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Old 11-07-2013, 05:01 PM   #1
big dave
 
Drives: '13 BRM ZL1
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How did you run your fastest stock times?

I see there are a couple guys who have run in the 11.7s with their stock ZL1s....how? I've run in different conditions, and as far as I can see, I have the best 60' time for stock tires. 1.74. Yet, my best time has been 11.99 @ 118.8. How is it possible to run quicker times on stock tires? They are pretty much useless below 60 degrees. My ls1 SS would always run a new best at Cecil county raceway in December with negative da weather conditions...even on street tires. That car has run 11.7s on street tires on a cold track, with a manual. There is no way in hell the stock tires on the ZL1 would think about hooking in those conditions.
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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 11-07-2013, 07:53 PM   #2
white ZL1

 
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I think we're going to need both incredible track prep and low DA to go 11.7x's.

Was your 11.99@118.8 pass done in Sport mode? T/C and Stabilitrak off? PTM mode?

I'd kill for your 118.8.

I'm going to try one more time on the 16th.
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Old 11-07-2013, 08:07 PM   #3
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When my car was bone stock, I got a 1.76 on stock tires but only ran 12.3@113 because it was 95 degrees and humid that day. All about the DA!!
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#917 A6. 10.67@126.2 1.53 60' ATI/Lingenfelter balancer (10" ring), stock upper pulley, 90mm TB, ID850s,Rotofab/Lingenfelter intercooler reservoir, Cooler Logic HX, Lingenfelter idler relocation bracket, NGK TR7ix, 160 t-stat, Dewitts Radiator, Texas Speed 1 7/8" headers(no cats). M&H drag radials 325/45-17 & M&H 28x4.5" bias skinnies. Tuning by Frost at Performance Autosport in Richmond, VA (804) 358-2505
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Old 11-07-2013, 08:09 PM   #4
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Oh...MIR has a open track rental Nov 16th. I am going. $100 a car...good times!
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#917 A6. 10.67@126.2 1.53 60' ATI/Lingenfelter balancer (10" ring), stock upper pulley, 90mm TB, ID850s,Rotofab/Lingenfelter intercooler reservoir, Cooler Logic HX, Lingenfelter idler relocation bracket, NGK TR7ix, 160 t-stat, Dewitts Radiator, Texas Speed 1 7/8" headers(no cats). M&H drag radials 325/45-17 & M&H 28x4.5" bias skinnies. Tuning by Frost at Performance Autosport in Richmond, VA (804) 358-2505
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Old 11-07-2013, 10:16 PM   #5
big dave
 
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Quote:
Originally Posted by white 2SS/RS View Post
I think we're going to need both incredible track prep and low DA to go 11.7x's.

Was your 11.99@118.8 pass done in Sport mode? T/C and Stabilitrak off? PTM mode?

I'd kill for your 118.8.

I'm going to try one more time on the 16th.
I was in PTM 5 when I ran that time. The car is very inconsistent and puzzling at times. On another 11.99 pass, I was .1 slower to the 60' and 1 mph slower than my first 11.99 pass.

Quote:
Originally Posted by Stephen12ZL1 View Post
Oh...MIR has a open track rental Nov 16th. I am going. $100 a car...good times!
I may have to check that out, are there any more slots available?
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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 11-08-2013, 05:27 AM   #6
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Yes...no need to prepay or sign up. Just show up with $100 cash and run. If everyone shows up, there might be as many as 6 ZL1s there
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#917 A6. 10.67@126.2 1.53 60' ATI/Lingenfelter balancer (10" ring), stock upper pulley, 90mm TB, ID850s,Rotofab/Lingenfelter intercooler reservoir, Cooler Logic HX, Lingenfelter idler relocation bracket, NGK TR7ix, 160 t-stat, Dewitts Radiator, Texas Speed 1 7/8" headers(no cats). M&H drag radials 325/45-17 & M&H 28x4.5" bias skinnies. Tuning by Frost at Performance Autosport in Richmond, VA (804) 358-2505
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Old 11-08-2013, 06:42 AM   #7
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From what I have read, the 11.7's have been run in cooler weather. Turn off all nannies, take it to 2,500-2,750 RPM's and dump it. It CAN be done, good luck!!!
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Old 11-08-2013, 06:50 AM   #8
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Quote:
Originally Posted by big dave View Post
I was in PTM 5 when I ran that time. The car is very inconsistent and puzzling at times. On another 11.99 pass, I was .1 slower to the 60' and 1 mph slower than my first 11.99 pass.

I may have to check that out, are there any more slots available?
I run consistant 12.2-12.4 at 116-118 in mode 5 with a 2.0 60ft
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Old 11-08-2013, 05:02 PM   #9
big dave
 
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The question isn't whether the car has the power, I just don't understand how anyone has gotten the stock tires to stick well enough on a cold day to run those numbers.
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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 11-09-2013, 06:09 PM   #10
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Stop doing burnouts.. ens story.. period.. dont argue..

This has been asked several times.. you do your burnout, your I.a.ts are already so high its pulling timing before the 60 foot..

roll through, burp it to clean them off and prey to the track prep gods...
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Old 11-09-2013, 07:16 PM   #11
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Quote:
Originally Posted by The Baron View Post
Stop doing burnouts.. ens story.. period.. dont argue..

This has been asked several times.. you do your burnout, your I.a.ts are already so high its pulling timing before the 60 foot..

roll through, burp it to clean them off and prey to the track prep gods...
I'm not disagreeing Baron, because it seems like you know your shit, but....

I've got multiple datalogs in HP Tuners that show my IAT2 only rising 2 degrees with a 3 to 4 second burnout. And it doesn't rise again until I'm back in the throttle after launch.
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Old 11-09-2013, 10:25 PM   #12
Pro Stock John
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Air up your fronts to 55-60 psi to minimize the tire's contact patch. Does make a difference.
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Old 11-10-2013, 04:35 AM   #13
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3-4 seconds at a lower rpm will not create big heat. I see guys doing these big burnouts then cry they are going slow.
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