GM Document Reveals Corvette C8 With 6.2L DOHC LT5 V8 - C8 Corvette Forum
 
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post #1 of 9 (permalink) Old 12-28-2016, 01:49 PM Thread Starter
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GM Document Reveals Corvette C8 With 6.2L DOHC LT5 V8



A member on Reddit, going by the name of Resident GM Fan, brought to our attention the fifth page of a document sent to GM service staff. Hidden on that page is confirmation that the 6.2-liter dual-overhead cam V8 will appear in the new Corvette C8.

The Passenger Car Engine Table details all of the car engines for GM’s 2018 models using internal codes and in the last row is an LT5. Described by GM as a DOHC 6.2-liter gasoline engine with eight cylinders, direct injection, variable valve timing, and an aluminum block; the engine’s application is listed as “Y”. That letter is GM’s internal designation for the Corvette line.

What the document doesn’t tell us is which Corvette model this engine will appear in. It definitely won’t replace the LT1 in the base model Corvette Stingray as that combination is listed on the 2018 model year sheet.

There are two new Corvette models in which the engine could appear, a C7 ZR1 and mid-engine Corvette Zora. In Corvette history, the LT5 only appeared once and that was in the C4-gen ZR1. Maybe GM will repeat history and put the engine in the C7 ZR1.

No matter which model the automaker decide to put the LT5 in we’re sure to see a higher redline, faster RPM change, and a bit of added weight in the new Corvette thanks to the Dual Overhead Cam.
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post #2 of 9 (permalink) Old 12-29-2016, 02:48 PM
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YES ! Quad-Cam greatness is back. This is going to definitely be more powerful than the 6.2L LT4 that produces in the neighborhood of 650hp. This just re-ignited that fire in my head lol.
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post #3 of 9 (permalink) Old 12-30-2016, 04:39 PM
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They have been tight lipped about the next generation Corvette but have been working hard to show of a potent C7 ZR1 and give the change happening with the current generation and the next, they'll want to send the C7 out with a bang!
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post #4 of 9 (permalink) Old 01-04-2017, 12:23 PM
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They will want to send out the C7 with a bang because it's the end of that whole lineage of the front engined designs. Engine layout hasn't ever been touched since the corvette was introduced in 53'. Build the hype and light the C8 like a firecracker when it comes out and stun the world !
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post #5 of 9 (permalink) Old 01-05-2017, 01:51 PM
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Quote:
Originally Posted by LSx View Post
They will want to send out the C7 with a bang because it's the end of that whole lineage of the front engined designs. Engine layout hasn't ever been touched since the corvette was introduced in 53'. Build the hype and light the C8 like a firecracker when it comes out and stun the world !
Exactly.

Plus going this route with the C7 that we're seeing taking shape here in a way stimulates interest in the C8 since now expectations are being set and more eye balls are being drawn in.

In a way this is testing the waters for moving up a level in potency
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post #6 of 9 (permalink) Old 01-06-2017, 02:07 PM
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True.. With the C7 produces so much power and just performance in general, the bar is set real high for the C8 to beat. Now everyone's expecting that C8 to push well over 700hp and handle like a darn ACR.
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post #7 of 9 (permalink) Old 01-08-2017, 10:51 PM
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Someone's even hoping for a 8-9k rpm redline in the new C8. There are high expectations of the new model and I'd like to see 750+hp from the factory. But that's probably not going to happen.
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post #8 of 9 (permalink) Old 01-10-2017, 12:55 PM
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A 8-9k redline would be amazing. But highly unlikely. The current LT4 has a maximum recommended rpm of 6600rpm. The LT5 DOHC I would say maybe 7200rpm ?
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post #9 of 9 (permalink) Old 01-12-2017, 01:39 PM
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Just read that the LT5 V8 they will be using is also going to be coming with a set of twins. (twin turbo). Now that should be interesting, I would personally much rather the twin-turbos over a supercharger just because it raises the potential that much more.
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