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Cadillac STS-V Series Forum Discussion, How About This ...the New Sts V in Cadillac V-Series Forums; Check the new issue of AutoWeek for some more info and pics of the STS-V. There is an unofficial picture ...
  1. #61
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    Re: How About This ...the New Sts V

    Check the new issue of AutoWeek for some more info and pics of the STS-V. There is an unofficial picture of the engine compartment with the engine without the beaty cover. It is actually a picture pirated somewhere along the line of a development mule (note the yellow stickers and lack of tuners in the induction tubes) but it does give an idea of what the engine looks like under the beauty cover.

  2. #62
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    Re: How About This ...the New Sts V

    Quote Originally Posted by bbob
    What XLR-V.....?????
    Are you trying to tell us something?

  3. #63
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    Re: How About This ...the New Sts V

    I've been holding my breath for 5 years now waiting for Cadillac to roll-out this "Pace Car" edition. Should I stop waiting?


    ~Doc

  4. #64
    b4z
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    Re: How About This ...the New Sts V

    Regarding the red accents.
    It looks to me that the pics of the black interior show the interior properly, while the pics of the red interior have been brightened up or overexposed.
    Hopefully the red will actually be a deeper red.
    If the red actually looks like the pics, then it is just awful.
    Not befitting a luxury car.

    I like the V very much, especially the side profile which shows the chunky, muscular front end with the raised hood and the lower air dam.
    It is a more successful rendition of the "V" theme than the CTS-V.

    I also think that the 6 speed auto should be available across the Cadillac line in '06.
    This will help with gas mileage, especially on the SRX.

    Maybe bbobyinski will let us know how much of the lineup will have the 6 speed auto.
    And what ratio 6th gear is. I am guessing a .68 or .67.

  5. #65
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    Re: How About This ...the New Sts V

    Quote Originally Posted by b4z
    It is a more successful rendition of the "V" theme than the CTS-V.
    Lest we not forget that the STS-V is powered by a massaged Northstar, the CTS-V is still the king when it comes to real American self-aspirated muscle.

  6. #66
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    Re: How About This ...the New Sts V

    From gminsidenews.com
    NAIAS autoshow coverage.

    DETROIT – The 2006 Cadillac STS-V is General Motors’ most intense expression of Cadillac power and performance yet, and the luxury nameplate’s latest offering in its growing family of high-performance V-Series vehicles.

    The STS-V carries all the craftsmanship and sophistication of its STS sibling, but does so at an entirely different level. Designed for everyday driving, the STS-V has been developed to deliver supercharged, rear-drive performance with an elegant design statement that is unmistakably Cadillac.

    At the heart of the STS-V is a new, 4.4-liter version of the Northstar engine outfitted with a positive displacement intercooled supercharger. The dual overhead cam (DOHC) V-8 engine delivers the highest horsepower rating of any production Cadillac engine to date.

    Called the Northstar V-8 SC (supercharged), the engine produces 440 horsepower (328 kW) at 6400 rpm and 430 lb.-ft. (583 Nm) of torque at 3600 rpm (power and torque figures estimated) – and the engine’s power is underscored by its ability to deliver 90 percent of its peak torque between 2200 and 6000 rpm. Vehicle redline is 6700 rpm.

    The Northstar V-8 SC generates 120 horsepower (90kW) and 115 lb.-ft. (156 Nm) of torque more than its naturally aspirated counterpart, while its specific output of 100-horsepower-per-liter makes it one of the world’s highest specific output production V-8 engines.

    However, the Northstar V-8 SC used in the STS-V is more than just power and torque. The DOHC engine includes variable valve timing that enables outstanding top-end performance while maintaining the expected refinement and quality associated with a luxury marque.

    The aggressive torque curve enabled by the choice of a supercharged engine gives the STS-V acceleration capable of placing it firmly in the under-5-second-club for 0-to-60 time. The refined shift feel is enabled by careful electronic calibration of both the engine and transmission. During shifts, power is instantaneously lowered, then ramped back up carefully to make gear changes virtually unnoticeable.

    The Northstar V-8 SC is mated to the all-new Hydra-Matic 6L80 six-speed automatic transmission – the first use of GM’s new six-speed automatic. The 6L80 – the only transmission offered on the STS-V – is one of the most technologically advanced automatic transmissions in the industry, using clutch-to-clutch operation and an advanced integrated 32-bit transmission controller to deliver smooth and precise shifts.

    The 6L80 also incorporates a host of advanced driving enhancement features, including advanced Performance Algorithm Shifting (PAS) and Driver Shift Control (DSC). PAS lets the electronic transmission controller override the automatic gear selection during closed throttle high lateral acceleration maneuvers, rapidly downshifting with the release of the torque converter clutch for smooth powering up when the throttle is reopened. Driver Shift Control allows the driver to sequentially shift gears manually via the gearshift lever.

    The STS-V has been tuned for performance on virtually every road condition and environment including GM’s all-new Milford Road Course facility and the Nordschleiffe (North Course) at Nürburgring.

    As a result of this extensive development, the vehicle has track-capable acceleration, braking and cornering abilities. This is due, in part, to increased tire sizes (P255/45R18 front, P275/40R19 rear); increased brake rotor diameters, larger pad areas, and larger calipers; increased stiffness stabilizer bars and suspension springs; a faster steering ratio; and chassis tuning aimed at delivering high performance without punishing the driver.

    Exterior elements on the STS-V enable higher-performance capabilities; yet express the sophisticated elegance associated with the STS name. Exterior refinements include:
    A larger, polished stainless steel wire mesh front grille that enables the required additional airflow for engine heat dissipation. The wire mesh grille not only signifies the sedan as a V-series, but is also a heritage cue – wire mesh grilles were applied on the Cadillac V-16, the standard bearer of luxury and performance in the 1930s;
    A new, lower front fascia that incorporates a larger lower grille (also wire mesh) for increased cooling capability; brake ducts for front caliper and rotor cooling; and splitter to counteract lift created by larger grille openings;
    A new lower rear fascia that facilitates smooth airflow under the vehicle for improved cooling;
    Lower rockers that visually bridge the lowered front and rear fascias;
    A specific, fluidly sculpted hood designed to provide space for the engine’s supercharger;
    Ten-spoke, flangeless, painted aluminum alloy wheels that assist in brake cooling. Front wheels are 18 x 8.5 inches; rear wheels are 19 x 9.5 inches;
    A higher, more rearward-positioned rear spoiler that enables balanced aerodynamic downforce with the front splitter; and
    V- series badging prominently displayed on the vehicle’s rear decklid and front doors along with “Supercharged” block lettering on the doors.
    The interior of the STS-V reflects craftsmanship with the addition of more leather-wrapped surfaces to promote a high-quality, tactile feel and distinctive, crafted appearance. Interior refinements include:
    Hand-wrapped leather surfaces throughout;
    Olive Ash Burl wood appointments;
    Kinetic-finished aluminum accents;
    Sueded fabric seat inserts;
    V -series badging in the instrument cluster, on the instrument panel, and on door sill plates; and
    A new Tango Red color accent offering that is applied on seat inserts (front and rear), console, center armrest, lower instrument panel and door mid-sections (front and rear).
    With three million subscribers, OnStar is the nation's leading provider of in-vehicle safety, security and information services using the Global Positioning System (GPS) satellite network and wireless technologies. The 2006 STS-V will offer OnStar’s Gen 6.1 system. With Gen 6.1, GM OnStar subscribers can interact with OnStar's voice recognition system in Spanish, French or English. With the push of a button an OnStar advisor can change the system to allow the subscriber to interact with the system in their preferred language. Other core OnStar services are stolen vehicle location assistance, remote door unlock, roadside assistance, emergency services and automatic crash notification.

    GM is the only automotive manufacturer committed to offering a full range of vehicles with safety protection before, during and after a collision. All OnStar-equipped vehicles come with Automatic Crash Notification. If air bags deploy, the system sends a signal to a highly trained OnStar Emergency Advisor, who contacts the vehicle to see if help is needed, and can contact an emergency responder to send for help. In many cases the occupants are severely injured and cannot speak for themselves. OnStar’s GPS unit allows Advisors to tell emergency responders the vehicle’s location. OnStar responds to at least one air bag deployment in the US or Canada every hour.

    Additionally, the 2006 STS-V will offer the GM-exclusive Advanced Automatic Crash Notification system. The AACN system detects collisions, even rollovers, regardless of whether air bags deploy. AACN also transmits other crash data, such as the direction of impact force, the number of and which air bags deployed and the maximum change of impact velocity, so that emergency responders are more prepared with this critical information before they arrive at the accident scene.

    The STS-V was engineered and executed by GM’s Performance Division, an in-house center designed to explore potential enthusiast-oriented versions of production models. No engineering, design or assembly functions were outsourced – the vehicle is truly an original equipment offering.

    Like its STS sibling, the STS-V will be built at GM’s state-of-the-art Lansing Grand River (LRG) assembly center beginning in 2005. In 2004, the LGR facility received JD Power’s highest award for plant quality in North America .

    The STS-V is expected to arrive in Cadillac showrooms in the fourth quarter of 2005

  7. #67
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    Re: How About This ...the New Sts V


  8. #68
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    Re: How About This ...the New Sts V

    Quote Originally Posted by Playdrv4me
    Lest we not forget that the STS-V is powered by a massaged Northstar, the CTS-V is still the king when it comes to real American self-aspirated muscle.

    "self-aspirated".....????? Since the engine drives the blower I would say that the Northstar SC is "self aspirated"...LOL LOL LOL

    The CTS-V does have more cubic inches...and you cannot beat cubic inches....no matter whether normally aspirated, self aspirated or whatever....LOL

  9. #69
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    Re: How About This ...the New Sts V

    Quote Originally Posted by the Sandman
    Are you trying to tell us something?

    uh...no....not at all......LOL

  10. #70
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    Re: How About This ...the New Sts V

    Quote Originally Posted by cardio-doc
    I've been holding my breath for 5 years now waiting for Cadillac to roll-out this "Pace Car" edition. Should I stop waiting?


    ~Doc


    Well...it depends on what you mean.

    If you have been waiting for a FWD performance car like the LeMans Pace Cars were then you need wait no longer. Simply go buy a Pontiac Bonneville GXP. The GXP is basically what the LeMans pace cars were. The performance of the two is very close, actually. The same chassis engineer and powertrain engineer that did the developement and tuning work on the LeMans Pace Cars did the work on the GXP.

    The STS-V will push the FWD LeMans Pace Cars right off the track....LOL. That is what 140 HP will do for you.

    In the rain I would still give the nod to the FWD Pace Cars, though. There were complaints from the race teams during the race the first year the FWD STS Pace Cars were used at LeMans that the pace car was driving TOO FAST during the rain delays they had. This is true.

  11. #71
    b4z
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    Re: How About This ...the New Sts V

    bbobyinski,

    The 2005 CTS-V was on delaer lots in July 2004.

    Do you think we will see the STS-V production begin in June and be on the lots in July 2005, or will be October/November time frame?
    Kind of like the way 2004 CTS-V was introduced.

    Is the rear end whine problem been taking care of on the Sigma cars,
    or is just something we have to live with?

    My SRX whines as does my brand new GTO.
    GM problem?

  12. #72
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    Re: How About This ...the New Sts V

    Quote Originally Posted by b4z
    bbobyinski,

    The 2005 CTS-V was on delaer lots in July 2004.

    Do you think we will see the STS-V production begin in June and be on the lots in July 2005, or will be October/November time frame?
    Kind of like the way 2004 CTS-V was introduced.

    Is the rear end whine problem been taking care of on the Sigma cars,
    or is just something we have to live with?

    My SRX whines as does my brand new GTO.
    GM problem?

    I would expect a fall introduction of the STS-V from what I have read.....like the CTS-V.

    Hypoid gears in rear axles whine. Nature of the beast. This is a little issue that poeple forgot about what with years of FWD cars and FWD transaxles that did not have hypoid gearsets....LOL...LOL FWD was not for everyone and not perfect either but it certainly eliminated decades of rear axle whine complaints.

    Seriously...they all whine. Just to what degree is the question. Mounting, isolation, drive line design variences, etc...all have an effect of drive axle whine. The axles in the SRX and GTO are completely different suppliers... both are made for GM by outside companies and those two are made by different companies if I am not mistaken.....

    I don't think that there is any inherent "problem" with the final drives.... The whine is affected by the hypoid gear, the rear end setup procedures, how the gearset backlash is set, how the pinion depth is set for durability, etc.... Drag car gears whine horribly due to the lack of backlash and pinion depth biasing done for durability at the dragstrip....just no one hears them over open headers.

    I don't think that there is any particular issue with the axles in those cars. You are just hearing the range of axle noise that varies slightly in production with gear variation and set up variation. The STS-V diff mounting is liable to be on the firm side for isolation to control the axle in performance situations so ANY driveline noises are going to be amplified to some extent. Not making excuses for the axles, here, just being realistic about it.....

    The STS-V mules and prototypes that I have driven and been in have been very quite overall for axle noise, induction noise, blower whine and exhaust noise and booms. I don't expect any overall complaints (other than they will maybe be TOO quiet for some) but I am sure, what with a hypoid gear in the rear end, that there will be some trace levels of gear whine in some cars with otherwise perfectly fine rear ends.

  13. #73
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    Re: How About This ...the New Sts V

    Maybe it's not the same thing but years ago (about 1993) Cadillac started using rears that were only previously used in GM trucks, and IMMEDIATELY started getting complaints about gear noise (gear whine). The fix was to replace the gear sets with beveled gear sets. Seems that the ones originally used were NOT bevel cut because they were used in trucks and since the cabin noise level of a pick-up is a good deal higher than a Cadillac limo.....
    Get the picture?
    Maybe this is a similar issue?

  14. #74
    b4z
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    Re: How About This ...the New Sts V

    I just saw that the STS-V weighs 4300lbs!!

    Dang. that thing got heavy, fast.
    The CTS-V weighs 3850 and the STS_V is 450lbs more.
    All that performance stuff really puts the lbs on.

  15. #75
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    Re: How About This ...the New Sts V

    Quote Originally Posted by Katshot
    Maybe it's not the same thing but years ago (about 1993) Cadillac started using rears that were only previously used in GM trucks, and IMMEDIATELY started getting complaints about gear noise (gear whine). The fix was to replace the gear sets with beveled gear sets. Seems that the ones originally used were NOT bevel cut because they were used in trucks and since the cabin noise level of a pick-up is a good deal higher than a Cadillac limo.....
    Get the picture?
    Maybe this is a similar issue?
    First that I have ever heard of the "beveled gear" explaination....LOL.

    Hypoid gears are always lapped and fitted for the axle so I don't know where "beveling" is involved. I'll have to go find out.

    I know that in the RWD Devilles...er...ah...Broughams...the rear axle source was changed several times and the final time in the late 80's early 90's the ring gear diameter was increased which is the rears with the most whine complaints. I suspect that the larger diameter, heavier duty ring and pinion contributed to the increased noise. The larger the ring gear...the greater the propensity to whine.

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