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    Tip vs. Manual Answer from PCNA

    Not sure if this has been posted before...
    Here is the answer on Tip vs. Manual from PCNA

    "From PCNA website.
    : How does the 2007 Porsche 911 Turbo equipped with the optional 5-
    speed Tiptronic S automatic transmission accelerate faster to 60 mph?

    A: The optimized interaction between the new all-wheel-drive system,
    Porsche Traction Management (PTM), Tiptronic S five-speed automatic
    transmission, and Tiptronic-specific calibration of the engine
    management controls and associated variable turbine geometry (VTG)
    system, allows the new 911 Turbo with Tiptronic S to accelerate
    slightly quicker than models equipped with the manual 6-speed
    transmission.

    Improvements to the Tiptronic S transmission in the latest 911 Turbo
    contribute to the performance gains. These include:

    Earlier ramp-up of boost pressure when `brake-torquing' the
    transmission
    Increased torque build-up allowed when brake-torquing
    Reduced shifting- and reaction times
    If launched appropriately, a 911 Turbo equipped with Tiptronic S is
    essentially "pre-tensioned" at the starting line, and during
    acceleration runs, power-interruptions are reduced in comparison to
    the 6-speed manual transmission. Aiding acceleration, when paired
    with Tiptronic S, the all-wheel-drive system with PTM can deliver a
    nearly uninterrupted flow of torque to all four wheels.



    Q: How does this compare with "launching" the manual gearbox 911
    Turbo?

    A: With the manual transmission, engine boost pressure needs to
    build after clutch engagement, which can require several fractions
    of a second. Additionally, clutch- and wheel-slip when launching
    from a standstill can also make it difficult to translate engine
    torque into the quickest acceleration times.

    In terms of providing performance to our customers, the Tiptronic S
    transmission has made the prodigious abilities of the 911 Turbo more
    accessible to a wider range of customers. In its evolution, the
    Tiptronic S now provides certain areas of strength in relation to
    the 6-speed manual, particularly in standing start acceleration
    numbers, an area of quantified performance that grows more
    challenging as peak horsepower levels continue to escalate.

    For those wishing to challenge themselves on a racetrack, and who
    prefer the control and selection of the 6-speed, the manual gearbox
    will remain the transmission of choice."

    Re: Tip vs. Manual Answer from PCNA

    Quote:
    964C2 said:
    Not sure if this has been posted before...
    Here is the answer on Tip vs. Manual from PCNA

    "From PCNA website.
    : How does the 2007 Porsche 911 Turbo equipped with the optional 5-
    speed Tiptronic S automatic transmission accelerate faster to 60 mph?

    A: The optimized interaction between the new all-wheel-drive system,
    Porsche Traction Management (PTM), Tiptronic S five-speed automatic
    transmission, and Tiptronic-specific calibration of the engine
    management controls and associated variable turbine geometry (VTG)
    system, allows the new 911 Turbo with Tiptronic S to accelerate
    slightly quicker than models equipped with the manual 6-speed
    transmission.

    Improvements to the Tiptronic S transmission in the latest 911 Turbo
    contribute to the performance gains. These include:

    Earlier ramp-up of boost pressure when `brake-torquing' the
    transmission
    Increased torque build-up allowed when brake-torquing
    Reduced shifting- and reaction times
    If launched appropriately, a 911 Turbo equipped with Tiptronic S is
    essentially "pre-tensioned" at the starting line, and during
    acceleration runs, power-interruptions are reduced in comparison to
    the 6-speed manual transmission. Aiding acceleration, when paired
    with Tiptronic S, the all-wheel-drive system with PTM can deliver a
    nearly uninterrupted flow of torque to all four wheels.



    Q: How does this compare with "launching" the manual gearbox 911
    Turbo?

    A: With the manual transmission, engine boost pressure needs to
    build after clutch engagement, which can require several fractions
    of a second. Additionally, clutch- and wheel-slip when launching
    from a standstill can also make it difficult to translate engine
    torque into the quickest acceleration times.

    In terms of providing performance to our customers, the Tiptronic S
    transmission has made the prodigious abilities of the 911 Turbo more
    accessible to a wider range of customers. In its evolution, the
    Tiptronic S now provides certain areas of strength in relation to
    the 6-speed manual, particularly in standing start acceleration
    numbers, an area of quantified performance that grows more
    challenging as peak horsepower levels continue to escalate.

    For those wishing to challenge themselves on a racetrack, and who
    prefer the control and selection of the 6-speed, the manual gearbox
    will remain the transmission of choice."



    It has been posted three times now, but thanks for the effort.

     
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