch-point first? The catch-point is where the clutch starts to actually engage, which is a ways up the pedal travel. You want to find that point (not at the tree, you will red-light), and while you're staging keep the pedal JUST below that catch point. When you're ready to launch, come up slowly until you feel it just start to engage, then pull your foot up off the pedal quickly.

What that does is it takes the slack out of the drivetrain, to lessen the shockload, and also makes for smoother engagement. If you're doing it quickly enough, the tires should break loose just a tiny bit, and you should be off and moving in one quick, fluid motion, with really no jerking unless you spun the tires a bit too much and then they grabbed (which means you're coming up off the pedal too quickly).
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Old 06-14-2009, 10:09 PM   #17
Skiracer8148
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im not gonna touch the boost its tuned for what its set at,and i payed alot of money for that tune to undo it.

i was launching just like you describe,6000 is not tooo high? no launch control i just hold the throttle steady,100% sure i didnt smell clutch

only think i can think of for my trap speed is the fact that it was really hot out like 95
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Old 06-14-2009, 10:13 PM   #18
jasv11
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Quote:
Originally Posted by Audiosavvy View Post
This is not true. It's not as good as an aftermarket uppipe, but won't 'leave a large turbulent area'

Sorry i beg to differ, any change in the uppipe diameter through a opening up of the pipe inside will effect the flow of air negatively this has been proven on many types of cars and gutted cats over the years as a straight through pipe is best for performancewith no change of inside diameter



This is not true. An STi uppipe is pretty much the same thing, without the cat. If he's gutted his uppipe properly, it's virtually identical to the STi uppipe.

Like i said if the pipe diameter changes inside the pipe this is not as good as an sti uppipe but remember I have never seen what a wrx looks like as I said in my first post



That's not true. the catback will not adversely affect the tune. At high power levels the STi catback can be somewhat of a restriction, but at this point it really isn't making much difference.

I disagree and maybe a tuner can post up the effects of this



Adding race gas (unleaded) will NOT hurt a thing on his car. In fact, it will help. Not a whole lot, but a little. The ECU can compensate for a little bit of the higher octane, and so he should notice a slight improvement, but it certainly is not a detriment, nor does it HAVE to be tuned for.

adding race gas to a car not tuned for it will actually make less power this has also been proven many times,






In 1st gear I would shift at redline, in 2nd I would shift close to redline, and in 3rd I would shift at around 6200-6500.

Try savvy's method also try my method and that is to redline every shift to 7000 rpm and see how that works for comparison(yes on paper it doesnt work but in real life it does.....trust me)

As for the launch, are you smelling the clutch when you leave the line? If done properly, you should get a bit of wheelspin (even if only a chirp, it means you're in the right direction) and not smell any clutch. If you're smelling the clutch, you're coming up off it too slowly.

You don't ever want to DUMP the clutch, you want to pull your foot up and off of it quickly.

To narrow down the launch a bit more though... do you have launch control, or are you blipping the throttle? Also, do you come up off the clutch from the floor, or do you find the catch-point first? The catch-point is where the clutch starts to actually engage, which is a ways up the pedal travel. You want to find that point (not at the tree, you will red-light), and while you're staging keep the pedal JUST below that catch point. When you're ready to launch, come up slowly until you feel it just start to engage, then pull your foot up off the pedal quickly.

What that does is it takes the slack out of the drivetrain, to lessen the shockload, and also makes for smoother engagement. If you're doing it quickly enough, the tires should break loose just a tiny bit, and you should be off and moving in one quick, fluid motion, with really no jerking unless you spun the tires a bit too much and then they grabbed (which means you're coming up off the pedal too quickly).
added in post
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Old 06-14-2009, 10:14 PM   #19
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Holding the throttle steady is not ideal. You want to blip the throttle, because it gets the turbo spooling a little. If you're holding the throttle stead, it's in deep vacuum, and you leave with less grunt.

6k is a bit high for a launch, but is by no means part of the problem.
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Old 06-14-2009, 10:17 PM   #20
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Quote:
Originally Posted by jasv11 View Post
added in post

I'm going to politely disagree with your 'rebuttals' but really we're kinda splitting hairs, because none of any of that stuff will have a large impact on the problem at hand .

I agree with you on the uppipe part, the part I was disagreeing with was about the STi uppipe being better, when it really isn't better than a well-gutted WRX pipe....
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Old 06-14-2009, 10:23 PM   #21
jasv11
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Quote:
Originally Posted by Skiracer8148 View Post
i was shifting at 6500,tried shifting at 6000 didnt notice a difference,
and yes i need to find out why my trap mph is so low,
i did not get a dyno graph or anything it was just a street tune,

now launching,i was launching at 6000 and running the clutch,i tried launching at 5000 once and i ran a 14.6,im new to this awd world and still learning,all the other subarus were launching low and babying off the line i thought there car was gonna stall,so idk
My personal experiance is to shift all gears at 7000 rpm try it next time you go to the track and see what it does.

I launched my stock turbo sti at 5500 rpm and that worked for me 6000 seems a bit high but if it worked for you then keep doing it as long as you have no wheel hop and no smell from the clutch.
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Old 06-14-2009, 10:38 PM   #22
Audiosavvy
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Quote:
Originally Posted by jasv11 View Post
My personal experiance is to shift all gears at 7000 rpm try it next time you go to the track and see what it does.

I launched my stock turbo sti at 5500 rpm and that worked for me 6000 seems a bit high but if it worked for you then keep doing it as long as you have no wheel hop and no smell from the clutch.

Keep in mind that he's in a 2.0 WRX with a TD04, not an STi/VF39
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Old 06-15-2009, 12:03 AM   #23
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that trap is a Stock WRX territory. Are you at 5,000 ft elevation?

I consistently ran 91-93, in a completely stock 02 WRX. You should be knocking on at least a 100 mph trap speed with a mild tuned stage 2 wrx.

I'm tuned at 16psi now (stage 2) with a consistent 100-101 trap.

btw stop blaming the 60ft for a bad time. I ran a 1.897 60ft with my best 13.49 at 100.5. He has a dece nt/good 60ft not too much off from mine, where I ran 13.49...

That trap is terrible, something wrong.
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Old 06-15-2009, 01:14 AM   #24
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mike tunes well, something else is up
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Old 06-15-2009, 01:16 AM   #25
V6TurboTA
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double post... moved to next page for added effect

Last edited by V6TurboTA; 06-15-2009 at 01:27 AM.
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