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  1. #1
    OpelAus Forum Hierarchy Nurb608's Avatar
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    Suspension Info on the Upcoming VXR/OPC Astra

    Rüsselsheim - Opel has designed a high performance chassis package geared especially towards lateral dynamics and superb handling qualities for its new Astra OPC to complement its powerful 206 kW/280 hp, 400 Nm engine. The chassis which is equipped with dampers made by ZF Sachs benefits from several decisive elements that all enhance the car’s driving dynamics: high performance struts (HiPerStruts) on the front suspension, the mechatronic FlexRide chassis system, a mechanical limited slip differential and Brembo brakes. The chassis has been further sharpened with 19” alloy wheels as standard together with tires of the 245/40 ZR type.

    In order to convert the power of the new Astra into efficient propulsion, the front axle is equipped with a mechanical multi-plate limited slip differential. When one of the front wheels spins, the two multi-plate packs inside the differential work like clutches and subject the drive to a clearly defined resistance. This locking effect (50 percent maximum) depends on the ramp angle with which the plate packs are pressed together and which consequently determines how pressure is applied to the multi-plate clutch depending on the amount of torque. The shallower the ramp angle is, the more sensitive the system is.

    In the case of the Astra OPC, a ramp angle of 45 degrees was chosen for acceleration. In the case of deceleration, in other words when brakes are applied or pressure is taking off the accelerator pedal, the plates of the clutch are separated again and thus allow the ABS to work on the front wheels.

    The mechatronic FlexRide chassis which has been especially tuned and enhanced to OPC needs lets the driver choose between three different driving modes, with each mode offering a unique and specific experience of high performance driving. The Standard mode delivers all-round performance while comfort is preserved at all times for everyday drive situations.

    Even in this mode, the Astra OPC performs brilliantly in bends, shines with its responsive steering and minimal body tilt. At the touch of a button, the Sport mode stiffens the chassis suspension, increases agility by reducing body roll and makes the steering more direct. Meanwhile, the OPC mode creates the ultimate driving experience: steering becomes even more direct than in the Sport mode, the throttle more responsive and the chassis setting is geared towards delivering maximum performance. The instrument panel lights up red to signal that the car is in the OPC mode.

    Click here to enlarge
    Track Times: Phillip Island - 1:59.4027, Calder Park - 1:08.8142, Winton 3km - 1:40.7810, Sandown - 1:29.6000, Haunted Hills - 62.55, 1/4 Mile - 13.736

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  2. #2
    OpelAus Forum Regular Numbnut's Avatar
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    Very nice, I am looking forward to this.

  3. #3
    OpelAus Forum Hierarchy Nurb608's Avatar
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    Looks very promising! Even the watts link rear is a great step forward. Same setup as the SRIv Cruze and is a really noticable improvement from what i felt.
    Track Times: Phillip Island - 1:59.4027, Calder Park - 1:08.8142, Winton 3km - 1:40.7810, Sandown - 1:29.6000, Haunted Hills - 62.55, 1/4 Mile - 13.736

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  4. #4
    OpelAus Forum Addict kabel's Avatar
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    Thanks !
    Are you considering one by any chance ?

  5. #5
    OpelAus Forum Hierarchy Nurb608's Avatar
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    Click here to enlarge Originally Posted by kabel Click here to enlarge
    Thanks !
    Are you considering one by any chance ?
    Love one, but not for quite a while. Probably just a stock Astra J for Kylie
    Track Times: Phillip Island - 1:59.4027, Calder Park - 1:08.8142, Winton 3km - 1:40.7810, Sandown - 1:29.6000, Haunted Hills - 62.55, 1/4 Mile - 13.736

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  6. #6
    OpelAus Enthusiast mickos's Avatar
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    Sounds alright
    I have a mate interested in the Renault RS265 Cup. Trying to covert him to the Opels
    Arden Blue VXR- EDS 335PS 480NM
    Now
    VW Golf R MK6 Stage 2+

  7. #7
    OpelAus Post Whore gman's Avatar
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    The OPC and the RS265 are the next cars on my list for back in Oz. If the Astra can live up to the RS, then there will be one in the garage. Click here to enlarge
    Epsilon Renntech
    2003 Astra SRi-T - The Phantom
    EMTRON ECU
    Borg Warner EFR7163 & EFR9180
    Tuned by Scott @ Insight Motorsports

  8. #8
    Nurb608's Boss 2002_XC's Avatar
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    Click here to enlarge Originally Posted by gman Click here to enlarge
    The OPC and the RS265 are the next cars on my list for back in Oz. If the Astra can live up to the RS, then there will be one in the garage. Click here to enlarge
    if you need to have it stored like your other stuff, theres still room in our garage Click here to enlarge
    Click here to enlarge Originally Posted by poita Click here to enlarge
    "well rory and adz held me down, nuggz grabbed the vaccuum cleaner, while guy was taping it all.

    pj was taking photos but they wont be seen for 12mths and steve was in the corner playing with himself"

  9. #9
    OpelAus Post Whore gman's Avatar
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    Click here to enlarge I'm sure you'd rather that then half of the other "stuff" I have in storage.

    Good thing about the "J: having the HiPerStrut setup is that you'll be able to get it as spare parts and retro fit to earlier models. HiPerStrut Astra "G" I think is in my future!! Click here to enlarge
    Epsilon Renntech
    2003 Astra SRi-T - The Phantom
    EMTRON ECU
    Borg Warner EFR7163 & EFR9180
    Tuned by Scott @ Insight Motorsports

  10. #10
    OpelAus Forum Addict kabel's Avatar
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    Click here to enlarge Originally Posted by gman Click here to enlarge
    The OPC and the RS265 are the next cars on my list for back in Oz. If the Astra can live up to the RS, then there will be one in the garage. Click here to enlarge
    Are you building a bigger garage ? Click here to enlarge
    I may consider moving the Audi on in a year or two for one but still keep the AH VXR.
    Will definately be wanting to "test" drive one when they arrive here.

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