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Thread: Holden developing V12 for Cadillac

  1. 03-21-2007, 11:08 PM #1
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    Holden developing V12 for Cadillac

    Cadillac to build V12 sedan based on Sixteen concept

    Words courtesy of LeftLaneNews
    General Motors product boss Robert Lutz has confirmed plans to build a V12 sedan, likely based on the popular Cadillac Sixteen coupe car. The luxury sedan will compete with the Mercedes S-Class and Lexus LS, according to Lutz.

    Mr. Lutz said in an interview while visiting England that development is underway by Holden in Australia for the new V12 powerplant that will be used in the range-topping model.

    The new V12 is essentially two 60-degree 3.6-liter V6 engines mated to a common crankshaft, according to AutoWeek magazine. Like the 1000 hp V16 Sixteen concept, the V12 Caddy will feature direct injection, cylinder deactivation, and an advanced automatic gearbox to provide reasonable fuel economy and efficiency.

    Holden has reportedly built early test mule prototypes on its rear-wheel-drive Zeta platform, which underpins the new Chevy Camaro and Pontiac G8. However, the chassis might only serve as a test bed for the engine.

    The engine will have 7.2 liters of displacement with 600 horsepower and 540 pound-feet of torque. It's not known if GM plans to offer lesser versions of the sedan with V8 powerplants, as Mercedes does with its S-Class. In 2003, Lutz said he wanted to develop a Cadillac luxury sedan with three models: V8, a high-performance V8 and a V12.
    Two Alloytechs fused together? Sounds like fun It's good to see Holden getting more and more international projects from GM.
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  2. 03-21-2007, 11:11 PM #2
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    Hands up who wants to see this is the front of the next HSV GTS if the weight balance can be kept?
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  3. 03-21-2007, 11:13 PM #3
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    How about a return of the holden Hurricane?
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  4. 03-21-2007, 11:18 PM #4
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    all that displacement and such little power...

    how much does Pagani get from its 7.2 litre?
    The Datto will rage again...
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  5. 03-21-2007, 11:25 PM #5
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    Quote Originally Posted by Blue Supra View Post
    all that displacement and such little power...

    how much does Pagani get from its 7.2 litre?
    It's actually a 7.3-litre and it has 600bhp as standard and 650bhp in Clubsport form.
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  6. 03-21-2007, 11:54 PM #6
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    And it only started out with only 400, then went to 550hp.

    And I'd love to see one in a GTS. However, I think it'd make it too heavy. However, a V12 Grange...hmmm...!!!!
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  7. 03-22-2007, 12:07 AM #7
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    Quote Originally Posted by Blue Supra View Post
    all that displacement and such little power...
    i imagine the torque band would be impressive though..
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  8. 03-22-2007, 12:09 AM #8
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    Quote Originally Posted by Blue Supra View Post
    all that displacement and such little power...

    how much does Pagani get from its 7.2 litre?
    How much does a Pagani engine cost?

    I remember hearing about this in an interview with Mike Simcoe. It was a while back, and he said it was a personal dream, not something that was seriously being thought of. He basically said that he would love to have an ultimate flagship, built off the WM, and two Alloytecs fused together.

    Well, it appears the dream may have materialized.
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  9. 03-22-2007, 01:41 AM #9
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    Quote Originally Posted by Blue Supra View Post
    all that displacement and such little power...

    how much does Pagani get from its 7.2 litre?
    That is a n00b argument. This is a luxury saloon, the Pagani is a 'Hypercar'. The Caddy's engine will be designed for refinement, which means it'll be relaxed (i.e not having to rev much to deliver torque)...the Pagani - just listen to it!
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  10. 03-22-2007, 02:26 AM #10
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    Quote Originally Posted by Clivey View Post
    The Caddy's engine will be designed for refinement,
    The Holden engineers are going to have their work cut out then

    It should be alright actually, V12's are much more naturally balanced than V6's, up there with boxer's and straight 6's, so that'll fix most of the problems.

    I think if you were going to cut and shut one into a production Holden though, you may as well do a mid engine conversion on a ute, as i doubt theres the engine bay space in a sedan. The new ones cant fit the battery up there remember
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  11. 03-22-2007, 03:57 AM #11
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    im still not impressed.
    The Datto will rage again...
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  12. 03-22-2007, 04:10 AM #12
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    when are you ever?

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  13. 03-22-2007, 04:10 AM #13
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    Quote Originally Posted by IBrake4Rainbows View Post
    when are you ever?

    <cue Homer Simpson "2 for 1 Piano stool sale" quote>
    it needs 9 turbo's that spool up at 5000rpm to make bluey happy
    Andreas Preuninger, Manager of Porsche High Performance Cars: "Grandmas can use paddles. They aren't challenging."
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  14. 03-22-2007, 04:24 AM #14
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    z0mg got b00st?

    which reminds me - You free soon for that photo shoot simon?
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  15. 03-22-2007, 04:29 AM #15
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    Quote Originally Posted by blue supra
    all that displacement and such little power...

    how much does Pagani get from its 7.2 litre?
    Zonda F - 600bhp
    Holden V12 - aiming for 600bhp
    Horsepower wins races. Torque pulls trailers.

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