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Old Oct 26, 2007 | 04:08 PM
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Default LS3 A6 performance

I tried searching the C6 Performance sticky, but didn't find what I was looking for in there.

What are bone stock 08 C6 A6s running at the track? I saw Callaway's post and it seems like they were able to break into the 11s with their M6 car with just tires and a cold air. Does torque mgmt really hold back the automagics? Does a tune really wake them up? Is the A6 as delicate as the old 4L60E/65E?

I'm looking at a 2008 C6 droptop to share the garage with my 2003 C5 and I'm just starting to look at the C6 performance/options.

Thanks!
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Old Oct 26, 2007 | 05:00 PM
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A tune does in fact really help out the A6, no matter the model year. If you do go with a LS3, and plan to take it to the track, please, for all of us here, take it before you do ANY mods at all so we can see some true baseline 1320's on the car.
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Old Oct 27, 2007 | 11:56 AM
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Are you saying mine wasn't "true"?? Anyways, LS6.net the A6 is much stronger than the 4L65 and my sig will tell you the stock times you should expect. I have since added AR headers and a Vararam with no tuning and ran a best of 12.3 with identical trap speed and drag radials, good luck on you decision.
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Old Oct 27, 2007 | 12:45 PM
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Originally Posted by Atomic-Punk
Are you saying mine wasn't "true"?? Anyways, LS6.net the A6 is much stronger than the 4L65 and my sig will tell you the stock times you should expect. I have since added AR headers and a Vararam with no tuning and ran a best of 12.3 with identical trap speed and drag radials, good luck on you decision.
wow ...a little sensitive, are we....??? I didn't pull your chain. I was mearly saying we need more true LS3 baseline bone stock runs.I think just about everyone here can agree.
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Old Oct 27, 2007 | 06:45 PM
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Damn, that's a little disappointing. I was hoping it would be closer to 12.20s stock. Since I'd want to use this car as a fair weather driver, I would like something that's at least comparable to my DD sedan
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Old Oct 27, 2007 | 06:53 PM
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CAI only = 12.22... so not far off, Im sure somebody will eventually report a 12.2 stock time.
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Old Oct 27, 2007 | 07:19 PM
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Are you saying mine wasn't "true"??

Say, is it my imagination or something? I could have sworn I saw your ID & time on the 1/4 mile challenge and like voila, its no longer there. What gives? And what times did you do?
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Old Oct 27, 2007 | 07:33 PM
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Originally Posted by LS6.net
I tried searching the C6 Performance sticky, but didn't find what I was looking for in there.

What are bone stock 08 C6 A6s running at the track? I saw Callaway's post and it seems like they were able to break into the 11s with their M6 car with just tires and a cold air. Does torque mgmt really hold back the automagics? Does a tune really wake them up? Is the A6 as delicate as the old 4L60E/65E?

I'm looking at a 2008 C6 droptop to share the garage with my 2003 C5 and I'm just starting to look at the C6 performance/options.

Thanks!
Torque management is huge in the A6. Currently the tables are limited in the software as any new model year is, but they will add more tables over time. I would recommend the performance axle ratio option. With the performance ratio option and TM eliminated. I believe a half second drop in ET is possible. I say this from past experience and the power output of the LS3, but it is still an educated guess. I wouldn't worry about the stock performance, the LS3 and A6 is the best base Corvette that GM has ever built, my opinion again. M6 cars with dual mode exhaust put down 39's HP to the wheels, easily 11 second cars in good air and with all the power (TM eliminated), and a good driver.
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Old Oct 27, 2007 | 07:44 PM
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Originally Posted by siffert
Are you saying mine wasn't "true"??

Say, is it my imagination or something? I could have sworn I saw your ID & time on the 1/4 mile challenge and like voila, its no longer there. What gives? And what times did you do?
Tommy D is requesting actual time slips for inclusion on that list now.

http://forums.corvetteforum.com/show...postcount=2082

"In addition, I have been requesting time slips if I do not receive them within a reasonable time your time will be removed from the list."

Currently there are no bone stock '08s on it.

Last edited by '06 Quicksilver Z06; Oct 27, 2007 at 07:48 PM.
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Old Oct 27, 2007 | 07:56 PM
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Currently there are no bone stock '08s on it.

Ah, I knew I could count on you, oh keeper of all CF threads!

Say, I see you got rid of your "Z51" emblems for the Z06 emblems. Congrats.
What kind, if any, drag times are you pulling? I see one downside to the Z06...that is, you cant have much drag racing fun...get below 11.5 and OUT you go!
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Old Oct 27, 2007 | 08:05 PM
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Originally Posted by siffert
Currently there are no bone stock '08s on it.

Ah, I knew I could count on you, oh keeper of all CF threads!

Say, I see you got rid of your "Z51" emblems for the Z06 emblems. Congrats.
What kind, if any, drag times are you pulling? I see one downside to the Z06...that is, you cant have much drag racing fun...get below 11.5 and OUT you go!
Still getting used to it and learning to drive it. Its a beast. A handful. Purchased here, have had it for 3 months now.

6 quarter mile passes so far and an HPDE here 2 weeks ago.

6th quarter mile pass below.

http://forums.corvetteforum.com/show....php?t=1843813

Was looking to better the last quarter mile pass this weekend, car easily has 11.5-11.6 in it, 11.4 or better with a good, experienced driver, but rained out today and unfortunately looks like tomorrow.

I intend to drive it, but will concentrate moreso on the HPDEs while not avoiding the quarter mile track as I am one of the co admins of "The C6 Z06 Fast List" which list the Z06 quarter mile times. I intend to do both. Its what it was built for.

Last edited by '06 Quicksilver Z06; Oct 27, 2007 at 08:35 PM.
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Old Oct 27, 2007 | 08:20 PM
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I intend to drive it, but will concentrate moreso on the HPDEs while not avoiding the quarter mile track. I intend to do both. Its what it was built for.

I saw in one of your threads, that you have a HP tuner. Just picked up one myself (coming in Tues) and the first thing is to disable TM. Propped opened my shroud more from 1.5" to 3.25"....Going to go down from 28lbs to 25 on my AS/C EMT's, and I just knew they would be useful in cool weather My track closes next weekend for the winter, so am hoping to pick up a tenth or so.
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Old Oct 27, 2007 | 08:34 PM
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Originally Posted by siffert
I intend to drive it, but will concentrate moreso on the HPDEs while not avoiding the quarter mile track. I intend to do both. Its what it was built for.

I saw in one of your threads, that you have a HP tuner. Just picked up one myself (coming in Tues) and the first thing is to disable TM. Propped opened my shroud more from 1.5" to 3.25"....Going to go down from 28lbs to 25 on my AS/C EMT's, and I just knew they would be useful in cool weather My track closes next weekend for the winter, so am hoping to pick up a tenth or so.
I have HP Tuners, bought it for my 2005. When you get it, it has 2 licenses on it.

I have not used it for the Z06 however because I prefer to leave it stock for now for a variety of reasons.

Not the least of which were broken valve springs and dropped valves and failed rockers and needle bearings, reported by a few here.

Should one of these snafus befall me, I don't want any hassle from GM if it comes to replacing my LS7 engine. That is why it is not tuned.

Indeed, I even have a CAGS eliminator prefering to not use the HP Tuners to disable CAGS. I will be unplugging the CAGS eliminator for my next stock runs so as to be able to accurately claim "showroom stock" lest anyone question it. ( I know, but stranger things have happened)

Also, I want to sharpen my skills driving it bone stock. More power is the last thing I need right now. Perhaps when I start running 11.2s 11.3s like the top 4 on that list, then I will add more power, but the car is quite powerful enough.


Good luck in your efforts to better your times. Its what we are all looking for.

Charlie at RPM did an excellent job with my LS2 based '05 via mail order, but I got rid of it before I was able to put in on the quarter mile track following his tunes.

Last edited by '06 Quicksilver Z06; Oct 27, 2007 at 08:43 PM.
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Old Oct 28, 2007 | 08:20 AM
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Originally Posted by Dave_Busch
Torque management is huge in the A6. Currently the tables are limited in the software as any new model year is, but they will add more tables over time. I would recommend the performance axle ratio option. With the performance ratio option and TM eliminated. I believe a half second drop in ET is possible. I say this from past experience and the power output of the LS3, but it is still an educated guess. I wouldn't worry about the stock performance, the LS3 and A6 is the best base Corvette that GM has ever built, my opinion again.

I want something I can just drive right out of the box. As you know I'm going to have you guys build the twin turbo mill for my Z06 - I don't want another project car. I don't mind doing a tune/cold air immediately, but that's probably the limit of what I'll do for now (ok, maybe nitrous ).

I'm currently driving a 2006 E55 as my fair weather DD. As goofy as it sounds, I can hit the track with that car and run 12.1-12.2 every time on street tires (stock Continental Sports, Nittos and my current PS2s). I want something that's comparable, performance-wise, to that car, but adds in a little more "fun to drive". That's why I'm considering another Corvette in the garage, next to my 03 Z06

My wife and I sold our last convertible in 05 and we miss the top down driving experience. I drove a 2007 A6 Z51 droptop yesterday just to get a feel for the car. I really liked it, even though I thought the performance was lacking a bit.

Thanks for all the responses so far. I guess the LS3 cars are a little young right, so there aren't many out there hitting the tracks.
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