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Old 03-20-2001, 07:09 AM   #1
metoo
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Post 13.99 possible with a stock WRX....I think so. Do you?

I ran my WRX this past weekend in Baytown. I only had it for 26 hours [no lectures please]. I only did 2 runs. The first was my deflowering (first time ever in any car) drag run. The time was something like 15.7. I didn't know when or how to go to get a good time. I got some tips from the guys for the second run. Being uneasy about revving my new machine, I came off the clutch around 2600 rpm (+ or -). Never letting it redline, I logged a 14.61 run.

In drag racing, making up .6 secounds takes a lot of work, but that's only if you are comparing personal best times after a good bit of track hours. In that case, the car is your limiting factor. I only had 2 runs...EVER. The biggest limiting factor is me.

The next time I go, my car will be broken in, I will know how to drive my car better, I'll let off the clutch at a higher RPM and it will be about 65 pounds lighter. [It would be 80 pounds lighter, but I will have amps in the car by then, that will be difficult to remove.] Then it is only a matter of reaction time. I believe 13.99 is doable, stock.
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Old 03-20-2001, 07:15 AM   #2
ExchangeGuy
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I don't think so man. You might get maybe .1 to .2 better broken in but that's it. it takes about 50hp to 100HP to get even .5 better times. I'm not real sure about those numbers...anyone?
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Old 03-20-2001, 07:42 AM   #3
scoobiejosh
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EXGuy: it dosent take 50-100 h.p. to make that much of a change in the 12-15 second area. It does take that much to make a diffrence if you are running 11's or faster. It gets harder as you go faster, to go faster. I think it is possible with a awsome launch and a skinny driver.....possibly.....maybe.

Josh
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Old 03-20-2001, 07:57 AM   #4
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Thanks man for clearing that up, I wasn't clear on that....
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Old 03-20-2001, 08:05 AM   #5
scoobiejosh
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N/P, i have been drag racing for years. We all gotta learn.
metoo: your kinda skirting the "stock" line by lightning it. Some one will use it as a cop-out to discredit you.

I hope you make it, throw it in all the guys who are "disapointed" in the WRX. Good luck

Josh

[This message has been edited by scoobiejosh (edited March 20, 2001).]
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Old 03-20-2001, 09:30 AM   #6
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I think it can be done with a stock WRX but with really stick tires, the spare/jack taken out of the trunk on a really cool day and driving the car like you hate it. That would be the only way. You would need a really hard launch and you would have to demolish the stock clutch. The launch is the most critical factor....because after that even a monkey can point straight and shift. Concentrate hard on the 60' times and getting out of the hole. There is at least half a second to be found there for a newbie. Also, some cars reach the 3-4 shift point right around the 1/4 mark....in a Mustang you will actually do better hitting the revlimiter a couple times and not shifting to 4th because of the time it takes...our cars are geared pretty low so you might want to go ahead and hit 4th (is the WRX gearing similar to RS? ). GOOD LUCK!
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Old 03-20-2001, 09:31 AM   #7
metoo
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You didn't read what I said carefully. You have to consider the conditions of my runs.

If I were to have run many times (20 or 30) and the best time, I could get is 14.5, this means I’ve done my physical/mental best and CAR CHANGES have to be made. This is not the case. I dropped over 1.0 second between my 1st and 2nd run without any added HP. Why can’t I drop another .6 ? If I somehow luckily did the best I could physically/mentally do. Then you are correct,…..sort of.

Remember this. Dropping weight is just as good as (or better than) adding horsepower when it comes to improving acceleration. Pick-up any college course Dynamics book to understand the relationship. Until then, think about this. With the horsepower-to weight ratio being identical, a sport bike (90/600) will beat a car (450/3000) in the quarter.

Thus, by my dropping a little weight and gaining experience, the car will accelerate much better……much better than .2 seconds. Don’t forget that I’ve never dragged before and I’ve never owned a Subby or AWD car before.

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Old 03-20-2001, 09:32 AM   #8
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i don't think a 13.99 will be atainable with 227hp and awd.. .6 is a large amount in the 14 area... a 14.6 is really good esspecially your first times out and your hitten magazine numbers.. but you will find that your times are just gonna stick around that area +- .2.. you should get in the 13's with boost controler exhaust and down pipe.. but i beleve the wrx is full ecu controlled boost.. so you'll need the chip.. you could have a good sleeper if you don't do anything crazy..


remember a 3rd gen rx7 only runs 14's stock and it has 255hp(240 to wheels only 15hp drivetrain loss!!!) and weighs 2700 pounds..
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Old 03-20-2001, 09:42 AM   #9
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My last comment was in response to ExchangeGuy

As to Ucmego, I don’t know about the gearing comparison of RS vs WRX. The first run I made, I used 4th, but shouldn’t have. Actually, I shifted early the whole ¼ mile. The RS guys told me not to leave third and wait to shift beyond 6000 rpm. I hit the finish line at around 85-88 mph (the ticket said 29 mph…WRONG) with plenty of revs to go in 3rd (if I recall correctly). Sure, better tires would hook-up better with a higher torque start, but I barely made a sound on take-off, which means, I didn’t rev very high. With higher revs and sticker tires, I’m more than sure the 60’s will be nice. But I want to prove (mostly to myself) that a purely off-the-lot stock car (minus spare tire) can do the job.
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Old 03-20-2001, 10:02 AM   #10
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PlaRp: A stock 3rd gen 7 is capableof 13.6 stock.

Josh
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Old 03-20-2001, 10:26 AM   #11
UCmego
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Metoo, I understand completely that you want a bone stock car to run a 13.9 just to prove that it can be done. I would like to see it too....but I didn't suggest anything that would make the car other than stock. It is perfectly reasonable to change the tires since the stockers are terrible. The car is still stock right? And losing the spare/jack doesn't make the car anything other than stock. Heck, I don't ever drive with my spare/jack unless I am making a trip somewhere farther than 30 miles..no point. I have plenty of people to call if my tire blows and I like the car to always be light as possible around town because I never know what I'll get into One other thing you want to do is get to the track with little more than 1/8th of a tank of gas for more weight reduction.
If you are trying to show yourself that the car can do a 13.9 on stock tires, full tank of gas, spare/jack, 3 of your friends, and a few suitcases in the trunk...well, you bought the wrong car. Look into an M5. Seriously though, you should target using a REALISTIC setup (ie its ok not to have a full tank or a spare in the car) and get as much out of the car as possible. If you end up running a 13.8 or so then you start adding things back (like the spare) and see what you can still achieve. Basically, run it like you would want to run it against some Mustang on the street. You would want the car to be setup for the fastest configuration possible...that is how I drive around *just in case*
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Old 03-20-2001, 11:09 AM   #12
Andre Vandenberg
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Not that I am a BIG Drag Queen but I certainly think a stock WRX can run sub 14 sec 1/4's.... but a lot depends on the experience of the driver. Like you implied.
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Old 03-20-2001, 11:57 AM   #13
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metoo I watched you run . a couple more trips down the track, and a 4500rpm launch would get you a 13.99 or close. you need to find out at what rpm your horse power starts
to level off and base that on your shift points.gotta go kido getting sick
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Old 03-20-2001, 04:34 PM   #14
AndresRS01
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Metoo:

I seriously think you can run low 13's even closer to 13.9, but you have to wait a few more miles and use smaller diameter tires to reduce your gear ratio, maybe some 205/45-16.
Also better exhaust, but only with the tires I'm sure you'll get close.
You have to because after this coming weekend I espect to run 14.3's , remember I already ran 14.6 too.

Andres
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Old 03-21-2001, 12:10 AM   #15
couldnthinkaone
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metoo:
i know you haven't met me yet, but, let me drive that bad-boy and i GUARANTEE a 13 second run! although, i have been dragracing for some time now...10 yrs...

scott

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Old 03-21-2001, 12:11 AM   #16
ExchangeGuy
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Just call "BR-549"
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Old 03-21-2001, 12:12 AM   #17
metoo
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UCmego-

Yep, doing all those thingd you mentioned is were I got the 60-pound weight-loss figure from (less gas [8.34 lbs per gallon], less windshield wiper fluid, no spare, no jack, no steering wheel club, no house keys, no Kleenex).

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