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  1. #16
    Member deckofficer's Avatar
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    V-Series Cadillac(s)

    2011 Red CTS-V manual http://tbuckets.lefora.com/

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    As much as I enjoy the feeling of high boost at low rpm that a positive displacement blower gives, the down stream components (clutch, trans, rear end) don't like it. I speak from the experience of building hot rods and engines, and if those down stream components can handle and give good longevity for a 600 hp positive displacement blower set up, they would offer the same reliability at 800 hp on a turbo engine. A centrifugal compressor is very linear in boost build up, thus the drivetrain doesn't have to handle the low rpm torque of the PD blower. A turbo also converts wasted heat energy for driving the compressor instead of using the engine's power to spin the compressor, so improved fuel mileage. Modern waste gated smaller turbos with ceramic blades offer less inertia thus less lag in spooling up.

    So, my ideal V would be one that weighs in at <3000 lbs, and turbo charged. Weight is the real enemy for performance, next to my Track-T my V is the slow and mellow car. The Track-T sports 526 hp @ 5700 rpm but only weighs 1790 lbs. An honest 9 second street driven car with a decent idle and good street manners. If it weighed 3500 lbs and could still do a 9.7, then it would have a crappy idle and nasty street manners due to the engine needing to be built to over 1000 hp.

    Shave the weight, don't need as much hp.
    Bob
    516 lb/ft @ 2800
    http://tbuckets.lefora.com/

  2. #17
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    V-Series Cadillac(s)

    2009 Cadillc CTS-V

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    I wish there were more information on the 3rd gen V. Release date would be nice to know. I know when they come out there will be plenty of v2's for sale.. but I just cant wait that long. Anything less than a v8 would be a fail

  3. #18
    Senior Member Tuna's Avatar
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    V-Series Cadillac(s)

    '11 V Wagon, ( '13 427 Vette & '14 ATS)

    Default Lt4, 620 hp, 650 tq

    GM/Chevy inadvertantly leaked a couple of numbers on the new LT4 supercharged engine for the 2015 ZO6 Corvette - 620 HP and 650 #-Ft of torque.

    If this is the engine the CTS V3 gets, that will be something.
    Tuna
    New avatar - my latest novel
    Antiques To Die For

  4. #19
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    V-Series Cadillac(s)

    2009 Cadillc CTS-V

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    Quote Originally Posted by Tuna View Post
    GM/Chevy inadvertantly leaked a couple of numbers on the new LT4 supercharged engine for the 2015 ZO6 Corvette - 620 HP and 650 #-Ft of torque.

    If this is the engine the CTS V3 gets, that will be something.
    Thats a lot of power. More than I need. I wont be able to afford one new. I'll just buy the v2 and rock that for a few years lol

  5. #20
    Senior Member Tuna's Avatar
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    V-Series Cadillac(s)

    '11 V Wagon, ( '13 427 Vette & '14 ATS)

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    Quote Originally Posted by Clippers_FTW View Post
    Thats a lot of power. More than I need. I wont be able to afford one new. I'll just buy the v2 and rock that for a few years lol

    "Need" has nothing to do with it for me - it's more of a "Want".

    Horsepower is addictive.
    Tuna
    New avatar - my latest novel
    Antiques To Die For

  6. #21
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    V-Series Cadillac(s)

    2009 Cadillc CTS-V

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    Quote Originally Posted by Tuna View Post
    "Need" has nothing to do with it for me - it's more of a "Want".

    Horsepower is addictive.
    Do you know what size it is going to be?

  7. #22
    Senior Member Tuna's Avatar
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    V-Series Cadillac(s)

    '11 V Wagon, ( '13 427 Vette & '14 ATS)

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    Quote Originally Posted by Clippers_FTW View Post
    Do you know what size it is going to be?
    I assume the new V-Series CTS will get the same basic engine as the ZO6 Vette - 6.2 L, 620 HP and 650 TQ.
    Tuna
    New avatar - my latest novel
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  8. #23
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    V-Series Cadillac(s)

    2008 Cadillac STS-V and a 2013 CTS-V

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    I think you are right and it would make sense - CAFE requirements are crushing the viability of big V8 engines and there is no way Cadillac and Corvette are going to build different engines for what is essentially the same job - between Z06s and CTS-Vs that probably means a production run of about 5k engines a year - the next generation of this engine will probably be under 5.0 liters of displacement and will inevitably be supercharged (doubtful) or turbocharged (probable)

  9. #24
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    2009 Cadillc CTS-V

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    everyone is going the turbocharged route with smaller engines.. more fuel efficient and can still make the power. makes a lot of sense.. I've owned 3 turbo cars and I loved them. I'm "about" to own my 1st supercharged car. I know that supercharger scavenges power from the engine to make more power while a turbo takes wasted exhaust gases and makes more power... idk.. i prefer turbo's.. but ask me again in a month.

  10. #25
    Site Administrator Rob's Avatar
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    Not yet!

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    Quote Originally Posted by Clippers_FTW View Post
    everyone is going the turbocharged route with smaller engines.. more fuel efficient and can still make the power. makes a lot of sense.. I've owned 3 turbo cars and I loved them. I'm "about" to own my 1st supercharged car. I know that supercharger scavenges power from the engine to make more power while a turbo takes wasted exhaust gases and makes more power... idk.. i prefer turbo's.. but ask me again in a month.
    My daily driver is a twin-turbo charged car, and I love it, but the only thing I don't like is the turbo-lab driving around the city. That tends to get annoying after a while.
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  11. #26
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    2009 Cadillc CTS-V

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    I know all about turbo lag.. I had a 35r on an evo... If i was crusing on the freeway at low speed then floored it.. it would go absolutely nowhere.. but I dont mind shifting.. drop it a couple gears and the thing took off like a bat out of hell lol.. i can see how that would get annoying with city driving.

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