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  1. #1
    Join Date
    Jul 2006
    Location
    Silicon Valley, CA
    Posts
    1,381

    Default

    Specifically, the rules require that you disable it by disconnecting at least 3 of the wheel speed sensors. It used to say all 4 wheel speed sensors, but that rule changed to 3 because the more modern BMWs with their stock ECU go into limp-home mode if the right-rear wheel speed sensor is disconnected.
    Josh Sirota
    ITR '99 BMW Z3 Coupe

  2. #2
    Join Date
    Mar 2002
    Location
    Black Rock, Ct
    Posts
    9,594

    Default

    This outa be good.




    Jake Gulick


    CarriageHouse Motorsports
    for sale: 2003 Audi A4 Quattro, clean, serviced, dark green, auto, sunroof, tan leather with 75K miles.
    IT-7 #57 RX-7 race car
    Porsche 1973 911E street/fun car
    BMW 2003 M3 cab, sun car.
    GMC Sierra Tow Vehicle
    New England Region
    lateapex911(at)gmail(dot)com


  3. #3
    Join Date
    Jan 2001
    Location
    Royal Oak, MI, USA
    Posts
    1,599

    Talking

    Very cool to see the build going on! Looking forward to updates...

    TCS - will reduce engine power and apply one or both brakes on the drive axle to control wheel slip to improve 1) stability, 2) steerability, and 3) acceleration. So you can see, you don't want it.

    I've been instructed that a factory-style clutch pack diff is the best, but maybe that's another sort of religous debate... I'm using one 'cause that's what was cheapest!
    Vaughan Scott
    Detroit Region #280052
    '79 924 #77 ITB
    #65 Hidari Firefly P2
    www.vaughanscott.com

  4. #4
    Join Date
    Aug 2005
    Posts
    1,717

    Default

    Very cool to see the build going on! Looking forward to updates...

    TCS - will reduce engine power and apply one or both brakes on the drive axle to control wheel slip to improve 1) stability, 2) steerability, and 3) acceleration. So you can see, you don't want it.

    I've been instructed that a factory-style clutch pack diff is the best, but maybe that's another sort of religous debate... I'm using one 'cause that's what was cheapest!
    [/b]
    All the debates on diff's I've seen rank the quaife third behind the clutch pack then a locker/spool/welded. Tuning the clutch pack is an art in itself, break-away torque as well as ramp angles and more can be adjusted. Good luck on the Boxter. I'd love to see you do well with it.

    James
    STU BMW Z3 2.5liter

  5. #5
    Join Date
    Oct 2004
    Location
    Northeast
    Posts
    7,031

    Default

    I would call Speedsource. They had at least 1 Boxster they did for the first few years they were in GAC.





    Andy Bettencourt
    New England Region 188967

  6. #6
    Join Date
    Jan 2003
    Location
    Rockaway, NJ
    Posts
    1,548

    Default

    Thanks guys - I did send an email over to Speed Source - remebered that yellow Boxster also - no reply yet.

    I'll put my ebay search out for Boxster LSD - hopefully a little hallucination will come my way :-)
    BenSpeed
    #33 ITR Porsche 968
    BigSpeed Racing
    2013 ITR Pro IT Champion
    2014 NE Division ITR Champion

  7. #7
    Join Date
    Nov 2004
    Location
    Ligonier, PA, USA
    Posts
    1,676

    Default

    I'll put my ebay search out for Boxster LSD - hopefully a little hallucination will come my way :-) [/b]


    LOL Ben! Please make sure you don't eat the wrong LSD too!!! :026:

    BTW I have no interest in anything or anybody I may have recommended. Although I do know Eric Steinel but haven't talked to him in years.


  8. #8
    Join Date
    Jan 2003
    Location
    Rockaway, NJ
    Posts
    1,548

    Default

    Thank goodness the Germans make good cars - Boxster nailed on highway by box truck doing 90 mph - rear ended and flung into woods where trees tore car into little pieces.

    Walked away with a bloody nose - wasn't even sore the next day.

    Awaiting actual cash value payment. Spent $11500 and $600 on brake job - we'll see what I get from insurance. Looking to keep the hardtop and buy another car...
    BenSpeed
    #33 ITR Porsche 968
    BigSpeed Racing
    2013 ITR Pro IT Champion
    2014 NE Division ITR Champion

  9. #9
    Join Date
    Nov 2004
    Location
    Ligonier, PA, USA
    Posts
    1,676

    Default

    Quote Originally Posted by benspeed View Post
    Thank goodness the Germans make good cars - Boxster nailed on highway by box truck doing 90 mph - rear ended and flung into woods where trees tore car into little pieces.

    Walked away with a bloody nose - wasn't even sore the next day.

    Awaiting actual cash value payment. Spent $11500 and $600 on brake job - we'll see what I get from insurance. Looking to keep the hardtop and buy another car...
    Oh WOW!!!!!!!!!! Thank GOD your OK! There goes the Boxster ITR car. Post some picture if you could. Ben your a lucky man and yes good thing Germans build good cars.

  10. #10
    Join Date
    Mar 2002
    Location
    Black Rock, Ct
    Posts
    9,594

    Default

    Jeeeeeeeeeez! Ben that SUCKS! Glad you;re ok....
    A box truck going 90??
    I hope he didn't flee. Did the cops charge him with a metric ton of offenses?
    Insurance will probably attempt to low ball. Don't be afraid to be a complete dick, and negotiate hard. From what I've seen, they try hard to keep costs low and profits high.
    Jake Gulick


    CarriageHouse Motorsports
    for sale: 2003 Audi A4 Quattro, clean, serviced, dark green, auto, sunroof, tan leather with 75K miles.
    IT-7 #57 RX-7 race car
    Porsche 1973 911E street/fun car
    BMW 2003 M3 cab, sun car.
    GMC Sierra Tow Vehicle
    New England Region
    lateapex911(at)gmail(dot)com


  11. #11
    Join Date
    Jan 2001
    Location
    Royal Oak, MI, USA
    Posts
    1,599

    Default

    LOL! Yeah, sounds like you need to try out an ITB Porsche sometime...
    Vaughan Scott
    Detroit Region #280052
    '79 924 #77 ITB
    #65 Hidari Firefly P2
    www.vaughanscott.com

  12. #12
    Join Date
    Oct 2004
    Location
    Asheville, NC US
    Posts
    1,626

    Default

    We ran 2 boxters for a few years in Grand Am at Speedsource. Dead solid reliable for the most part. Have to stand on your head or pull the motor to do almost everything. Weak point is power steering will puke fluid almost every session. Add an overflow tank. I do not think they ever had a manual rack, could be wrong. I will be surprised if they have any time to deal with one until after Daytona. Thrashing to get all the cars ready. David Haskell built the motors for all the boxters and the GS cars as well. Does good work and reliable.
    Steve Eckerich
    ITS 18 Speedsource RX7
    ITR RX8 (under construction)

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