[DeTomaso] tire pressure help needed-Jim brings up a GOOD point

Tomas Gunnarsson guson at home.se
Tue Feb 10 16:21:10 EST 2009


OK. I've never driven my car on anything else than 8+10 with 50 series tires and didn't recognize your experience.

Tomas
  ----- Original Message ----- 
  From: michael at michaelshortt.com 
  To: Tomas Gunnarsson 
  Cc: detomaso at realbig.com 
  Sent: Tuesday, February 10, 2009 10:00 PM
  Subject: Re: [DeTomaso] tire pressure help needed-Jim brings up a GOOD point


  Stock 1971 wheels, 7's and 8's with tires sizes to be sent to you later, but bigger than what you listed.

  The problem was the massive ( to me anyway ) sidewalls, I was not used to them and with some practice 
  I'm sure they could be safe, but at lower speeds, slower cornering entry and exit and everything else that I wouldn't want to give up.

  Michael in Savannah


  On Tue, Feb 10, 2009 at 3:53 PM, Tomas Gunnarsson <guson at home.se> wrote:

    Where those wheels 8"+10" with 225/50 and 285/50 tires or 7"+8" with 185/70 and 215/70 tires (or something else)?

    Tomas


    ----- Original Message -----
    From: "michael at michaelshortt.com" <michaelsavga at gmail.com>
    To: <JDeRyke at aol.com>
    Cc: <detomaso at realbig.com>; <kmaguire at landrovermiramar.com>
    Sent: Tuesday, February 10, 2009 9:34 PM
    Subject: Re: [DeTomaso] tire pressure help needed-Jim brings up a GOOD point


    > Absolutely!
    >
    > I can also relay another story of my own that happened in 2007.
    >
    > I decided to do better in the Hilton Head Island Concourse event that I
    > would put on the original, freshly refinished and newly stickered Campys on
    > the car for the show,
    > I also decided to drive it over there with those tires/wheels on the car.
    >
    > I about crapped my pants!  the car was a handful to drive, wallowed all over
    > the place, would not hook up, I about drove it into a ditch, it was in a
    > word, scary!
    >
    >
    > With my 245-40-17 and 335-35-17 tires, it's a freaking go cart, drives like
    > it is on rails, I can make it do about anything I want, but on those
    > original sized wheels and tires,
    > I sat up straight and drove like Grandma going to church, they will never
    > see the pavement again unless it's for a show and unless they can be changed
    > when I get there.
    >
    > Michael in Savannah
    >
    >
    >
    >
    > On Tue, Feb 10, 2009 at 3:12 PM, <JDeRyke at aol.com> wrote:
    >
    >> In a message dated 2/10/09 10:15:25 AM, kmaguire at landrovermiramar.comwrites:
    >>
    >> > I cannot understand what the DeTomaso logic is for putting more pressure
    >> in
    >> > the front tires vs. the rear since the car is also mid engine.
    >> >
    >> IMHO the most treacherous sportscar ever sold to an unsuspecting public was
    >> the original 911 Turbo; most were crashed backwards into immovable objects.
    >> But
    >> after 40+ years of development, they handle quite well.   Likewise, don't
    >> draw too many conclusions from OEM Panteras that originally ran 185-70
    >> belted-bias tires in front and 215-70s in the rear.   Nowadays, with giant
    >> radials
    >> common and aftermarket -everything suspensions, tire pressures are a
    >> fine-tuning
    >> tool. To further confuse things, belted bias tires 'tune' by reducing
    >> pressures
    >> while radials tune by increasing pressures. But it all assumes the car is
    >> already balanced, has decent tires, good shocks and the proper swaybars.
    >> See the
    >> article in the POCA News, taken from a recent Grassroots Motorsports
    >> magazine,
    >> on the effect of tire pressures on handling. Cheers- J Deryke
    >>
    >>
    >> **************
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    > --
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    >
    > Michael L. Shortt
    > Savannah, Georgia
    > www.michaelshortt.com
    > michael at michaelshortt.com
    > 912-232-9390
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  Michael L. Shortt
  Savannah, Georgia
  www.michaelshortt.com
  michael at michaelshortt.com
  912-232-9390


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