Supercharged and Turbocharged LT7 in ZR1
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Ramv (04-24-2024)
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04-24-2024, 07:34 PM
Melting Slicks
Whatever happened to the days when everyone wanted a smaller, lighter Corvette? I want a $200k, 4000lb ZR1 like I want another hole in the head.
#2
Race Director
Too much heat and complexity for something not necessary.
I could see a hybrid assist the engine like Lamborghini just did but I doubt both SC and TC.
I do think that exhaust clip sounded like a muffled fpc.
And not in a good way. So turbocharged 99.9%
I could see a hybrid assist the engine like Lamborghini just did but I doubt both SC and TC.
I do think that exhaust clip sounded like a muffled fpc.
And not in a good way. So turbocharged 99.9%
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#3
Le Mans Master
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My Volvo XC90 was both supercharged and turbo charged. Only way they could coax that 4-cylinder engine to accelerate. My point is, while it’s possible it seems unlikely Chevy would need to do that due to the number of engines they could start with. Twin turbo LT6 or electric hybrid LT6 would be a rocket. 🚀
#4
#5
My Volvo XC90 was both supercharged and turbo charged. Only way they could coax that 4-cylinder engine to accelerate. My point is, while it’s possible it seems unlikely Chevy would need to do that due to the number of engines they could start with. Twin turbo LT6 or electric hybrid LT6 would be a rocket. 🚀
#6
I say no from a packaging and servicing point of view alone. Also, they won't need to twin charge it to achieve their mid-800 hp goal. TT will be plenty. Adding a SC would only increase complexity and add weight. LT7 will be a TT 5.5L crossplane DOHC V8 revving in the 7k range.
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JMB (04-24-2024)
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#8
#9
I think the unthinkable is the turbocharging part.
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#11
Melting Slicks
It is obvious a lot of responders here did not watch the video.
While i think its a huge stretch, the guy does make some good points.
And for those of you who did not watch, one little tidbit of info was that GM filed a patent for a dual charger engine with both a turbocharger and an electric supercharger with a CVT transmission. Definitely a unique and novel idea.
I'm still skeptical of this theory because we already have CAD leaks of a twin turbo DOHC C8 setup.
While i think its a huge stretch, the guy does make some good points.
And for those of you who did not watch, one little tidbit of info was that GM filed a patent for a dual charger engine with both a turbocharger and an electric supercharger with a CVT transmission. Definitely a unique and novel idea.
I'm still skeptical of this theory because we already have CAD leaks of a twin turbo DOHC C8 setup.
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#12
Drifting
Hybrid , electric for the advantage of immediate power with turbo(s) taking over.. Think it's all but confirmed it'll be turbo'd .. will be interesting to see the numbers. If it's AWD I will definitely be getting one.
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CorvettoBrando (04-24-2024)
#14
Melting Slicks
We have been informed that GM President Mark Reuss commented during a Dealer preview of the ZR1 that the LT7 engine was turbocharged. Looking at the Code Name Zerv leaked CAD files showing the LT7 engine we can clearly see that the Turbo's appear to be dual stage turbos down low. We can also see what appears to be 3D printed air plenum tubes that are approximately 4-5 inches in diameter at the blue air box and 2-3 inches in diameter where they connect to the dual stage turbos. Looking at that plenum tube that starts at a larger cross section of air volume being reduced progressively through the entire length at a constant reduced rate until it connects to the turbo. That of course is compressing cold air during that length which is essentially a supercharging (Cold air) process. I'm not sure if those two curved tubes wrapping around each side of that LT7 would be a precision casting or would it be 3D printed. I assume the interior of those tubes would have to be ultra smooth for low air friction. All fun conjecture on my part where we will find out soon enough !
Last edited by skank; 04-24-2024 at 03:55 PM.
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#17
Melting Slicks
I do believe creating a plenum tube like what's shown on the CAD file image can only be done with 3D printing. Think about accuracy of a progressively reduced conical shaped tube that is the bending and deforming its shape into a progressive ellipse shape then returning to a perfectly round shape on either end. Then polishing the internal surface to a smooth mirror like finish using magnetic polishing grit. This is getting into Formula 1 type technologies !
#18
Melting Slicks
It is obvious a lot of responders here did not watch the video.
While i think its a huge stretch, the guy does make some good points.
And for those of you who did not watch, one little tidbit of info was that GM filed a patent for a dual charger engine with both a turbocharger and an electric supercharger with a CVT transmission. Definitely a unique and novel idea.
I'm still skeptical of this theory because we already have CAD leaks of a twin turbo DOHC C8 setup.
While i think its a huge stretch, the guy does make some good points.
And for those of you who did not watch, one little tidbit of info was that GM filed a patent for a dual charger engine with both a turbocharger and an electric supercharger with a CVT transmission. Definitely a unique and novel idea.
I'm still skeptical of this theory because we already have CAD leaks of a twin turbo DOHC C8 setup.
#19
Melting Slicks
Whatever happened to the days when everyone wanted a smaller, lighter Corvette? I want a $200k, 4000lb ZR1 like I want another hole in the head.
#20
Le Mans Master
We have been informed that GM President Mark Reuss commented during a Dealer preview of the ZR1 that the LT7 engine was turbocharged. Looking at the Code Name Zerv leaked CAD files showing the LT7 engine we can clearly see that the Turbo's appear to be dual stage turbos down low.