Secrets of the next Corvette's engine and lineup, all figured out (we think)

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Thread: Secrets of the next Corvette's engine and lineup, all figured out (we think)

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    News Contributor EJD1984's Avatar
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    Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Secrets of the next Corvette's engine and lineup, all figured out (we think)
    How Chevy will make a DOHC engine, a ZR-1, and a mid-engine supercar.
    Autoblog
    By Mike Magrath
    May 5, 2017



    The upcoming mid-engine Corvette, the DOHC Corvette and, finally, the big-wing-toting Corvette ZR-1. Our deductive sleuthing tells us that all of these things are, finally, real. The evidence has been right in front of us for months. GM's been hiding its plan in plain sight and we think we've cracked the code. Pore over our clues, follow along with our reasoning, and see if you agree with our conclusions.
    *Full Article at Link

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    News Contributor BlackGTP's Avatar
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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Not that I am an expert on such matters, but their logic sounds compelling.

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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    They haven't figured anything out. It's basically everything that's happened to this point compiled in one document with a narrative voice and a snarky comment here and there injected to keep readers from getting bored...
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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    I don't think there's any question but that, for the foreseeable future, there will have to be at least two types of Corvette offerings. One, a conventional model with RWD under six figures and the other a mid engined model above six figures. The economy is such that many Corvette owners don't have the financial ability or desire to pay that much even if it's a supercar.

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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Quote Originally Posted by BlackGTP View Post
    Not that I am an expert on such matters, but their logic sounds compelling.
    I didn't really think so. It's not just height that is a problem it's width AND weight. The Mercury SB4 is pretty cool but the dimensions they are using are not the only ones that matter. The comparison pictures are also not really apples to apples, as one engine is fully dressed out with manifolds and throttle bodies where the other isn't. The heads on the mercury are twice as thick as those on the LS7.

    I'm not saying that GM isn't doing this, I'm just stating that their take on it has a lot of holes.

    It's also relevant to point out that one of the big improvments from LS to LT is the difference in combustion itself. GM has stated that they expect big gains (30% or hight IIRC) there alone.

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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    I'd like to hear more about the dohc engine

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    3.0 Liter SIDI V6 BahamaTodd's Avatar
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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    This only leaves one possibility: The ZR-1 introduces the DOHC motor back into the Corvette family with 650 naturally aspirated horsepower (a nice number that is more ponies than the ACR and more horsepower/liter than the Mustang Shelby GT350), an 8,000-rpm redline and the production-car track record at Laguna Seca.
    We know the car running around the Nurburgring is supercharged, so if that is the ZR1, which it most likely is with its blue brake calipers, they're wrong on that point. Unless its DOHC and supercharged.

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    R2-D2 Astromech Droid sfbreh's Avatar
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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Quote Originally Posted by Michael Accardi View Post
    They haven't figured anything out. It's basically everything that's happened to this point compiled in one document with a narrative voice and a snarky comment here and there injected to keep readers from getting bored...
    Pretty much, someone at AB has been reading GMI.

    Only leap is guessing at DOHC replacing the small block. I don't think it will.

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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    I don't know how much of the above is true, but I can tell you this: DOHC heads have been under development for the Gen IV and Gen V smallblock for a while now.

    The DOHCs were actually meant for truck use almost a decade ago, to replace the BB Chevy engine which was discontinued.
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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Quote Originally Posted by EJD1984 View Post
    Secrets of the next Corvette's engine and lineup, all figured out (we think)
    How Chevy will make a DOHC engine, a ZR-1, and a mid-engine supercar.I]
    We think??LOL
    That tells me they know f all and only guessing..
    2008 Silverado long box,2wd ,cool white ,4.8 v8, air,locker,..120.000k

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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Quote Originally Posted by Z284ever View Post
    I don't know how much of the above is true, but I can tell you this: DOHC heads have been under development for the Gen IV and Gen V smallblock for a while now.
    The DOHCs were actually meant for truck use almost a decade ago, to replace the BB Chevy engine which was discontinued.
    What should we expect of a 6.2L DOHC motor, besides better breathing and higher redline?
    Would there be a 5.3 version as well?
    Who on GMI knows more about it/them? Thanks in advance!

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    GMI Camaro Forum Moderator Premium Member Z284ever's Avatar
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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Quote Originally Posted by Dr. Show-Me2 View Post
    What should we expect of a 6.2L DOHC motor, besides better breathing and higher redline?
    Would there be a 5.3 version as well?
    Who on GMI knows more about it/them? Thanks in advance!
    I don't know, other than GM has been playing with DOHC versions of the GenIV/V for a long time now.
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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    Quote Originally Posted by Dr. Show-Me2 View Post
    What should we expect of a 6.2L DOHC motor, besides better breathing and higher redline?
    Would there be a 5.3 version as well?
    Who on GMI knows more about it/them? Thanks in advance!
    We have heard of a NA 6.2L DOHC, so I would imagine it'd just be another option like Z28 said.

    Replace the 6.0 or whatever in the HDs, maybe.

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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    We still don't know if that sheet was a typo or not.....

    That sheet said for 2018 LT5 DOHC 6.2L for the Corvette and yet (just like the LT1 OHC) we have yet to see anything else about it. That list didn't say anything about a supercharger, and its likely that the supercharged engine in the ZR1 is going to have its own designation (which wasn't on that list). My guess is LT5 = 6.2L OHV supercharged (larger super charger) V-8 engine going into the 2018 ZR1 Corvette....

    Think about it though, the list has the LT1, LT4, and LT5 going into the Corvette for 2018 but no mention of the engine going into the ZR1 Corvette. Unless the big wing car is a Z06 MCE and lets say that the small wing car was a C7 ZR1 poised to get said DOHC 6.2L LT5 engine. However this is pure specualation (on a refreshed Z06).

    Just some food for thought, that 2018 list didn't have a listing for a supercharged ZR1 Corvette....

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    Re: Secrets of the next Corvette's engine and lineup, all figured out (we think)

    So is there an opportunity to have a DOHC 6.2 engine across the large SUVs as well as in HP applications?
    I'm thinking that this could work much the same way as Ford applies the Coyote to F150 as well a Mustang
    and now maybe Expedition (There's word of a 5.0 V8 LEV versions later this year)

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