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C6 Z06 New Best 7.75 @ 184.10

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Old 03-20-2024, 11:51 AM
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NicD
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Default C6 Z06 New Best 7.75 @ 184.10

Went out to TX2K24 and ran the C6 Z06, was trying to stay out of the fastest street car class because I've got nothing for some of those guys. I really wanted to stay off the bubble and stick around a 7.80 or something like that but it ended up running a bit quicker on this pass which put me in the fastest class. Good thing a couple more 6 second cars showed up on the last day and bumped me into the 2nd class. There is only a few more psi left in it with these little 68/70s and I can leave a bit harder with more RPM and a more aggressive ramp to get that 60' down a bit more. Of course in the eliminations I turned it up a bit and it was on a rip when the charge pipe blew off somehow, it would have been a low 7.6x pass too based on the 60' and 330'... oh well.



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Old 03-20-2024, 12:54 PM
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m60gov20
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Congrats! That's a bad *** ride. Do you care to share your 60' and 1/8 time?
Old 03-20-2024, 01:13 PM
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NicD
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Originally Posted by m60gov20
Congrats! That's a bad *** ride. Do you care to share your 60' and 1/8 time?
Sure, on that pass it went 1.264 to the 60' and 5.021 @ 143.43 at the 1/8th mile. I was trying to keep the boost ramp in check so it didn't push up too far in qualifying but my wastegates have terrible priority on this kit and I'm not running CO2 yet either so it takes what I'm commanding mostly as a suggestion. LOL My last elimination pass when I turned it up a bit more it went 1.22 to the 60' but then the charge pipe blew off and it was game over at that point.
Old 03-20-2024, 01:19 PM
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Originally Posted by NicD
Sure, on that pass it went 1.264 to the 60' and 5.021 @ 143.43 at the 1/8th mile. I was trying to keep the boost ramp in check so it didn't push up too far in qualifying but my wastegates have terrible priority on this kit and I'm not running CO2 yet either so it takes what I'm commanding mostly as a suggestion. LOL My last elimination pass when I turned it up a bit more it went 1.22 to the 60' but then the charge pipe blew off and it was game over at that point.
Bad ***! I assume its the Z? You still have the ZR1?
Old 03-20-2024, 01:40 PM
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NicD
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Originally Posted by m60gov20
Bad ***! I assume its the Z? You still have the ZR1?
Yes and yes. Haven't really done much more with the C7 ZR1, want to leave that as just simple bolt ons.
Old 03-20-2024, 07:55 PM
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I didn’t get to see you run in person but I had the pleasure of talking to Joe some in the line on the way up. Cordes definitely brought some heat this year. Way to represent, great job. 👊
Old 03-20-2024, 10:42 PM
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great work!
Old 03-21-2024, 11:20 AM
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NicD
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Originally Posted by GAMEOVR
I didn’t get to see you run in person but I had the pleasure of talking to Joe some in the line on the way up. Cordes definitely brought some heat this year. Way to represent, great job. 👊
Thanks, we tried! We all qualified pretty well where we wanted to and tried to have a car in each class for street car but things just didn't line up in eliminations with stupid problems that took us out.
Old 03-21-2024, 04:23 PM
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Missing 2k down here in htown...always made for some fun evenings rolling around town checking out the insane cars that like to head out late night

Killer pass. Bet that thing feels like a rocketship
Old 03-22-2024, 11:10 AM
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NicD
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Yeah it felt pretty good but I know there is a bit left in it, time to pull some weight out of this thing though. Right now it's heavier than stock and it's time to get a bit more serious with it.
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Old 03-22-2024, 03:05 PM
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Nice pass!! You're really squeezing out everything those 68's have to offer. Just curious are you measuring backpressure and what size hotsides? What sort of boost did it take to run the numbers you ran?
Old 03-22-2024, 03:21 PM
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Originally Posted by Creamo3
Nice pass!! You're really squeezing out everything those 68's have to offer. Just curious are you measuring backpressure and what size hotsides? What sort of boost did it take to run the numbers you ran?
No I'm not and I don't want to know. LOL! They've got the .96 A/R T4 housings and it's making right around 25-26 psi of boost right now. I'll be re-doing the turbo kit at some point to move the turbos forward and probably switching to some Xonas with big v-bands in the process.
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Old 03-22-2024, 03:34 PM
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Originally Posted by NicD
No I'm not and I don't want to know. LOL! They've got the .96 A/R T4 housings and it's making right around 25-26 psi of boost right now. I'll be re-doing the turbo kit at some point to move the turbos forward and probably switching to some Xonas with big v-bands in the process.
Nice lol! I just swapped from .88 T4 housings and 46mm gates to 1.28 v-band housings and 60mm gates with bigger compressor/turbine wheels. I wasn't measuring backpressure previously but I know it probably wasn't good. I added a few BP sensors for the new setup so that I can measure now. The FP Xona's are nice turbos - good luck with the new setup
Old 03-23-2024, 02:50 AM
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That is straight smooovin. I've got similar sized turbos and had goals of just running low 9's through a 6L, this almost makes me want to entertain a glide....
Old 03-24-2024, 03:41 AM
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Originally Posted by NicD
Went out to TX2K24 and ran the C6 Z06, was trying to stay out of the fastest street car class because I've got nothing for some of those guys. I really wanted to stay off the bubble and stick around a 7.80 or something like that but it ended up running a bit quicker on this pass which put me in the fastest class. Good thing a couple more 6 second cars showed up on the last day and bumped me into the 2nd class. There is only a few more psi left in it with these little 68/70s and I can leave a bit harder with more RPM and a more aggressive ramp to get that 60' down a bit more. Of course in the eliminations I turned it up a bit and it was on a rip when the charge pipe blew off somehow, it would have been a low 7.6x pass too based on the 60' and 330'... oh well.



https://www.youtube.com/watch?v=m8t6B46uzis
Congrats , would you mind to share the setup ,boost in this run and fuel used ?
Old 03-25-2024, 11:23 AM
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Originally Posted by wesam
Congrats , would you mind to share the setup ,boost in this run and fuel used ?
It's an LS7 based 427 LSR block with twin 6870s making ~25 psi of boost on E85. I've got pictures, etc on my website gonicd.com
Old 03-25-2024, 11:44 AM
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Originally Posted by NicD
It's an LS7 based 427 LSR block with twin 6870s making ~25 psi of boost on E85. I've got pictures, etc on my website gonicd.com
What CR ? How those 6870 spool with 427 CI ?

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Old 03-25-2024, 11:52 AM
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NicD
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Originally Posted by wesam
What CR ? How those 6870 spool with 427 CI ?
It's around 10:1 compression and these turbos light up pretty quickly.
Old 03-26-2024, 03:48 PM
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Congrats on your pb! What cage do you have? I am trying to run the same times but don't want anything more then a 10 point. I see a few cars competing running low 7s with only only a 10 point. Not sure how they allow that.
Old 03-26-2024, 03:49 PM
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Originally Posted by douniasg
Congrats on your pb! What cage do you have? I am trying to run the same times but don't want anything more then a 10 point. I see a few cars competing running low 7s with only only a 10 point. Not sure how they allow that.
Not enough, it's an RPM Rollbars 8.50 cage. What is allowed and what isn't is up to the track and their rules, some places are more lenient than others...
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