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Factory Air Brakes

Discussion in '308/328' started by DANCER308, Jun 3, 2013.

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  1. DANCER308

    DANCER308 Formula Junior

    Oct 24, 2009
    935
    KY
    Full Name:
    Dan
    #1 DANCER308, Jun 3, 2013
    Last edited by a moderator: Sep 7, 2017
    My air brakes were not connected when I purchased my 308. It was time to correct this. They work just fine now, except they will not employ unless I’m above 120 MPH. I would like them to employ when I’m above 95. I have located the inertia damper sensor and it seems to be functioning perfectly. I was thinking of installing a variable low pressure sensor on the damper so that I can adjust the speed at which the brakes will employ. I have the new sensor set at 35 tetrons and was wondering if it should be set to 40. Any ideas?












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  2. Tarik

    Tarik Formula Junior

    Jun 1, 2011
    381
    Philly Suburbs
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    Tarik
    #2 Tarik, Jun 3, 2013
    Last edited by a moderator: Sep 7, 2017
    Mine are also set at 120mph, with Stage Two deploying at 135mph. I would be very careful using a variable low pressure sensor, as you may experience unintended deployment in certain atmospheric conditions.

    The negative g-force is serious when Stage Two opens up!

    Ask me how I know!!! :)

    I've never experienced Stage Three, which would block all forward visibility as I understand it.
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  3. DANCER308

    DANCER308 Formula Junior

    Oct 24, 2009
    935
    KY
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    Dan
    What if I were to use a biothermal dampener on the plasma manifold? Would this prevent unintended deployment during gravimetric shift?
     
  4. klatu

    klatu Formula Junior

    Apr 13, 2009
    277
    San Diego
    Full Name:
    Rob Mckinney
    SAY WHAT. You gotta be sh--ting me.

    KLATU
     
  5. nicce12

    nicce12 Karting

    May 22, 2013
    76
    Stockholm, Sweden
    Full Name:
    Niclas Olovsson

    Interesting, yours seem to be the original mount and not the service upgrade with the swivel mount that gives the option to deflect them down for increased down-force - check with your Ferrari service station, they might still have a kit around...

    Cheers, Niclas
     
  6. Tire Fryer

    Tire Fryer Karting

    Feb 18, 2013
    154
    Farmers Branch, TX
    Full Name:
    Christopher Williams
    I was led to believe the service upgrade with the swivel mount was only available for Euro cars and would not work in the states due to US downforce measurements being in PSI.
     
  7. Tarik

    Tarik Formula Junior

    Jun 1, 2011
    381
    Philly Suburbs
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    Tarik
    I think it depends whether the OP has a euro front spoiler or not...
     
  8. Jonny Law

    Jonny Law F1 Rookie
    Silver Subscribed

    May 6, 2008
    3,199
    Over yonder.
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    IT Guy
    The GTB's only have a half size, and the right side always seems to jam.
     
  9. DANCER308

    DANCER308 Formula Junior

    Oct 24, 2009
    935
    KY
    Full Name:
    Dan
    Oh no! I do...
     
  10. rickyrybo

    rickyrybo Rookie

    Feb 4, 2009
    32
    Bellport, NY
    Full Name:
    Rick
    You are correct, here is a link describing (in layman's terms) the physics involved.
    Rick.


    [ame=http://www.youtube.com/watch?v=Ac7G7xOG2Ag]"Turbo Encabulator" the Original - YouTube[/ame]
     
  11. Brian A

    Brian A F1 Rookie

    Dec 21, 2012
    3,139
    SanFrancisco BayArea
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    1983 US 308 GTS QV
    #11 Brian A, Jun 3, 2013
    Last edited: Jun 3, 2013
    I don't believe this is true. The reason simply was that Ferrari decided not to incur the expense of US Federalization.

    With the processing speed of CPUs in modern vehicle dynamic systems, I expect that this technology can also now be applied for single air-brake force vectoring while cornering. This is usually done with eDiffs, iBrakes etc, but a retrofit to a 308 GTS does not seem infeasible. This technology was banned in F1 about 10 years ago.

    This is all subtle stuff. OP: You would see a greatly reduced effect by removing the wheel chock from your wheel that is shown in your picture.
     
  12. Tarik

    Tarik Formula Junior

    Jun 1, 2011
    381
    Philly Suburbs
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    Tarik
    I love the Turbo Encabulator!

    I've never thought of retrofitting one into my 308... I did purchase one of the original prototypes on eBay a few years ago, so I may try to make it work...
     
  13. DANCER308

    DANCER308 Formula Junior

    Oct 24, 2009
    935
    KY
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    Dan
    CHOCK??? Surely you recognize a phase discriminator when you see one!
     
  14. deeprivergarage

    deeprivergarage Formula Junior
    Owner

    Oct 3, 2009
    560
    S of Fort Worth
    Full Name:
    Jerry
    For extremely high speed lateral stabilization under maximum air brake application I also have the very rare factory option that allows the headlight modules to automatically deploy independently, i.e. left or right, via the driver's seat sensor attenuation transducer. It was referred to by the factory engineers as the "seat of the pants" driver option.

    Jerry
    DRG
     
  15. pappy.72

    pappy.72 Formula Junior

    Nov 13, 2010
    536
    Elgin, IL
    Full Name:
    Dave
    I recently recalibrated my lateral gust deflectors on my 328 to generate more thrust compensation when making turns over 0.89g. I have them adjusted after a day on the skid pad and she handles so much better. When one side opens up during a turn the car just goes faster and faster throughout the entire turn.
     
  16. Brian A

    Brian A F1 Rookie

    Dec 21, 2012
    3,139
    SanFrancisco BayArea
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    1983 US 308 GTS QV
    Oops. It was glowing so brightly that I mistook it for orange plastic.
     
  17. DANCER308

    DANCER308 Formula Junior

    Oct 24, 2009
    935
    KY
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    Dan
    "Seat of the Pants"..... Awesome! I gotta get that option.
     
  18. don_xvi

    don_xvi F1 Rookie

    Nov 1, 2003
    2,934
    Outside Detroit
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    Don the 16th
    Did you know that the variable phasing actuators use blinker fluid? The O.E. stuff is NLA, so it's best to get a set of cloudy factory turn signals or an N.O.S. set and drain the fluid into your actuators for best performance. Replace the blinker bulbs with LEDs and make them work faster, too!
     
  19. ragtop1

    ragtop1 F1 Veteran
    Silver Subscribed

    Nov 11, 2006
    5,225
    Ontario
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    Larry Warren
    #19 ragtop1, Jun 4, 2013
    Last edited by a moderator: Sep 7, 2017
  20. Tokyo Drftr

    Tokyo Drftr Formula 3

    Jan 18, 2009
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    Ро&#1081
    #20 Tokyo Drftr, Jun 4, 2013
    Last edited: Jun 4, 2013
    i was able to modify the actuators by employing timing belts. Drawback, they need to be changed every 3 months.
     
  21. don_xvi

    don_xvi F1 Rookie

    Nov 1, 2003
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    Don the 16th
    Dude, seriously!?!!? You used new timing belts?!?! That's just the dealer trying to push parts sales. I know a guy that's used old takeoff timing belts and leaves them on for TWO engine timing belt replacement cycles. But it's a false economy, as I can assure you: they work better as-designed with OE blinker fluid!
     
  22. smg2

    smg2 F1 World Champ
    Sponsor

    Apr 1, 2004
    16,232
    Dumpster Fire #31
    Full Name:
    SMG
    also was optioned as thrust vector bilateral yaw attitude adjustment, careful though as that rare option is also known to 'blink' causing highly unstable vector correction. something do to with the capacitance fluid and incompatibility with the plasma driven transducers in high flight humidity. though the turbo encabulator does fix this, but it's the metric tensor option that's needed, neither the bsp or sae ones will work.
     
  23. Saabguy

    Saabguy Formula 3

    Mar 28, 2012
    1,785
    Shreveport, LA
    +1 for what Johnny Law said!

    If you have a mis-deployment, at speed, on a straightaway (Like Mulsanne or I30) your vehicle will first veer hard to that side, then the blinker fluid (ONLY USE OEM!! Ask me about that fiasco!) washes over to the other side violently causing the opposite side to deploy and sets up a vicious cycle that many can't recover from!

    These cars are fun but YOU HAVE TO DO REGULAR MAINTENANCE! They aren't Honda's!

    Be dafe out there people.

    Lester
     
  24. Tarik

    Tarik Formula Junior

    Jun 1, 2011
    381
    Philly Suburbs
    Full Name:
    Tarik
    #24 Tarik, Jun 5, 2013
    Last edited: Jun 5, 2013
    I'm pretty sure Verell was working on a Metric Tensor Option that would bypass the inherent deficiencies of the BSP and SAE options. As I recall, his design includes balsa wood which has been specially fortified by an overnight soaking in Elmer's Glue.
     
  25. Saabguy

    Saabguy Formula 3

    Mar 28, 2012
    1,785
    Shreveport, LA
    I thought so too.. he is but he's a little backlogged.. should be out in a few years if he doesn't get too busy. He's trying to get official approval for putting the horsie on it and that seems to be taking up a lot of his time. Well that and the court appearances regarding the horsie on his toothbrush wheel cleaner

    Lester

     

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