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Joe Weinstein Joe Weinstein is offline

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  1. Joe Weinstein
    04-21-2016 05:25 PM
    Yow! Why the sale? Unhappy for any reason?
  2. jpgunn
    04-21-2016 03:08 PM
    I just sold my GT4... Going to SSP for now in the Viper ACR Extreme, and will do some big track time trials in it. Hoping the ACR gets classed in SS too. I don't think it will be an over dog in SS AutoCross. Big and heavy.
  3. jpgunn
    04-20-2016 08:42 PM
    Joe,

    Setting up the GT4 for AutoX.
    1. Lower car 3 to 6 turns from factory height.
    2. put 8mm shim in front LCA and set front Camber to -2.7 with 0 toe to 1/8 out
    3. Max rear camber and set toe to 3mm in per side (6mm total)
    4. On stock wheels -- add a 5mm spacer in front (Porsche spacer and longer bolts) -- helps get rid of the final bit of push.
    5. Set Sway bars to -- front in Middle and Rear Full Stiff

    Tires -- Michelin seem faster (about 1 second on a 60 second course).
    Michelin PSC2: Adjust within the range. A little more bite can be achieved at 33 with a little worse wear...
    Front 33 to 35
    Rear 33 to 35

    Dunlops
    Front 29 to 30
    Rear 30 to 31
  4. ExMB
    03-30-2016 04:47 PM
  5. ExMB
    01-28-2016 03:50 PM
    I track so PCCBs are a non issue for me. Expensive hype IMHO and definitely not worth anything on resell, per RL posts, compared to what SAs claim in the initial order git-go.
  6. jpgunn
    01-25-2016 12:12 AM
    Joe -- Definitely will. I need them soon.
  7. ExMB
    01-23-2016 06:03 PM
    Hi exMB, it seems you have a lot of valuable experience, so I ask... I am a GT4 waiter, a rabid autocrosser, and my SCCA rules allow a 1" downsized wheel, up to 0.25" offset change, and no width change at all. If you needed 19x8.5 and 19x11 wheels to fit the GT4, where would you go? I'm reading the 18 or 19 thread...
    Thanks for your time,
    Joe
    .............
    For wheels I would look at companies that do custom offsets: like Forgeline, Finspeed etc. I would stay away from companies that tell you they have something but then only have predetermined offsets than might require spacers and longer bolts. Posts 34 - 41 of the thread should give you a better feel. Limitations are mainly in the rear with the toelink as shown in the picture in that thread. I can be solved several different ways: barrel size, offset, etc.
  8. Bill Lehman
    12-14-2015 09:55 AM
    I've been running -3.0 F and -2.5 R camber, 0 F toe and 1/16" total R toe in my current car and don't expect to change much for the GT4. Most new to tracking a GT4 are running the F bar soft, I'm planning to leave it in the middle and try the rear bar 1 off full stiff. I will check corner balance but am not planning to change ride height at first. I am following the BGB Blog, good info there.

About Me

  • About Joe Weinstein
    Biography
    http://www.sfrscca.org/solo2/Results/2007/Championship/t2.html http://www.sfrscca.org/solo2/Results/2006/Championship/asp.html http://video.yahoo.com/video/play?vid=112495
  • Signature
    2006 NorCal SCCA autocross champion ASP DOT race tire class(996 turbo)
    2007 NorCal SCCA autocross champion street prepared/street-tire index class (996 turbo)
    2011 NorCal SCCA autocross champion ASP DOT race tire class (996 turbo)
    2012 NorCal SCCA autocross champion Super Stock class (C5 Z06)
    2014 NorCal SCCA autocross champion A-MOD class (Palatov D2)
    2016 NorCal SCCA autocross champion Super Street class (981 GT4)
    An autocross video that includes me running the turbo

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  • Last Activity: Today 12:22 AM
  • Join Date: 10-06-2003

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