[DeTomaso] !7" wheels on stock body Pantera

Thu Oct 14 17:07:53 EDT 2010

Well there you have it. Rim width is defined as the inside measurement.

Tomas
  -----Original Message-----
  From: boyd casey [mailto:boyd411 at gmail.com]
  Sent: den 14 oktober 2010 21:31
  To: Tomas Gunnarsson
  Cc: detomaso at realbig.com
  Subject: Re: [DeTomaso] !7" wheels on stock body Pantera

  The internal width was .5" narrower then the outside width   including the
lip .25" lip on each side. My wheels did not have an "advertised size
(width) because they were custom made. I ordered wheels that were 9" wide an
they measure 9" in width internally (where the tire fits) but 9.5" if
measured externally outside edge to outside edge ( same thing with the rear
wheels) 12" internally but 12.5 outside edge. This did not present a problem
because the tires (235/40R/18) at the widest point are 9.57" ( approved rim
width's according to Nitto)  8.00" (8.50') 9.50") Rear 335/30ZR19are 13.31"
with an approved rim size's of  11.50" (12.00") 12.50" My wheels have a
reversed lip so they look flatter on the outside rim edge ( this may explain
the difference between the actual internal width and external width
measurements)

  Boyd

  On Thu, Oct 14, 2010 at 2:16 PM, Tomas Gunnarsson <guson at home.se> wrote:

    I've never come across a wheel that was off the advertised width by as
much
    as .5". Are you measuring the width inside the rim edges?

    Tomas

    -----Original Message-----
    From: detomaso-bounces at realbig.com
    [mailto:detomaso-bounces at realbig.com]On Behalf Of boyd casey
    Sent: den 14 oktober 2010 16:27
    To: Asa Jay Laughton
    Cc: detomaso at realbig.com
    Subject: Re: [DeTomaso] !7" wheels on stock body Pantera

    A rim that is quoted as 9" wide is really 9.5. The tire width is even
wider.
    For instance my rear  rims are 19" X12" the actual width is 12.5" and
the
    width of the tire ( which is a whole other story) is 13.31". I have
Nitto
    Nt-05's and my front tires are 235/40zr/18 which are actually 9.57"wide.
The
    tire Mfg will tell you the rim size (minimum, optimal, and maximum
width )
    that can be used for a particular size tire. On a narrow body car (like
    mine) I believe you will be unable to use a front tire that is 275/40/17
,
    if that were a nitto NT-o5 (I am using their size table) it would have
an
    outside diameter of 25.59" and a width of 10.79, That is a bigger tire
in
    both diameter and width then my 235/40/18 which has an outside diameter
of
    25.43" and a width of 9.57". I had numerous contact problems. I had to
    increase my caster by modifying my upper A-arms ( which brought my wheel
    toward the back of the car) I had to roll my fender lips and I still had
    contact problems at full lock with the windshield wiper motor cover (
which
    I had to modify) This is with a tire that is only 9.57"wide Yours would
be
    more then  an inch wider at 10.57". Personally I don't think it's going
to
    work out . Check the tire manufacturers specs for rim vs tire sizes so
you
    will know what size rims you can use with your tires. I think you would
be
    better off selling you front tires and going with a a different size
like a
    225/40/17 or 235/40 /17  .When I replace my front tires I am going to
down
    size to 225/40/18 which is also a smaller over all diameter (25.08"
9.06"
    width) which will give me more of a down ward rake or slope which is
    supposed to reduce high speed lift in the front of the car, and should
    eliminate all my contact problems.

    Boyd

    On Thu, Oct 14, 2010 at 9:51 AM, Asa Jay Laughton <asajay at asajay.com>
wrote:

    >  I know of people who have gone so far as 9" on front and 11" on rear.
    > When I was trying to measure my stock body L model, that's about the
max
    > I figure she could take.
    >
    > Asa Jay
    >
    > Asa Jay Laughton, MSgt, USAFR, Retired
    > &  Shelley Marie
    > Spokane, WA
    > ******************************
    > http://www.racingagainstautism.com
    > http://www.teampanteraracing.com
    >
    >
    > On 10/13/2010 22:19, burrid1 at netzero.net wrote:
    > > Wow! My sincere thanks for the advice and information, with a
special
    > thanks to Boyd, Ken, and Michael, as they really went above and
beyond. I
    > currently have a set of 275/40/17&  335/35/17 tires. Ideally I would
like
    to
    > have a wheel allowing maximum exposure for the braking system (I like
    > Campi's, but it looks like it's not going to happen this time). Is it
    > possible to get 10" (min. 9") rims on the front and 12" (min. 11") on
the
    > rear? Do you know of anyone who has installed 11"&  13" on their stock
    body
    > Pantera?
    > > ____________________________________________________________
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