Imagining a Midcycle Engine Refresh for the C7 Corvette Stingray
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Thread: Imagining a Midcycle Engine Refresh for the C7 Corvette Stingray

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    Press Pass TorqueNews's Avatar
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    Imagining a Midcycle Engine Refresh for the C7 Corvette Stingray

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    There has been lots of discussion about new engines coming to the Chevrolet Corvette lineup in the form of new, high performance models, but there is an outside possibility that the Stingray could get a new engine before it gets a new look – albeit a long shot. What if the all-aluminum V8 in the GM dealer service system is the new engine for the Chevrolet Corvette Stingray? It isn't likely, but it could happen.

    Since the 2014 Chevrolet Corvette Stingray introduced the world to the C7 generation of the fabled American sports car, there has been a ton of speculation about new trimlines and the engines which would power those trimlines. At first, we speculated about the possibility of a new Corvette Z06 or ZR1 and that speculation ended when the C7 Corvette Z06 was introduced with the supercharged LT4 with 650 horsepower and 650lb-ft of torque.

    The C7 Corvette Z06 is more like the C6 Corvette ZR1 with its supercharged V8 and premium amenities inside and out, which led to more speculation about a C7 Corvette with even more power – which is presumably set to be called the ZR1. Of course, there are also the long-popular rumors that there is a mid-engine Corvette coming which will also feature a new engine of its own, and each of these rumors touch on the fact that the LT5 name could be reincarnated with the next super-Vette.

    Really, it seems that every rumor about any new General Motors V8 directs us to the next high performance Corvette – whether it is called the ZR1, the Zora or some other unique name – because we know that there is a higher performance car coming in the near future. What we don’t ever seem to consider is the possibility that there could be a new, more powerful engine in the Corvette Stingray before the end of the C7 generation.

    A Naturally Aspirated, DOHC Corvette?
    With the exception of a few engines along the way, the Chevrolet Corvette has historically been powered by an overhead valve engine or, as they are better known – a pushrod engine. While other companies (like Ford) have gone to a dual overhead camshaft setup with their V8s, both GM and Mopar have continued building pushrod engines with a tremendous amount of success. However, information from GM’s dealer service computer system indicated that there is a naturally aspirated 6.2L V8 coming with an all-aluminum construction and, more importantly, a dual overhead camshaft cylinder head design.
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    Senior Member rdslon01's Avatar
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    This is a fresh and interesting new take on the LT5 for model year 2018.
    Rodney and C.A.R.O.L.I.N.E. (Candy Apple Red, Outrageously Lovely, Incredibly Nimble Entertainment)

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    Senior Member U.S. Marine's Avatar
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    It makes you ponder the thought, would the General equip the ZR1 masterpiece with the next gen motor. Why not go for it.

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    Kinda like LS2 to LS3 in the C6. I can see that...
    Used to own a 2014 AW/AR 2 LT, 7M, NPP, Nav. Now have a 2017 Sterling Blue 2LT, A8 Grand Sport

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    Senior Member Busa Dave's Avatar
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    IMHO chances are close to slim and none. GM is done with the C7. C8 here we come!
    elegant likes this.

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    I agreee with Busa Dave, that other than the motor hop-up and aero enhancements for the ZR1 coming next year, that GM is done with any new powertrain components for the C7. But the ME will be revealed at NAIAS just 300 days away, for sale as a 2019 model.

    Will the ME be a very expensive financial step up, or a small/moderate price increase that some predict?
    Busa Dave and jagamajajaran like this.
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    Senior Member Mobius's Avatar
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    Quote Originally Posted by elegant View Post
    Will the ME be a very expensive financial step up, or a small/moderate price increase that some predict?
    If the ME is the replacement to the C7, as most of the trade mags indicate, it will be an incremental increase in price over the C7.

    Unless the economy tanks, and assuming the C8 styling is on the money, they will easily be able to sell 40,000 units domestically in the first year with this pricing scenario.

    If they also produce a true right hand version, as has been speculated, add another 10,000 units in international sales the first year.

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    Quote Originally Posted by TorqueNews View Post
    Name:  corvette.jpg
Views: 3869
Size:  30.2 KB

    There has been lots of discussion about new engines coming to the Chevrolet Corvette lineup in the form of new, high performance models, but there is an outside possibility that the Stingray could get a new engine before it gets a new look – albeit a long shot. What if the all-aluminum V8 in the GM dealer service system is the new engine for the Chevrolet Corvette Stingray? It isn't likely, but it could happen.

    Since the 2014 Chevrolet Corvette Stingray introduced the world to the C7 generation of the fabled American sports car, there has been a ton of speculation about new trimlines and the engines which would power those trimlines. At first, we speculated about the possibility of a new Corvette Z06 or ZR1 and that speculation ended when the C7 Corvette Z06 was introduced with the supercharged LT4 with 650 horsepower and 650lb-ft of torque.

    The C7 Corvette Z06 is more like the C6 Corvette ZR1 with its supercharged V8 and premium amenities inside and out, which led to more speculation about a C7 Corvette with even more power – which is presumably set to be called the ZR1. Of course, there are also the long-popular rumors that there is a mid-engine Corvette coming which will also feature a new engine of its own, and each of these rumors touch on the fact that the LT5 name could be reincarnated with the next super-Vette.

    Really, it seems that every rumor about any new General Motors V8 directs us to the next high performance Corvette – whether it is called the ZR1, the Zora or some other unique name – because we know that there is a higher performance car coming in the near future. What we don’t ever seem to consider is the possibility that there could be a new, more powerful engine in the Corvette Stingray before the end of the C7 generation.

    A Naturally Aspirated, DOHC Corvette?
    With the exception of a few engines along the way, the Chevrolet Corvette has historically been powered by an overhead valve engine or, as they are better known – a pushrod engine. While other companies (like Ford) have gone to a dual overhead camshaft setup with their V8s, both GM and Mopar have continued building pushrod engines with a tremendous amount of success. However, information from GM’s dealer service computer system indicated that there is a naturally aspirated 6.2L V8 coming with an all-aluminum construction and, more importantly, a dual overhead camshaft cylinder head design.
    The "pushrod" engine is lighter, simpler and very power dense for its size. DOHC engines are more complex, heavier, have higher centers of gravity, and are are early 1900's technology. So what is the advantage? Higher rev limits for a street engine, so what? Why mess with success? Trump will scale back idiotic MPG regulations that require ridiculous engines. So until we have gravity wave propulsion, cool it.
    bbrun likes this.

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    Senior Member rsvettez51's Avatar
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    What if aliens land on earth, what would you do? We can all ask question that have no answer. I choose not to get worked up about it.

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    Senior Member rsvettez51's Avatar
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    I don't even know where to start...

    A cast iron block is lighter? How about much greater efficiency, less pumping loses, better mileage.

    And the Trump will roll back? Just don't go there...

  12. #11
    Senior Member Busa Dave's Avatar
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    Quote Originally Posted by elegant View Post
    Will the ME be a very expensive financial step up, or a small/moderate price increase that some predict?
    THAT is the "million dollar" question we all want to know!

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    I would like to something in the 525-550 range in the base car that's still 100 horses less than the hallowed Z06.
    elegant likes this.

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    Senior Member jagamajajaran's Avatar
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    I personally do not think we will see any major changes on the Stingray, GS, or Z06 for 2018. I think elegant is correct.
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