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C7-E85-Ring-June!

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Old Feb 17, 2013 | 04:47 PM
  #21  
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Default Yeap, just call me?

Originally Posted by petermj
Keep dreaming, it will never happen unless GM fudges the results. And you actually do not know anything regarding the parameters you mentioned, thus, you can assume all you want.
A Master of the obvious!

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Old Feb 17, 2013 | 04:50 PM
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Originally Posted by Davy_Baby9
Ah yes, the "I don't trust anything positive GM says about the C7" guy.
What is GM actually saying? There were people predicting end of the world taking place in 2012. Gotta give you credit for being truly committed to the C7 cause
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Old Feb 17, 2013 | 04:55 PM
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Originally Posted by johnglenntwo
A Master of the obvious!

Some people will never get the obvious things, no matter what the reality is. Lighter car with more horsepower and larger tires and somehow C7 will be walking all over it? This may be a good time for OP to have his head examined.
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Old Feb 17, 2013 | 04:58 PM
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Default Sure!

Originally Posted by Shurshot
Icing on the cake for the Z51 C7 would be a quicker standing start time than the original LS7 ZO6 with its wider tires
If they went shorter on the gears, and or auto. The tall 1st already has room for the E85, and can already be faster. That's really got Joe steaming when I proposed that reality. Anyway, Joes quite so I must be tracking pretty good now.


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Old Feb 17, 2013 | 05:11 PM
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Default Lighter Car?

Originally Posted by petermj
Some people will never get the obvious things, no matter what the reality is. Lighter car with more horsepower and larger tires and somehow C7 will be walking all over it? This may be a good time for OP to have his head examined.


What? But, a lighter car would need larger tires. It is called a smaller coefficient of friction. A little basic engineering can get you into all kinds of .....

And the Z07 isn't lighter!
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Old Feb 17, 2013 | 05:14 PM
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Originally Posted by petermj
Seeing is believing, go back to the rest of the C7 sheep.
Enjoy!

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Old Feb 17, 2013 | 05:16 PM
  #27  
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Originally Posted by johnglenntwo


What? But, a lighter car would need larger tires. It is called a smaller coefficient of friction. A little basic engineering can get you into all kinds of .....

And the Z07 isn't lighter!
Well, good, maybe C7 can really shine on bicycle tires then, coefficient of friction will be considerably smaller, never mind inability to lay the power to the ground or loss of handling. If your statement was true, base C6 would outrun C6 Z06 as well.
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Old Feb 17, 2013 | 05:20 PM
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Originally Posted by BlueOx
Enjoy!
Too ghastly to enjoy, let us see the performance numbers and times after assurances are put to real life test. Maybe like the specifications, we will get some more assurances at that time instead of real figures?
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Old Feb 17, 2013 | 05:21 PM
  #29  
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Default Not going to do this forever!

Originally Posted by petermj
Well, good, maybe C7 can really shine on bicycle tires then, coefficient of friction will be considerably smaller, never mind inability to lay the power to the ground or loss of handling. If your statement was true, base C6 would outrun C6 Z06 as well.
The base C6 didn't have all the stuff! Doesn't it just jump out at you that this car has a purpose?




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Old Feb 17, 2013 | 05:24 PM
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Originally Posted by johnglenntwo
The base C6 didn't have the all the stuff! Doesn't it just jump out at you that this car has a purpose?



what stuff? GM hot air or general masses wishful thinking? Did GM add secret sauce to C7 to make it work better?
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Old Feb 17, 2013 | 05:46 PM
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Originally Posted by petermj
Too ghastly to enjoy, let us see the performance numbers and times after assurances are put to real life test. Maybe like the specifications, we will get some more assurances at that time instead of real figures?
Enjoy more!




Last edited by BlueOx; Feb 17, 2013 at 05:48 PM.
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Old Feb 17, 2013 | 07:10 PM
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Originally Posted by BlueOx
Enjoy more!



can you actually afford C7?
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Old Feb 17, 2013 | 08:12 PM
  #33  
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Originally Posted by thebrander
The 3rd gen MR suspension and PTM will allow it to turn a faster lap than a Z06 (too bad we don't have a running start time for it), but probably not a Z07.
"The guys who've run mules at VIR are getting lap times competitive with today's Z06."


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Old Feb 17, 2013 | 08:35 PM
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Originally Posted by johnglenntwo
"The guys who've run mules at VIR are getting lap times competitive with today's Z06."


Another vague statement. What does "competitive" really mean? "Slightly" slower? Keeping up with Z06? Z06 with run flats or with Sport Cups? Ceramic brakes? Standard brakes? Interesting that no comparisson with base C6? This should be easy, C7 should have lap times much better than base C6, why no such statement? By the same account, Z06 has very competitive times with ZR1, why not just bump it up a notch?
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Old Feb 18, 2013 | 05:44 AM
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Originally Posted by jbs02somws6
Sorry man to burst your bubble, but 90+ percent of the difference in on-track performance between a z07 and base z06 is TIRES, period. The base Goodyear s are absolutely horrendous. And yeah ive driven a carbon 2011. F55 does feel much better on the street for sure though.
No bubble bursting.....my car has Michelin PS2's on it now. And I'm not talking about street driving,I'm talking about track performance.

I hate the factory GY's as much as anyone & have been vocal about it. But give the devil his due,when new the GY's have very good lateral grip and do well on the track. Unfortunately,when slightly worn,they howl like a banshee & lose grip at around the 4-5k mile mark.

Last edited by redzone; Feb 18, 2013 at 05:50 AM.
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Old Feb 18, 2013 | 01:24 PM
  #36  
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Originally Posted by petermj
Well, good, maybe C7 can really shine on bicycle tires then, coefficient of friction will be considerably smaller, never mind inability to lay the power to the ground or loss of handling. If your statement was true, base C6 would outrun C6 Z06 as well.
A coefficent of friction is for a material, IE rubber. Friction, or grip, or hook, stands alone with the material, tire patch, weight, and various forces (which are less in the C7) factored in.

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Old Feb 18, 2013 | 01:51 PM
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Default Checking this out!

Originally Posted by petermj
Another vague statement. What does "competitive" really mean? "Slightly" slower? Keeping up with Z06? Z06 with run flats or with Sport Cups? Ceramic brakes? Standard brakes? Interesting that no comparisson with base C6? This should be easy, C7 should have lap times much better than base C6, why no such statement? By the same account, Z06 has very competitive times with ZR1, why not just bump it up a notch?
Yeah, I thought the same thing so I checked it out. Today's Z06 seems be the works with the possibly the exclusion of PTM, MPSC's and the extra fiber. But, considering all the success that today's Z06 has mustered that is doubtful!

The C7 has to be efficient the so called wide body is not. Every inefficient element has been cancelled so far in the C7. The big mouth is replaced by the smaller C6 base like front intake scheme, and the E85 bump, all lessoning drag running cooler. The bigger wheels, tires, and flares are replaced by smaller ones decreasing unsprung weight and wasteful drag. The Super Sports are supposed to be awesome tires and they certainly play a big role in their C7 design exercise. Their use and all the C7 torque is converted into less unsprung weight and more aero down force. It all makes perfect sense for a smaller battleship that moves like a Stingray!


Last edited by johnglenntwo; Feb 18, 2013 at 01:58 PM.
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Old Feb 18, 2013 | 02:00 PM
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The switch to Michelin tires is going to help the C7 on the track and at the ring, no doubt, but the sizes compared to the current Z06 are going to hurt it a bit. The real question is what the power rating of the LT1 in the C7 is going to be set at. I predict the original C6 Z06 time to be in trouble, but I doubt the C7 is going to come near the Z07/carbon editions in terms of time. That will probably be the stock C7 Z06 goal and, hopefully, there will be a C7 Z06 "carbon" edition down the road that will push the line back another few seconds.
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Old Feb 18, 2013 | 02:07 PM
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Default Maybe!

Originally Posted by WhiteDiamond
The switch to Michelin tires is going to help the C7 on the track and at the ring, no doubt, but the sizes compared to the current Z06 are going to hurt it a bit. The real question is what the power rating of the LT1 in the C7 is going to be set at. I predict the original C6 Z06 time to be in trouble, but I doubt the C7 is going to come near the Z07/carbon editions in terms of time. That will probably be the stock C7 Z06 goal and, hopefully, there will be a C7 Z06 "carbon" edition down the road that will push the line back another few seconds.
If they have to they have to! The bottom line data will be clear for all to see.

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Old Feb 18, 2013 | 03:06 PM
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Originally Posted by johnglenntwo
Yeah, I thought the same thing so I checked it out. Today's Z06 seems be the works with the possibly the exclusion of PTM, MPSC's and the extra fiber. But, considering all the success that today's Z06 has mustered that is doubtful!

The C7 has to be efficient the so called wide body is not. Every inefficient element has been cancelled so far in the C7. The big mouth is replaced by the smaller C6 base like front intake scheme, and the E85 bump, all lessoning drag running cooler. The bigger wheels, tires, and flares are replaced by smaller ones decreasing unsprung weight and wasteful drag. The Super Sports are supposed to be awesome tires and they certainly play a big role in their C7 design exercise. Their use and all the C7 torque is converted into less unsprung weight and more aero down force. It all makes perfect sense for a smaller battleship that moves like a Stingray!

widebody has increased drag but makes up with better lift reduction. I guess this is the best GM could come up with. May not be the best solution but apparently works, plus it keeps clear guard sellers in business.
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