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ZR1 Powertrain predictions

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Old 04-20-2024, 06:43 AM
  #81  
Z0HS1CK
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Originally Posted by PuffC8
It’s been mentioned a lot. Different speculations but ultimately the same. That the Zora will be a super limited edition (numbered, 1-xxx?) version of the ZR1. A hyper-car of sorts, most likely the last handful of ZR1s produced.
Definitely possible. I was one of the first, if not the first to even assume this.

I gotta hit up the casinos when i visit RF this summer! lol
Old 04-20-2024, 07:17 AM
  #82  
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Old 04-20-2024, 07:43 AM
  #83  
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Originally Posted by Z0HS1CK
Definitely possible. I was one of the first, if not the first to even assume this.
You're pretty full of yourself. And other stuff.
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Old 04-20-2024, 08:55 AM
  #84  
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Originally Posted by jvp
You're pretty full of yourself. And other stuff.

Very bizarre, childlike need for constant validation about something nobody cares about. A legend in his own mind apparently.
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Old 04-20-2024, 09:12 AM
  #85  
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Originally Posted by PRE-Z06
I find it hard to imagine the Zora as hybrid twin turbo Corvette as it’s going to be such a porker, what if the Zora is a package on the ZR1 like the ZTK was on the C7 and it’s a hardcore lightweight track option instead (CF wheel, Cup 2Rs, big **** etc) as Zora was a racer?
if they do it, I think they’d trim a lot of weight off the hybridized version. Enough to where it has a similar or even lower weight than the regular ZR1, even with the added batteries and electric drive system. Money won’t be an object on a super limited, hyper-car like, version with an MSRP through the roof.
Old 04-20-2024, 09:41 AM
  #86  
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Yep, throw a bunch of magnesium in if you have a customer base that will pay for it. They'll offset the weight. Looking forward to seeing how they do it.
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Old 04-20-2024, 10:14 AM
  #87  
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Just to add to my previous guess of hybrid, twin-turbo 5.5L CPC: Corvette ZR1(000) for 1000hp. Why not?
Old 04-20-2024, 10:28 AM
  #88  
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That could be the "unthinkable" part too.

Separate but same entity if that makes sense lol.

Old 04-20-2024, 10:45 AM
  #89  
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Originally Posted by PuffC8
if they do it, I think they’d trim a lot of weight off the hybridized version. Enough to where it has a similar or even lower weight than the regular ZR1, even with the added batteries and electric drive system. Money won’t be an object on a super limited, hyper-car like, version with an MSRP through the roof.
Originally Posted by ZRacerLE
Yep, throw a bunch of magnesium in if you have a customer base that will pay for it. They'll offset the weight. Looking forward to seeing how they do it.

At the prices they will likely charge, I'm hoping they do this for the ZR1. I rather they produce a smaller displacement, TT engine that outputs 800hp with these light weighting measures than some 850+hp bloated monster that doesn't address weight savings to at least offset the FI application.
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Old 04-21-2024, 06:56 PM
  #90  
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ZR1. LT7 FPC V8TT version of the LT6, 845 - 905 hp. Liquid intercoolers with interchiller for hero runs. 0-60 in the lower twos. Pure ICE variant.

Zora. To come after LT7 production quality is sorted. Basically a ZR1 with the E-Ray’s eBooster front axle. Interchiller will be reserved for battery cooling since the eBooster will make every run a hero run. 0-60 around two seconds.

Open question: how is turbo lag addressed? Twin scroll with low redline to keep compressors in efficiency band? VGT? I suspect they’ll aim to keep it cheap to manufacture so not a VGT. C9 Z06 will probably use an updated version of the LT7.
Old 04-21-2024, 07:00 PM
  #91  
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They’re definitely twin scrolls based on the leaked parts descriptions for LT7 from
a few months back
Old 04-22-2024, 12:09 AM
  #92  
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Originally Posted by Zaro Tundov
ZR1. LT7 FPC V8TT version of the LT6, 845 - 905 hp. Liquid intercoolers with interchiller for hero runs. 0-60 in the lower twos. Pure ICE variant.

Zora. To come after LT7 production quality is sorted. Basically a ZR1 with the E-Ray’s eBooster front axle. Interchiller will be reserved for battery cooling since the eBooster will make every run a hero run. 0-60 around two seconds.

Open question: how is turbo lag addressed? Twin scrollwith low redline to keep compressors in efficiency band? VGT? I suspect they’ll aim to keep it cheap to manufacture so not a VGT. C9 Z06 will probably use an updated version of the LT7.
I thought there was a leak already answering this question.
Old 04-22-2024, 10:02 AM
  #93  
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Originally Posted by Zaro Tundov
how is turbo lag addressed?
If you've driven a 720S or 488 this is a non-issue with modern cars today...
Old 04-26-2024, 09:59 PM
  #94  
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Originally Posted by Racer X
Then it would be an awesome basis for a truck engine. Or without turbos a basis for a base Corvette engine.
Or a basis for the most powerful domestic engine ever produced?

Or would it need a 180 degree crank and short rods to make any power?
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Old 04-27-2024, 12:08 AM
  #95  
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Originally Posted by PRE-Z06
Tadge going out with a bang on most likely the last ICE only Corvette ever revealed…
https://www.caranddriver.com/news/a6...ineer-retires/
I just heard the reveal isn't until at least September. Tadge is retiring in July, which is a bit of a shame. I would have liked to have had him introduce the ZR1.
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Old 04-30-2024, 12:16 AM
  #96  
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This guy claims he heard a GM engineer say that the ZR1 would not have a FPC. I find it hard to believe an engineer would spill the beans on this, unless he/she was given prior approval to throw out teasers. Go to 18:03.

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Old 04-30-2024, 07:18 AM
  #97  
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Originally Posted by GrandSport 2017
Or a basis for the most powerful domestic engine ever produced?

Or would it need a 180 degree crank and short rods to make any power?

So much for Nostradumbas and his prediction the LT7 wouldn't reach the 800hp mark.
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Old 04-30-2024, 11:47 AM
  #98  
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Originally Posted by GrandSport 2017
Or a basis for the most powerful domestic engine ever produced?

Or would it need a 180 degree crank and short rods to make any power?
Wait, even at the LT7's rumored 850-ish hp, wouldn't the motor in the Demon 170 still keep the "most powerful" title at 1,025 hp?

Old 04-30-2024, 12:19 PM
  #99  
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Originally Posted by JockItch
So much for Nostradumbas and his prediction the LT7 wouldn't reach the 800hp mark.
You mean the guy that bragged a trifecta that never happened?
I cant wait till ZR1s stats come out now 🤪
Old 04-30-2024, 12:40 PM
  #100  
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Me too. That way i can still hold the crown for the z06 trifecta and those can fight over the crown for the ZR1 trifecta


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