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Old 05-31-2013, 10:41 PM   #1
big dave
 
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First time at the track. Shocked!!!

Let me start of by saying, my ZL1 made me eat crow today. After purchasing the car, I thought it felt slow. I was truly unimpressed with its acceleration. It is a fantastic handling, and a great riding car, I just didn't find it all that quick. I saw in another post other members felt the same way. It was a very hot day today, not the kind of day that would ever find me at the track, I was just pressed to race since I hadn't raced since last year. The temp was in the upper 80s to low 90s today. 50 percent humidity with a barometer of 30.1

I really expected to run somewhere around 12.7s at best with these kind of conditions. I would've been happy with a 12.5.

Let me say that I'm not familiar with this car, and found that the advice that Baron provided was spot on. I iced the intake for the first 2 passes, kept tire pressure at 28 psi, and did a very brief burnout to put a little heat in the tires and to keep engine temperatures down. Though I iced the intake, my infrared thermometer was still showing an intake temp of 115 degrees. I don't have a scanner so I really don't know what temperatures the sensor was seeing.

First pass blew me away.
60' 1.87
1/8 7.97 @ 90.4
1/4 12.27 @ 115.0
The Z far surpassed what I thought it could've, and would've done on a day like this.

Second pass
60' 1.768
1/8 7.83 @ 90.89
1/4 12.10 @ 118.04 ( I thought the clocks were screwed up, couldn't believe it picked up that much mph after the 1/8)

Last pass with no ice and an indicated intake temperature of 141 degrees.
60' 1.745!!!!!! On factory rubber!!!
1/8 7.75 @91.67
1/4 11.99@ 118.8!

I never would've imagined this car would run in the 11s factory stock...and to do it in pretty poor weather conditions is pretty amazing!
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'13 ZL1 BRM A6. 11.74 @ 120.14 factory stock! Best stock mph 121.8. 11.59@121.4 with Roto Fab
http://youtu.be/spQLaTWbThs

'94 Z28 A4. 13.64 @ 100.1 stock. 11.71 @ 117 h/c

'99 SS M6. 13.28 @ 105 stock. 12.02 @ 116.5 bolt-ons on street tires. Full weight. New combo 10.94 @ 126.9 n/a full weight on et streets. .http://youtu.be/BCJNFJrp2lg

Last edited by big dave; 06-03-2013 at 04:42 PM.
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Old 05-31-2013, 10:46 PM   #2
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Old 05-31-2013, 10:49 PM   #3
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Nice 60' times on street tires.
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Old 05-31-2013, 10:50 PM   #4
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auto or stick and what modes were you in ie trac control on or off sport mode 1-5 did you no lift shift and did you launch without the computer or did you do yourself if you have a stick?
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Old 05-31-2013, 10:53 PM   #5
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Originally Posted by closs2sx View Post
auto or stick and what modes were you in ie trac control on or off sport mode 1-5 did you no lift shift and did you launch without the computer or did you do yourself if you have a stick?
A6. Race mode with all nannies off. It was difficult to do a burnout however
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'13 ZL1 BRM A6. 11.74 @ 120.14 factory stock! Best stock mph 121.8. 11.59@121.4 with Roto Fab
http://youtu.be/spQLaTWbThs

'94 Z28 A4. 13.64 @ 100.1 stock. 11.71 @ 117 h/c

'99 SS M6. 13.28 @ 105 stock. 12.02 @ 116.5 bolt-ons on street tires. Full weight. New combo 10.94 @ 126.9 n/a full weight on et streets. .http://youtu.be/BCJNFJrp2lg
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Old 05-31-2013, 10:57 PM   #6
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Says A6 in his sig.
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Old 05-31-2013, 11:12 PM   #7
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Quote:
Originally Posted by big dave View Post
Let me start of by saying, my ZL1 made me eat crow today. After purchasing the car, I thought it felt slow. I was truly unimpressed with its acceleration. It is a fantastic handling, and a great riding car, I just didn't find it all that quick. I saw in another post other members felt the same way. It was a very hot day today, not the kind of day that would ever find me at the track, I was just pressed to race since I hadn't raced since last year. The temp was in the upper 80s to low 90s today. 50 percent humidity with a barometer of 30.1

I really expected to run somewhere around 12.7s at best with these kind of conditions. I would've been happy with a 12.5.

Let me say that I'm not familiar with this car, and found that the advice that Baron provided was spot on. I iced the intake for the first 2 passes, kept tire pressure at 28 psi, and did a very brief burnout to put a little heat in the tires and to keep engine temperatures down. Though I iced the intake, my infrared thermometer was still showing an intake temp of 115 degrees. I don't have a scanner so I really don't know what temperatures the sensor was seeing.

First pass blew me away.
60' 1.87
1/8 7.97 @ 90.4
1/4 12.27 @ 115.0
I far surpassed what I thought the car could've, and would've done on a day like this.

Second pass
60' 1.768
1/8 7.83 @ 90.89
1/4 12.10 @ 118.04 ( I thought the clocks were screwed up, couldn't believe it picked up that much mph after the 1/8)

Last pass with no ice and an indicated intake temperature of 141 degrees.
60' 1.745!!!!!! On factory rubber!!!
1/8 7.75 @91.67
1/4 11.99@ 118.8!

I never would've imagined this car would run in the 11s factory stock...and to do it in pretty poor weather conditions is pretty amazing!
Does the car still feels slow , after those numbers ?
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Old 05-31-2013, 11:16 PM   #8
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Does the car still feels slow , after those numbers ?
It felt totally different tonight. Being able to launch on a prepped track and let it run an entire quarter mile does make a difference. I really don't like fooling around on the street too much so I guess I never really let the Z stretch it's legs.
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'13 ZL1 BRM A6. 11.74 @ 120.14 factory stock! Best stock mph 121.8. 11.59@121.4 with Roto Fab
http://youtu.be/spQLaTWbThs

'94 Z28 A4. 13.64 @ 100.1 stock. 11.71 @ 117 h/c

'99 SS M6. 13.28 @ 105 stock. 12.02 @ 116.5 bolt-ons on street tires. Full weight. New combo 10.94 @ 126.9 n/a full weight on et streets. .http://youtu.be/BCJNFJrp2lg
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Old 06-01-2013, 01:07 AM   #9
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Auto's should run low 12s easy
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Old 06-01-2013, 01:08 AM   #10
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What are you launching at?
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604 RWHP 602 LBS/TQ
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Old 06-01-2013, 03:29 AM   #11
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Quote:
Originally Posted by big dave View Post
Let me start of by saying, my ZL1 made me eat crow today. After purchasing the car, I thought it felt slow. I was truly unimpressed with its acceleration. It is a fantastic handling, and a great riding car, I just didn't find it all that quick. I saw in another post other members felt the same way. It was a very hot day today, not the kind of day that would ever find me at the track, I was just pressed to race since I hadn't raced since last year. The temp was in the upper 80s to low 90s today. 50 percent humidity with a barometer of 30.1

I really expected to run somewhere around 12.7s at best with these kind of conditions. I would've been happy with a 12.5.

Let me say that I'm not familiar with this car, and found that the advice that Baron provided was spot on. I iced the intake for the first 2 passes, kept tire pressure at 28 psi, and did a very brief burnout to put a little heat in the tires and to keep engine temperatures down. Though I iced the intake, my infrared thermometer was still showing an intake temp of 115 degrees. I don't have a scanner so I really don't know what temperatures the sensor was seeing.

First pass blew me away.
60' 1.87
1/8 7.97 @ 90.4
1/4 12.27 @ 115.0
I far surpassed what I thought the car could've, and would've done on a day like this.

Second pass
60' 1.768
1/8 7.83 @ 90.89
1/4 12.10 @ 118.04 ( I thought the clocks were screwed up, couldn't believe it picked up that much mph after the 1/8)

Last pass with no ice and an indicated intake temperature of 141 degrees.
60' 1.745!!!!!! On factory rubber!!!
1/8 7.75 @91.67
1/4 11.99@ 118.8!

I never would've imagined this car would run in the 11s factory stock...and to do it in pretty poor weather conditions is pretty amazing!
Great runs! MIR or Capital?
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Old 06-01-2013, 04:09 AM   #12
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Congrats on the great #'s the DA was 1921ft at 2pm.

I calculated the DA based on the Maryland track,the tracks real altitude 87 feet above sea level.

At 2pm temp was 87.8 Humidity 40% and Barometer 30.14

http://www.dragtimes.com/da-density-...e=Calculate+DA
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Old 06-01-2013, 04:23 AM   #13
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Anyone remember back when the ZL1 first came out and GM had announced that they had gone something like 11.73?
Everyone came back and said bullpucky, can't be stock, etc, etc, etc.
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Old 06-01-2013, 04:52 AM   #14
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Very nice times.
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Old 06-01-2013, 05:59 AM   #15
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You know it's really nice hearing all these recent good times out of the automatic cars. Bone stock 11s is a great time.
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Old 06-01-2013, 06:36 AM   #16
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Quote:
Originally Posted by ZL1 Spoked View Post
What are you launching at?
Launching at idle

Quote:
Originally Posted by Stephen12ZL1 View Post
Great runs! MIR or Capital?
Capitol

Quote:
Originally Posted by onewaydave View Post
Very nice times.
Thanks. I'm more than happy with them. Can't wait til the good fall air gets here.
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'13 ZL1 BRM A6. 11.74 @ 120.14 factory stock! Best stock mph 121.8. 11.59@121.4 with Roto Fab
http://youtu.be/spQLaTWbThs

'94 Z28 A4. 13.64 @ 100.1 stock. 11.71 @ 117 h/c

'99 SS M6. 13.28 @ 105 stock. 12.02 @ 116.5 bolt-ons on street tires. Full weight. New combo 10.94 @ 126.9 n/a full weight on et streets. .http://youtu.be/BCJNFJrp2lg
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Old 06-01-2013, 06:45 AM   #17
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Great runs!
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2012 ZL1
Roto fab cai
Roto fab reservoir
10%lower (10psi)
catless
ported lsa TB
JRE custom tune

11.04 @ 128.35
on hoosier drs and skinnies
@ PRP with 1100DA
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Old 06-01-2013, 07:09 AM   #18
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Great runs!
Thanks, but it would be even better to run like yours.
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'13 ZL1 BRM A6. 11.74 @ 120.14 factory stock! Best stock mph 121.8. 11.59@121.4 with Roto Fab
http://youtu.be/spQLaTWbThs

'94 Z28 A4. 13.64 @ 100.1 stock. 11.71 @ 117 h/c

'99 SS M6. 13.28 @ 105 stock. 12.02 @ 116.5 bolt-ons on street tires. Full weight. New combo 10.94 @ 126.9 n/a full weight on et streets. .http://youtu.be/BCJNFJrp2lg
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Old 06-01-2013, 08:47 AM   #19
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Quote:
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Thanks, but it would be even better to run like yours.
Post your time in the fast list thread in the drag strip section
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Old 06-01-2013, 08:48 AM   #20
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Quote:
Originally Posted by cam99 View Post
Great runs!
Quote:
Originally Posted by big dave View Post
Thanks, but it would be even better to run like yours.
http://www.camaro5.com/forums/showthread.php?t=21013
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Old 06-01-2013, 08:53 AM   #21
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Quote:
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Thanks, but it would be even better to run like yours.
All yours is missing is dr's and you will be VERY happy with the et's. I was cutting 1.6-1.7's out of mine with them
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2012 ZL1
Roto fab cai
Roto fab reservoir
10%lower (10psi)
catless
ported lsa TB
JRE custom tune

11.04 @ 128.35
on hoosier drs and skinnies
@ PRP with 1100DA
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Old 06-01-2013, 09:20 AM   #22
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Is that all you had when you ran your time?
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'13 ZL1 BRM A6. 11.74 @ 120.14 factory stock! Best stock mph 121.8. 11.59@121.4 with Roto Fab
http://youtu.be/spQLaTWbThs

'94 Z28 A4. 13.64 @ 100.1 stock. 11.71 @ 117 h/c

'99 SS M6. 13.28 @ 105 stock. 12.02 @ 116.5 bolt-ons on street tires. Full weight. New combo 10.94 @ 126.9 n/a full weight on et streets. .http://youtu.be/BCJNFJrp2lg
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Old 06-01-2013, 09:48 AM   #23
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Very nice.....street tires? Flippin' amazing times.
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Old 06-01-2013, 09:58 AM   #24
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awesome numbers. go back on a cool night
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Old 06-01-2013, 10:44 AM   #25
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Quote:
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Is that all you had when you ran your time?
Hoosier drs on vette wheels and racestar skinnies on front. Between the racestars being a bit heavy and the tires I have on them they are only about 6 pounds lighter than the zl1 wheels. Less contact patch which doesn't hurt, but the big helper is the drs. Other than that it was bone stock. Think the da was 1500-2000 that night
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2012 ZL1
Roto fab cai
Roto fab reservoir
10%lower (10psi)
catless
ported lsa TB
JRE custom tune

11.04 @ 128.35
on hoosier drs and skinnies
@ PRP with 1100DA
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