C7 at RPR 11.4
Melting Slicks
Joined: Oct 2002
Posts: 2,896
Likes: 349
From: Smithfield VA
...the problem was the traction on the stock tires was limited because it was very cloudy all day and track temp was lower than we like to have for maximum traction, especially with stock tires. That being said, I did get a couple passes where it hooked up on a good fast throttle squeeze.
I have no doubt that a C7 auto is going to be much easier and consistent to launch and get low 60' times than a ZR1 but the ZR1 has run numerous low 1.7X (and a few 1.68s) 60' times, stock, so comparisons should be to drag strip times not factory specs.
Last edited by racerns; Oct 27, 2013 at 11:08 AM.
Cruising
Joined: Sep 2008
Posts: 12
Likes: 0
I posed the question if the Z51 was instrumental in Snorman good traction, but seeing this base car click off 1.6x 60ft I would guess "no". So for the straight line guys the base car A6 may actually be a good starting point. I prefer the "spoiler delete" look as well. 
Interesting results coming in. Thanks all!
Interesting results coming in. Thanks all!
Le Mans Master
Joined: Jan 2002
Posts: 5,892
Likes: 1,200
From: Ft. Myers FL
What I like about this run is that it's a base non-Z51 car and that in my opinion letting the A6 do the work I believe you would have picked up .05 secs. Plus when you get a little more time to try flashing the trans like Snorman did. You might pick up a little better 60' times. Overall very very impressive and not a run at one of the "Majic" tracks.
Scraping the splitter.
Joined: Jun 2005
Posts: 8,111
Likes: 1,029
St. Jude Donor '13-'14-'15
I have done a LOT of drag racing over the last 10-12 years. Probably somewhere around 100-120 passes in the last year alone.
There is no possible way I will believe that a ~2000' difference in DA will have no effect on trap speed because of traction. If the car doesn't hook on the front half then the run is wasted anyway, and even with as much power as ZR1's make, they aren't going to be traction limited on the back half. There is probably a reason those top two passes are 3+ mph faster than your own, even with similar 60'. It's the DA.
I am not really sure why the ZR1 was even brought into this discussion.
S.
There is no possible way I will believe that a ~2000' difference in DA will have no effect on trap speed because of traction. If the car doesn't hook on the front half then the run is wasted anyway, and even with as much power as ZR1's make, they aren't going to be traction limited on the back half. There is probably a reason those top two passes are 3+ mph faster than your own, even with similar 60'. It's the DA.
I am not really sure why the ZR1 was even brought into this discussion.
S.
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Scraping the splitter.
Joined: Jun 2005
Posts: 8,111
Likes: 1,029
St. Jude Donor '13-'14-'15
I posed the question if the Z51 was instrumental in Snorman good traction, but seeing this base car click off 1.6x 60ft I would guess "no". So for the straight line guys the base car A6 may actually be a good starting point. I prefer the "spoiler delete" look as well.
Interesting results coming in. Thanks all!
Interesting results coming in. Thanks all!
S.
Melting Slicks
Joined: Oct 2002
Posts: 2,896
Likes: 349
From: Smithfield VA
I have done a LOT of drag racing over the last 10-12 years. Probably somewhere around 100-120 passes in the last year alone.
There is no possible way I will believe that a ~2000' difference in DA will have no effect on trap speed because of traction. If the car doesn't hook on the front half then the run is wasted anyway, and even with as much power as ZR1's make, they aren't going to be traction limited on the back half. There is probably a reason those top two passes are 3+ mph faster than your own, even with similar 60'. It's the DA.
I am not really sure why the ZR1 was even brought into this discussion.
S.
There is no possible way I will believe that a ~2000' difference in DA will have no effect on trap speed because of traction. If the car doesn't hook on the front half then the run is wasted anyway, and even with as much power as ZR1's make, they aren't going to be traction limited on the back half. There is probably a reason those top two passes are 3+ mph faster than your own, even with similar 60'. It's the DA.
I am not really sure why the ZR1 was even brought into this discussion.
S.
I too have done a fair bit drag racing over the part 5 years (+100 passes)and most of it has been with other ZR1s at the track. I have seen them run 132mph in positive DA weather. If you listen to the video of Kyle's run you can hear him spin on the 1-2 and the 2-3 shift. You don't think that will hurt trap speed? As for my trap speed compared to the others (Kyle, Jamie, and Ranger), I have been at the track with them the same day and they always trap +2 mph more than me, even driving my car. That is because they are much better at shifting than I am. The one thing I figured out was the launch which kept my ETs in their range even with a lower trap.
This is nothing against the C7 as I think it performing fantastic at the dragstrip like I predicted.
Last edited by racerns; Oct 27, 2013 at 11:59 AM.
Scraping the splitter.
Joined: Jun 2005
Posts: 8,111
Likes: 1,029
St. Jude Donor '13-'14-'15
What I like about this run is that it's a base non-Z51 car and that in my opinion letting the A6 do the work I believe you would have picked up .05 secs. Plus when you get a little more time to try flashing the trans like Snorman did. You might pick up a little better 60' times. Overall very very impressive and not a run at one of the "Majic" tracks.
S.
Burning Brakes
Joined: Jun 2013
Posts: 1,193
Likes: 342
From: St. Louis MO
OK, one dude puts the car in D and let's the tranny shift itself and gets a 11.67 quarter mile time. The second dude puts the car in M and paddle shifts and gets a 11.47 quarter mile..with a tune.
When are certain people gonna stop flapping their gums about how slow and crappy this A6 6L80 transmission is ? It is not the same programming as the A6 in the older C6's, and it appears, to me anyway, to work as well as the vaunted 8-speed ZF, and damn near as well as a DCT. These times prove it - especially the paddle shift time. Way to go guys !!
It think it may well be possible to get into the high tens with a tune, cam and Kooks headers, and an A6. Stay tuned....the next 12 months will be fun to watch.
When are certain people gonna stop flapping their gums about how slow and crappy this A6 6L80 transmission is ? It is not the same programming as the A6 in the older C6's, and it appears, to me anyway, to work as well as the vaunted 8-speed ZF, and damn near as well as a DCT. These times prove it - especially the paddle shift time. Way to go guys !!
It think it may well be possible to get into the high tens with a tune, cam and Kooks headers, and an A6. Stay tuned....the next 12 months will be fun to watch.
Le Mans Master
Joined: Jan 2002
Posts: 5,892
Likes: 1,200
From: Ft. Myers FL
Snorman:That was what I found most interesting...the car seemed to like some rpm on the launch. As I said in another post, it may be a function of the tune.
Scraping the splitter.
Joined: Jun 2005
Posts: 8,111
Likes: 1,029
St. Jude Donor '13-'14-'15
I don't think it has anything to do with the diff. My car just felt flat in the first ~60-80', and the drop of ~.05 in the 60' proved that.
I'll try to play around with it a little more next Monday at the next rental.
S.
I'll try to play around with it a little more next Monday at the next rental.
S.
Racer
Joined: Nov 2009
Posts: 299
Likes: 0
OK, one dude puts the car in D and let's the tranny shift itself and gets a 11.67 quarter mile time. The second dude puts the car in M and paddle shifts and gets a 11.47 quarter mile..with a tune.
When are certain people gonna stop flapping their gums about how slow and crappy this A6 6L80 transmission is ? It is not the same programming as the A6 in the older C6's, and it appears, to me anyway, to work as well as the vaunted 8-speed ZF, and damn near as well as a DCT. These times prove it - especially the paddle shift time. Way to go guys !!
It think it may well be possible to get into the high tens with a tune, cam and Kooks headers, and an A6. Stay tuned....the next 12 months will be fun to watch.
When are certain people gonna stop flapping their gums about how slow and crappy this A6 6L80 transmission is ? It is not the same programming as the A6 in the older C6's, and it appears, to me anyway, to work as well as the vaunted 8-speed ZF, and damn near as well as a DCT. These times prove it - especially the paddle shift time. Way to go guys !!
It think it may well be possible to get into the high tens with a tune, cam and Kooks headers, and an A6. Stay tuned....the next 12 months will be fun to watch.
Tommy
Racer
Joined: Nov 2009
Posts: 299
Likes: 0
Melting Slicks
Joined: May 2007
Posts: 3,269
Likes: 25
From: Simi Valley Ca
Another ridiculously fast one. These cars are turning out to be monsters. Waiting to see the first headers+tune+A6.The C7 is proving to be everything GM said it would be and more. I can only imagine with the future will bring with the Z performance versions. This car has some seriously scary potential!