How best to launch C5 Coupe with automatic?
Burning Brakes
Joined: Jul 2002
Posts: 938
Likes: 2
From: IL
Re: How best to launch C5 Coupe with automatic? (2000^C5)
You can rev it more, I was just using 1000 as a conservative example.
Some people that have aftermarket converters load them up at the line by reving it to 2000rpm as example.
I bring up the revs with the rightfoot while on the brakes with the left foot. This tightens up slack in the drivetrain against the brakes. Parts usually break from drivetrain shock at start (given traction), just ask those M6 guys. :p: ;)
[Modified by H82BFST, 1:04 AM 8/6/2003]
Some people that have aftermarket converters load them up at the line by reving it to 2000rpm as example.
I bring up the revs with the rightfoot while on the brakes with the left foot. This tightens up slack in the drivetrain against the brakes. Parts usually break from drivetrain shock at start (given traction), just ask those M6 guys. :p: ;)
[Modified by H82BFST, 1:04 AM 8/6/2003]
Melting Slicks
Joined: Feb 2002
Posts: 2,613
Likes: 0
From: Winston Salem NC
Re: How best to launch C5 Coupe with automatic? (H82BFST)
One thing to note is that some guys turn of all the TM and raise the shift pressures with LS1Edit. In some cases this actually causes SLOWER shifts
Raising shift pressure with Edit will always cause slower shifts. You have to lower values to speed shifts up. :steering:
Raising shift pressure with Edit will always cause slower shifts. You have to lower values to speed shifts up. :steering:
Thread Starter
Racer
Joined: Nov 2001
Posts: 295
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From: Houston TX
Re: How best to launch C5 Coupe with automatic? (mgaskins)
How would you expect we achieved our lowest elapsed times?
We'll have to look into some of your suggestions on our next attempt.
Le Mans Master
Joined: Jan 2001
Posts: 5,786
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From: Lafayette Colorado
Re: How best to launch C5 Coupe with automatic? (jfpilla)
Raising shift pressure with Edit will always cause slower shifts.
Keith
Burning Brakes
Joined: Jul 2002
Posts: 869
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From: Nashville TN
Re: How best to launch C5 Coupe with automatic? (mgaskins)
I must be missing something here! In the poll the last two choices leave the traction control ON -- why in the world would anyone do that!? :confused: And why would you hold the brake with your RIGHT foot and then shift it to the accelerator!? :confused:
Race Director
Joined: Aug 1999
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From: GARDENA Ca, State Of Konfusion
St. Jude Donor '05
Re: How best to launch C5 Coupe with automatic? (1g1yy)
I prefer traction control off and active handling off. Power brake with the left foot and bring the rpms up to about 2600-2800 rpms with the right. On the third yellow release the brake and mash hard on the gas with the right foot. Best 60' = 1.66!
CHICAGO CREW !
Joined: Nov 2001
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From: We are living in a Bazzaro World everything is upside down half ass backwards !
CI 4-5-6-7-8-9 Veteran
St. Jude Donor '06-'07-'08 & '12
Re: How best to launch C5 Coupe with automatic? (slong)
wind it up to about 10,000 rpm and drop it in drive :lol: :lol: :lol: :rofl: :rofl: :rofl:
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Drifting
Joined: Feb 2002
Posts: 1,765
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From: Los Angeles Founder, West Coast Corvette Challenge
Re: How best to launch C5 Coupe with automatic? (johnnyvettes)
If you have a stock converter, then I would launch somewhere around 1200 rpm. This should work pretty well with a stock setup, in terms of tires.
If you graduate to a higher stall, say a PT 2400 or higher, then I would launch somewhere around 2000 rpm. Of course, you will need some better meat that can grab so you might want to start thinking about e.t. streets or DR's. Hope this helps.
Gary
[Modified by gary brown, 10:47 PM 8/6/2003]
If you graduate to a higher stall, say a PT 2400 or higher, then I would launch somewhere around 2000 rpm. Of course, you will need some better meat that can grab so you might want to start thinking about e.t. streets or DR's. Hope this helps.
Gary
[Modified by gary brown, 10:47 PM 8/6/2003]
Drifting
Joined: Aug 2001
Posts: 1,878
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From: EP Texas
St. Jude Contributor
Re: How best to launch C5 Coupe with automatic? (gary brown)
I agree wit leaving it in 3rd, and buy a stall, look at my times! I've done better once or twice also! My car makes very good rwtq considering the parts. Drag radials will really help as well. If your not at the track, I just leave traction control on, but at the track, for best ET, leave it in third, TC off, have one foot on the brake, the other on the gas ever so slightly, and if on street tires, ROLL onto the throttle as you let off on the track.
With some properly heated sticky icky tires, I tourqe brake to 2000RPM, let off the brake with my left foot, and hammer my right, and boy dues it push you in your seat :D
All in all, an A4 Corvette with stock Run flats is extremely hard to launch. In fact, and traction is in fact futile with runcrap tirers :D I went to pilots for the street, and at least I don't go side ways with more then half throttle now :D For the track, BFG Drag radials do great I think up to about 400RWHP.
[Modified by TexCorvette, 6:40 AM 8/7/2003]
With some properly heated sticky icky tires, I tourqe brake to 2000RPM, let off the brake with my left foot, and hammer my right, and boy dues it push you in your seat :D
All in all, an A4 Corvette with stock Run flats is extremely hard to launch. In fact, and traction is in fact futile with runcrap tirers :D I went to pilots for the street, and at least I don't go side ways with more then half throttle now :D For the track, BFG Drag radials do great I think up to about 400RWHP.
[Modified by TexCorvette, 6:40 AM 8/7/2003]
Burning Brakes
Joined: Jul 2002
Posts: 938
Likes: 2
From: IL
Re: How best to launch C5 Coupe with automatic? (mgaskins)
What tire? Stock?
Next time out, try to modulate for traction. It is possible to get 1.9's out of stock tires and I see Z06's get 1.8's fairly easy on stock F1's.
2.1 must of spun quite well eh?
Next time out, try to modulate for traction. It is possible to get 1.9's out of stock tires and I see Z06's get 1.8's fairly easy on stock F1's.
2.1 must of spun quite well eh?
