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Old Feb 3, 2015 | 09:35 AM
  #361  
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Zymurgy:For some reason IB un-stuck this thread. I have made it a sticky again and I am trying to figure out why it was un-stuck. In the future, if you wonder why a thread is or is not a sticky, please contact a moderator instead of posting in a thread. The only reason I re-stuck this thread is because someone reported the issue. There are millions of threads and tens of million of posts, so don't expect mods to read every thread.
Sorry, I just noticed it yesterday but I will in the future.
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Old Feb 6, 2015 | 02:48 PM
  #362  
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It was great to see that run. Maybe you can give me some advice on my problem. I have had several big block vettes over the years and currently have a 73 454 roadster which i bought new. I occuasially race at corvette events each year. Last April I bought a C7 w/oz51 but with perf. exhaust. Took it to the track for test and tune and it scared me to death. I got nervous when it shifted from first to second (automatic) and the back it gets wiggley and I back off to let it straighten itself out and i still ran 12.4 & 112mph in quarter. Now people tell me that if i stay in it it will straighten itself out and i say yea and so will the wall. I have been told to paddle from 1st to 3rd and that will help. When the weather brakes i will see what happens. Do you have any suggestions. Thanks.



Originally Posted by Greg Quillen
Year of the C7: 2014
Tires used on the pass: Stock
Performance Mods (if any): Stock (Options are: M7, Z51, Has NPP, Has Mag suspension)
Category submitted for: Bone Stock - Stock Tires
60'............. 1.938
330'........... 5.248
660'........... 7.941
660’ mph..... 92.32
1000'.......... 10.221
1320'.......... 12.164
1320’ mph….. 116.31
Name of the track: Island Dragway
Date of pass: 11/3/2013
Weather conditions: (include Density Altitude, if known): DA -37
was 52 degrees by this run.

Image of complete Time Slip:
Attachment 47747589

Link to Video: I can see a lil more left in it maybe another tenth. You see in the video for the first half a second I left a little soft before I got on it. I had trouble earlier with wheel spin. Track was cold not many people running. After this run I had to leave the GF was cold.
2014 Corvette Stingray Drag Racing STOCK viewing HUD - YouTube
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Old Feb 7, 2015 | 03:05 PM
  #363  
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We pick up were we left of last year. Same car and set up different tires. This time we use a Yokohama advan 240/64r18 this a 24" road race tire. Base model c7 A6. Mod list is ported TB and intake, airaid dry filter, no cats, AAC flex fuel.

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160 thermostat system. Fastpromp tune.
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Old Feb 9, 2015 | 08:42 PM
  #364  
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Default First time with Bianca at the track..Shut a lot of folks up.






Year of the C7: 2014
Tires used on the pass: Stock
Performance Mods (if any): Stock (Options are: 2LT A6, Z51, non NPP)
Category submitted for: Bone Stock - Stock Tires
60'............. 1.806
330'........... 5.031
1/8'........... 7.719
660’ mph..... 91.56
1000'.......... 10.091
1320'.......... 11.947
1320’ mph….. 117.17
Name of the track: Auto Plus Raceway (aka Gainesville)
Date of pass: 02/08/15
Weather conditions: (include Density Altitude, if known): DA -68
was 60 degrees by this run.
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Old Feb 9, 2015 | 11:04 PM
  #365  
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Originally Posted by The Rock1





Year of the C7: 2014
Tires used on the pass: Stock
Performance Mods (if any): Stock (Options are: 2LT A6, Z51, non NPP)
Category submitted for: Bone Stock - Stock Tires
60'............. 1.806
330'........... 5.031
1/8'........... 7.719
660’ mph..... 91.56
1000'.......... 10.091
1320'.......... 11.947
1320’ mph….. 117.17
Name of the track: Auto Plus Raceway (aka Gainesville)
Date of pass: 02/08/15
Weather conditions: (include Density Altitude, if known): DA -68
was 60 degrees by this run.
Sick!
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Old Feb 10, 2015 | 01:12 PM
  #366  
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Originally Posted by The Rock1





Year of the C7: 2014
Tires used on the pass: Stock
Performance Mods (if any): Stock (Options are: 2LT A6, Z51, non NPP)
Category submitted for: Bone Stock - Stock Tires
60'............. 1.806
330'........... 5.031
1/8'........... 7.719
660’ mph..... 91.56
1000'.......... 10.091
1320'.......... 11.947
1320’ mph….. 117.17
Name of the track: Auto Plus Raceway (aka Gainesville)
Date of pass: 02/08/15
Weather conditions: (include Density Altitude, if known): DA -68
was 60 degrees by this run.
Well done.......almost identical to my first time out.
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Old Feb 10, 2015 | 05:13 PM
  #367  
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Originally Posted by 10mm_
Sick!
Thank you sir.
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Old Feb 10, 2015 | 05:18 PM
  #368  
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Originally Posted by Fore58
Well done.......almost identical to my first time out.
Thank you! Wish they didn't start running as late as they did, the DA that morning at 830am was 1199 at 50 deg. Track opened at 9, They didn't start running cars till 11.
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Old Feb 10, 2015 | 05:49 PM
  #369  
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Originally Posted by The Rock1





Year of the C7: 2014
Tires used on the pass: Stock
Performance Mods (if any): Stock (Options are: 2LT A6, Z51, non NPP)
Category submitted for: Bone Stock - Stock Tires
60'............. 1.806
330'........... 5.031
1/8'........... 7.719
660’ mph..... 91.56
1000'.......... 10.091
1320'.......... 11.947
1320’ mph….. 117.17
Name of the track: Auto Plus Raceway (aka Gainesville)
Date of pass: 02/08/15
Weather conditions: (include Density Altitude, if known): DA -68
was 60 degrees by this run.
Nice run!
Did you run it in Track Mode?
TC On or Off?
How did you launch?
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Old Feb 11, 2015 | 03:59 AM
  #370  
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Originally Posted by yell03
Nice run!
Did you run it in Track Mode?
TC On or Off?
How did you launch?
Track mode, TC off, launch control.
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Old Feb 11, 2015 | 10:07 AM
  #371  
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Originally Posted by The Rock1
Thank you! Wish they didn't start running as late as they did, the DA that morning at 830am was 1199 at 50 deg. Track opened at 9, They didn't start running cars till 11.
Did you use dragtimes to calculate the DA when you ran? In the post it says -68 but you're saying it was above 1200? I would think your trap speed would have been higher if the DA was negative.
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Old Feb 13, 2015 | 12:36 PM
  #372  
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Originally Posted by 10mm_
Did you use dragtimes to calculate the DA when you ran? In the post it says -68 but you're saying it was above 1200? I would think your trap speed would have been higher if the DA was negative.
it went from -1200 to -68 I was hoping it stayed at the higher DA.
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Old Feb 16, 2015 | 04:47 PM
  #373  
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Man those A8's boogie (random).
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Old Feb 28, 2015 | 02:17 AM
  #374  
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Year of the C7: 2015
Tires used on the pass:Stock Z51 tires
Performance Mods (if any):None, car is Z51 with 8 speed auto, NPP
Category submitted for:Bone stock on stock tires
60'.............1.992
330'...........5.180
660'...........7.776
660’ mph...95.30
1000'..........10.016
1320'..........11.919
1320’ mph…117.89
Name of the track:Royal Purple
Date of pass:2/27/15
Weather conditions: (include Density Altitude, if known):around -1160

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Yes, this is the video from this run, and I'm pretty disappointed at the amount of inaccuracy on the video.



Last edited by OLD_GOAT; Feb 28, 2015 at 03:36 AM.
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Old Feb 28, 2015 | 10:14 AM
  #375  
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Congratulations on your 11 second run. My car can not do a 11 second run with a 1.9 60'......impossible to say the least. A 1.7 60' would probably put you right in the 11.60's. The last time out to the track my 60' was 1.825 with a 11.96 pass. Last run 11.89@117.92 1.782 60'....I had to work for that. Your A8 is really fast. Just curious about the technique you were using.
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Old Feb 28, 2015 | 06:07 PM
  #376  
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Originally Posted by Fore58
Congratulations on your 11 second run. My car can not do a 11 second run with a 1.9 60'......impossible to say the least. A 1.7 60' would probably put you right in the 11.60's. The last time out to the track my 60' was 1.825 with a 11.96 pass. Last run 11.89@117.92 1.782 60'....I had to work for that. Your A8 is really fast. Just curious about the technique you were using.
I did not notice the 1.99 60'.
If he had cut a 1.79 that would drop his 1/4 by 0.4, a 1.69 would drop it by 0.6, fast indeed.
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Old Feb 28, 2015 | 08:42 PM
  #377  
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Originally Posted by yell03
I did not notice the 1.99 60'.
If he had cut a 1.79 that would drop his 1/4 by 0.4, a 1.69 would drop it by 0.6, fast indeed.
Cars that run really good on the back half do not double their 60' at the end, my 2012 coyote was a good example, whatever I picked up to 60 was all I got. My older cars would double the 60' gains religiously but I wouldn't count on that unless you actually see that particular car do it.


Not to say that car isn't fast, it was a very nice run. Did anyone else notice that it short shifted first? I wonder if that is a matter of the telemetry not keeping up with the engine or if it actually shifts out of first earlier.

Also if your indicated 1/4 mile time was that far off then your 0-60 was probably better than shown too, which is awesome.
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Old Feb 28, 2015 | 10:18 PM
  #378  
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Originally Posted by 10mm_
Did anyone else notice that it short shifted first? I wonder if that is a matter of the telemetry not keeping up with the engine or if it actually shifts out of first earlier.
Thanks for pointing this out. On both videos I have, the car apparently short shifted out of first.
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Old Feb 28, 2015 | 11:22 PM
  #379  
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What was really strange is that your 95mph 1/8 mile will actually put your car around 120 trap speed. My car probably had the lowest trap speed of 116 my first time out with 1500 miles on it with a 92.78 1/8 mile and still managed 11.94. But when I reached around 5000 miles things changed strangely. How about 91.81 1/8 mile 11.93@117.57. Evidently my car started picking up on the back half instead of 1/8 mile with the rest of my runs. Having said that, it appears that you may see a change in performance with break-in or additional miles on your car. So "10mm" actually has a point. And I am still trying to figure that out.
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Old Feb 28, 2015 | 11:51 PM
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Originally Posted by Fore58
What was really strange is that your 95mph 1/8 mile will actually put your car around 120 trap speed. My car probably had the lowest trap speed of 116 my first time out with 1500 miles on it with a 92.78 1/8 mile and still managed 11.94. But when I reached around 5000 miles things changed strangely. How about 91.81 1/8 mile 11.93@117.57. Evidently my car started picking up on the back half instead of 1/8 mile with the rest of my runs. Having said that, it appears that you may see a change in performance with break-in or additional miles on your car. So "10mm" actually has a point. And I am still trying to figure that out.
With the ability to make parts to such tight tolerances nowadays and also the fact that rings take a little while (and some good cylinder pressure) to fully seat these newer engines can pick up substantial HP after break in. I've seen modern engines pick up as much as 10 WHP from simply breaking in (after 1000-2000 miles), all the parts wear into together a little initially and you get a tad more compression from rings seating and every little bit helps. Many new engine ECU's have fuel trims that are based on driving preference and history and those can take a little while to come in as well.

Do you guys always run your cars with the same amount of fuel in the tank? Bought from the same station?
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