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How do you launch a C5 A4 ??

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Old Mar 15, 2007 | 03:59 PM
  #21  
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Why are you guys recommending putting it in 3 instead of just leaving it in D? It doesn't even shift into 4th anyhow, so it really shouldn't make a difference in the times either way. But I would rather have it in D so that at the end of the run when I let off the gas it shifts to 4th and the revs aren't too high.
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Old Mar 15, 2007 | 04:02 PM
  #22  
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Originally Posted by 1965imp
Leave the traction control on ( you don't want any wheel hop ) Leave it in "D" and slam the peddle to the floor from idle on the last yellow.

You don't want traction control on because if you start getting a slight bit of spin then the car will slow down too much. It's actually better that you get a slight hint of wheelspin anyhow, I've found the engine bogs too much if the tires hook too hard. (at least with my setup being so close to stock and with stock convertor/gears)
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Old Mar 15, 2007 | 04:06 PM
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Originally Posted by chaase
Very similar setup to mine, except I use the Mickey Thompson DR's. I get little to no tire spin off the line launching below 1500rpm.
Hey Chris, you crazy racer, I knew all along that you are a regular Cruz Pedregon! You are using the 17" MT tire?
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Old Mar 15, 2007 | 05:10 PM
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Originally Posted by Patman
Why are you guys recommending putting it in 3 instead of just leaving it in D? It doesn't even shift into 4th anyhow, so it really shouldn't make a difference in the times either way. But I would rather have it in D so that at the end of the run when I let off the gas it shifts to 4th and the revs aren't too high.
I think it is more of an issue when racing. If for some reason you need to let off for a second you don't want the car dropping into fourth and having to go down two gears on the reacceleration.

I was told to keep it in 3rd and have never had a problem with it there. I can put it in 4th at the end or leave it in 3rd to help the braking on the tracks with the shorter run off.
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Old Mar 15, 2007 | 05:11 PM
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Originally Posted by Pewtavert
Hey Chris, you crazy racer, I knew all along that you are a regular Cruz Pedregon! You are using the 17" MT tire?
thanks for the complements..Yes.. I use the 17". They don't make them in 18's and at the time the MT 17"s were considered superior to all others.
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Old Mar 15, 2007 | 06:40 PM
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Originally Posted by Patman
Why are you guys recommending putting it in 3 instead of just leaving it in D? It doesn't even shift into 4th anyhow, so it really shouldn't make a difference in the times either way. But I would rather have it in D so that at the end of the run when I let off the gas it shifts to 4th and the revs aren't too high.

It's been reported (though I dont' know if ever confirmed) that the A4 WOT shifts will be 200 to 300 RPM higher with the tranny in "3" than in "4".
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Old Mar 15, 2007 | 07:00 PM
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Would it be OK if I put the car in neutral rev it to about 6 grand and then drop it into 3'rd?
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Old Mar 15, 2007 | 08:03 PM
  #28  
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Originally Posted by Mike Mercury
It's been reported (though I dont' know if ever confirmed) that the A4 WOT shifts will be 200 to 300 RPM higher with the tranny in "3" than in "4".
When I first got my car and it had the stock tuning I tried doing a few runs in 3rd compared to 4th and I'm pretty sure it shifted at the same point either way.

I've had it dyno tuned since then though, and the first thing I asked them to do was to raise all the shift points to 6100rpm. The stock shift points are way too low (I noticed the 1-2 shift would happen at only 5500) Another thing they did was to speed up the time it takes for the trans to actually throw the shift. With the stock programming there is a bit of a delay, but now it goes into the next gear super fast. (this isn't the shift "firmness" though, this is something completely different)
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Old Mar 15, 2007 | 08:44 PM
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maybe a stupid question but why put it in 3rd? i keep seeing that repeated several times.
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Old Mar 15, 2007 | 10:47 PM
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Originally Posted by DC-STRO
Would it be OK if I put the car in neutral rev it to about 6 grand and then drop it into 3'rd?
Yeah! In fact, you should go outside and give it a try right now. be sure to get someone to make a video so you can post it for us to laugh err learn from.

Last edited by _Will_; Mar 15, 2007 at 10:57 PM. Reason: note: this is a joke. please don't break your tranny!
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Old Mar 16, 2007 | 10:10 PM
  #31  
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Originally Posted by Mike Mercury
ya know... I did leave out those two steps;

*place A4 in 3

* turn off TC but leave AH active on (if your C5 has the competitive mode)

I will edit my earlier post.

I totally disagree with leaving TC active . In theory this sounds good, but the C5 TC is not optimized for racing applications. It`s an ice/snow traction system.
yup.. i left my t/c on and got sent home that will not happen again
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Old Mar 16, 2007 | 11:03 PM
  #32  
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If you are new to drag racing and the track is not prepped correctly you better leave the traction control on if you don't want to ruin your car. There is a chance you can wheel hop or go sideways into the guard rail or the other lane. Think about it,leave the T/C ON until you get a few passes under your belt. My car cuts consistant 1.8 60' times with the T/C on.
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Old Mar 16, 2007 | 11:08 PM
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Originally Posted by DC-STRO
Would it be OK if I put the car in neutral rev it to about 6 grand and then drop it into 3'rd?
Sure. You don't need that tranny anyway. I'll pay $2 to see the video.
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Old Mar 16, 2007 | 11:11 PM
  #34  
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push the on the gas
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Old Mar 16, 2007 | 11:23 PM
  #35  
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I also heard that the shift points are higher when 3rd is selected as opposed to "D"
Still not sure about leaving off the T/C.
Do you think it is more of a nuisance than a help when dragging?
What should a 6k miler '04 'vert run for the 1/4?
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Old Mar 16, 2007 | 11:55 PM
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turn the traction control off, when your ready to go mash the gas and steer her straight down the track and hold on. dont worry about your reaction time. go when you are ready
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Old Mar 17, 2007 | 02:46 AM
  #37  
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With a TC and 3.42, do you all recommend holding the brake. Mashing the pedal without holding the brake produces wayyyy toooo much wheel spin.
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Old Mar 17, 2007 | 02:06 PM
  #38  
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Originally Posted by DC-STRO
Would it be OK if I put the car in neutral rev it to about 6 grand and then drop it into 3'rd?
Sure, if you own stock in Aamco. BTW, are they still in business?
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Old Mar 17, 2007 | 02:13 PM
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Originally Posted by Novicetoo
How do you launch a C5 A4 ??
1) Pull around water box water box and then back in to get rear tires wet.

2) Pull forward (the fella working the line will guide you). Activate line lock. Do a quick burn out. Pull up to tree.

3) One foot on break and one on the gas. Bring RPM up to 3,000 ish (this is what I do. If you have the tire you can go higher).

4) On the last set of yellow lights ease into the throttle. I normally do a mental count to three while I'm easing the throttle to wide open position.

5) When tech screams that you need a roll cage pretend you had no idea the car was this fast.
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Old Mar 22, 2007 | 12:07 AM
  #40  
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Default Went to the track

Made 4 runs best time was a 13.6/102 First time ever, Tried all methods. I left the TC on and reved to 1300 with brake on and punched it. I sure could do better with practice but the first run was ride to remember.
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