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2014 z06, & zr1

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Old 05-06-2013, 12:05 PM
  #21  
sam90lx
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Originally Posted by Bill17601
To the original thread. It is a given, in my opinion, that Corvette will have a higher performing model then the one introduced in January. In fact again in my opinion the Z51 will have a higher horsepower then the Stingray. But it is a wait and see.
Wishful thinking Bill. The only thing higher on the Z51 will be the price and weight.
Old 05-06-2013, 12:08 PM
  #22  
robvuk
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Originally Posted by Kappa
I don't know how guys guys except Cayman, Evora type steering feel in a car with front tires wider than their rear tires and more weight on the nose than either.

That being said, the new 911's steering is nothing to write home about and I think the C7 should be able to match it.

For those hoping that the C7 will "feel" like an Evora or a Cayman, no matter how great the steering is, it will not "feel" the same. Those are REAR ENGINE cars with SUB 3000 lbs. and the storage space equivalent to a lunchbox. It's just not going to happen. Just as the Evora will never match the "feel" of a shifter cart.
Old 05-06-2013, 12:40 PM
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Notch
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Originally Posted by racebum
someone needs to take a GM engineer and sit them in a lotus evora, honda s2000 and porsche cayman and let them feel with steering input should feel like
I'm not sure doing that would produce any big results, because as stated above by robvuc and Kappa, it's the Vettte's chassis design and tires that ultimately impacts the steering feel.

Last edited by Notch; 05-06-2013 at 12:43 PM.
Old 05-06-2013, 02:40 PM
  #24  
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Originally Posted by Bristol
Since Chevy has annouced that they are dropping the 7 liter 505 engine in tCamero Z1, see this weeks Autoweek, what you you guess will the HP and engine be in the 2014 Z06 and ZR1?
You mean 2015 Zxx right?
Old 05-06-2013, 03:31 PM
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Racer X
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Originally Posted by sam90lx
Wishful thinking Bill. The only thing higher on the Z51 will be the price and weight.
The lateral acceleration and braking rates will be higher as well. It is not all about the negatives.
Old 05-06-2013, 03:45 PM
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MR's C7
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The Z51 is simply a "suspension" package...I just ordered a Z51 C7 Saturday, and the only performance enhancing option available is the Dual Performance Exhaust system. I added that to my car, and then contacted Hennessey about adding their Cold Air Intake to it on day one. They told me that the car will make 470 factory HP according to the word they have gotten. Said with the exhaust option, and their CAI that my car will make the same, or just slightly higher HP than the current Z06 model.
Old 05-06-2013, 04:18 PM
  #27  
Bill17601
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Originally Posted by sam90lx
Wishful thinking Bill. The only thing higher on the Z51 will be the price and weight.
Ok we need a friendly wager.. Since we disagree. Going to find out soon.
Old 05-06-2013, 04:24 PM
  #28  
Bill17601
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Originally Posted by MR's C7
The Z51 is simply a "suspension" package...I just ordered a Z51 C7 Saturday, and the only performance enhancing option available is the Dual Performance Exhaust system. I added that to my car, and then contacted Hennessey about adding their Cold Air Intake to it on day one. They told me that the car will make 470 factory HP according to the word they have gotten. Said with the exhaust option, and their CAI that my car will make the same, or just slightly higher HP than the current Z06 model.
Really? Did you forget the dry sump? You are sure that the air intake on the C7 can be improved upon? Just because it looks"cool" doesn't mean it is. But hey it's your coin.
Old 05-06-2013, 07:45 PM
  #29  
sam90lx
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Originally Posted by Bill17601
Ok we need a friendly wager.. Since we disagree. Going to find out soon.
I love money! So you want to bet the Z51 puts out more HP the the base C7?
Old 05-06-2013, 08:33 PM
  #30  
RC000E
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All I know is, I can't wait to see the rush of badass vettes at SEMA this year! You know who will be there as always! This guy...this guy right here...haha
Old 05-06-2013, 08:34 PM
  #31  
Bill17601
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Not money. Maybe Pizza or Starbucks gift certificate. Yes the Z51 will make more power..

Sam...to remind you ..you said the C7 NPP was vacuum while I said it was electric.

Last edited by Bill17601; 05-06-2013 at 08:58 PM.
Old 05-06-2013, 10:17 PM
  #32  
sam90lx
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Originally Posted by Bill17601
Not money. Maybe Pizza or Starbucks gift certificate. Yes the Z51 will make more power..

Sam...to remind you ..you said the C7 NPP was vacuum while I said it was electric.
I like Pizza.

Both cars with the same exhaust correct?
Old 05-07-2013, 06:53 AM
  #33  
Bill17601
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Yes.. Both cars with the same exhaust. You think I would cheat with the exhaust system?
No I think it has to do with the dry sump. But it is only a guess...
Old 05-07-2013, 07:27 AM
  #34  
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Originally Posted by SBC_and_a_stick
I
DI gave a higher compression but took away some intake valve room. A performance NA version would need far more than 7 liters of displacement and CNC heads to get to 575hp. We're talking about upgraded VVT(L).
I am old school and if my understanding about direct injection is wrong I am sure someone will come along and correct me.

However, my understanding of direct injection is that it supports higher compression because in conjunction with a better design combustion chamber gives a more even and precise burn significantly reducing the chances of pre-detonation.

Because it is precise it does not need the larger intake valve that motors without direct injection do need. However it still needs the larger exhaust valve as well as a controlled duration for velocity management of extracting spent gases.

Just my $.02 worth
Old 05-07-2013, 08:28 AM
  #35  
Bill17601
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You are spot on. That is why they can use low octane fuels.
Old 05-07-2013, 08:32 AM
  #36  
Dominic Toretto
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Am I the only person that would be much happier with LESS models to choose from? I really loved the C5 take, that you either had a Corvette or a faster Corvette.

-Alex
Old 05-07-2013, 09:59 AM
  #37  
sam90lx
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Originally Posted by Bill17601
Yes.. Both cars with the same exhaust. You think I would cheat with the exhaust system?
No I think it has to do with the dry sump. But it is only a guess...
Well they may Dyno out different but GM will rate them the same I would think.

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Old 05-07-2013, 11:16 AM
  #38  
JoesC5
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Originally Posted by Shurshot
I am old school and if my understanding about direct injection is wrong I am sure someone will come along and correct me.

However, my understanding of direct injection is that it supports higher compression because in conjunction with a better design combustion chamber gives a more even and precise burn significantly reducing the chances of pre-detonation.

Because it is precise it does not need the larger intake valve that motors without direct injection do need. However it still needs the larger exhaust valve as well as a controlled duration for velocity management of extracting spent gases.

Just my $.02 worth
Spraying the fuel into the hot air in the combustion chamber also cools the air, lowering the chance of pre-ignition. GM also added piston oil squirters to help cool the pistons to the GenV engines.
Old 05-07-2013, 11:32 AM
  #39  
Bill17601
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Originally Posted by sam90lx
Well they may Dyno out different but GM will rate them the same I would think.
I like plain pizza..you will get by cheap.
Old 05-07-2013, 11:36 AM
  #40  
sam90lx
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Originally Posted by Bill17601
I like plain pizza..you will get by cheap.
Im gonna need a video of both cars on the same dyno on the same day at the same time!
And the same tranny!


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