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Old Apr 3, 2020 | 09:48 PM
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Default 3.2


3.2 full tank, mid 50’s,tires cold Sport mode

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Apr 4, 2020, 08:38 AM
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Old Apr 3, 2020 | 10:06 PM
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And will only get better as the car loosens up with usage.
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Old Apr 3, 2020 | 10:17 PM
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Mid 50's and cold tires isn't the best situation. Not bad considering.
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Old Apr 3, 2020 | 10:47 PM
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got a 3.0 today on 65 deg, car has 600 miles... Z51
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Old Apr 4, 2020 | 08:38 AM
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Old Apr 4, 2020 | 08:41 AM
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Harley, just do like the Youtubers and find a downgrade then post up a 2.7 lol.. done!

Have you run to a 100 yet?

IN the future if you're messing around and it's safe run the car in both directions headwind/tailwind gradient etc. all play a role.
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Old Apr 4, 2020 | 12:11 PM
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Originally Posted by musicman425
got a 3.0 today on 65 deg, car has 600 miles... Z51
Just an FYI GM does not recommend using launch control before 1500 miles...
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Old Apr 4, 2020 | 12:18 PM
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Originally Posted by benplace
Just an FYI GM does not recommend using launch control before 1500 miles...
So the 3.2 sec you managed was without using LC?
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Old Apr 4, 2020 | 01:24 PM
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Originally Posted by benplace
Just an FYI GM does not recommend using launch control before 1500 miles...
many MANY have been using launch control at the 500 mi mark. Just check youtube.. lol
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Old Apr 4, 2020 | 01:33 PM
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Originally Posted by BIG Dave
Nominated for Worst Thread Title Ever.

First thought was some V6 engine rumor lol.
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Old Apr 4, 2020 | 02:17 PM
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I assumed 3.2 was 0-60 time, but don’t want to assume you have a non z51 if you could clarify.
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Old Apr 4, 2020 | 03:09 PM
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Originally Posted by pre-z06
i assumed 3.2 was 0-60 time, but don’t want to assume you have a non z51 if you could clarify.
z51
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Old Apr 4, 2020 | 03:22 PM
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Originally Posted by 19/C7Z
Harley, just do like the Youtubers and find a downgrade then post up a 2.7 lol.. done!

Have you run to a 100 yet?

IN the future if you're messing around and it's safe run the car in both directions headwind/tailwind gradient etc. all play a role.
Down hill grade? Oh, that's right, you were there, you would know for sure. Right?
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Old Apr 4, 2020 | 05:13 PM
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Originally Posted by punky
Down hill grade? Oh, that's right, you were there, you would know for sure. Right?
nope. But the videos dont lie punky.

Wide view..

Zoom in

Looks flat to me...

Youtube.. as bad as fakebook.



And our fastest to date has yet to do a two way run.. right? Or did I miss that back to back on pdr both ways? Lol

The car is very capable. But it is a shame to pretend it is something it isn't. Just my opinion.

Last edited by 24/Eray; Apr 4, 2020 at 05:19 PM.
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Old Apr 4, 2020 | 08:34 PM
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Originally Posted by 19/C7Z
nope. But the videos dont lie punky.

Wide view..

Zoom in

Looks flat to me...

Youtube.. as bad as fakebook.



And our fastest to date has yet to do a two way run.. right? Or did I miss that back to back on pdr both ways? Lol

The car is very capable. But it is a shame to pretend it is something it isn't. Just my opinion.
So you can determine grade from a video and a rather poor one at that. Simply amazing but it if helps you with your conspiracy theory then have at it Dude.
Still clinging to the idea that GM, MT, C&D, and now numerous Youtubers are all involved in an elaborate coordinated scam to falsify performance stats and create a misunderstanding that the C8 is as fast or faster than your C7 0-60.
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Old Apr 4, 2020 | 08:40 PM
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Originally Posted by 19/C7Z
Harley, just do like the Youtubers and find a downgrade then post up a 2.7 lol.. done!

Have you run to a 100 yet?

IN the future if you're messing around and it's safe run the car in both directions headwind/tailwind gradient etc. all play a role.
Then this must be downhill too, right?


Some of the YouTube *may* be downhill, but camera perspective does lie.
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Old Apr 4, 2020 | 09:03 PM
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^^^^^ This.
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Old Apr 5, 2020 | 01:05 AM
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Originally Posted by benplace
Just an FYI GM does not recommend using launch control before 1500 miles...
It seems to me that the water temp is 160ish degrees, which means the oil can't be warmer than about 130 by this point. This is how mine warms up. It takes quite a while for engine oil temps to normalize. Point is, I doubt it's a great idea to be using launch control until all fluids are at "operating" temp. I'd also assume the car could make and put more power to the wheels as lubricants warm.
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Old Apr 5, 2020 | 05:49 AM
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Originally Posted by 19/C7Z
nope. But the videos dont lie punky.
There is no way to tell from the videos whether it's flat or not, since there is no known-flat distant horizon (such as a body of water) to compare it to. Might be flat with an uphill section at the end. Rotate the camera a little, and it can just as easily look like 5 degrees uphill.
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Old Apr 5, 2020 | 09:36 AM
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Originally Posted by Peppino Esposito
It seems to me that the water temp is 160ish degrees, which means the oil can't be warmer than about 130 by this point. This is how mine warms up. It takes quite a while for engine oil temps to normalize. Point is, I doubt it's a great idea to be using launch control until all fluids are at "operating" temp. I'd also assume the car could make and put more power to the wheels as lubricants warm.
I agree coolant warms up faster than oil and always waited for my oil temps to hit 130* before beating on the car. Warmer lubricants do have slightly less parasitic loss, but didn’t show much of a difference on dyno in my experience with full synthetic engine oils. Not sure the threshold on the C8, but once coolant temps get over a certain point timing will be pulled which will lessen power as well. Maybe someone who’s logged one will chime in, so we can know the sweet spot.
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