[DeTomaso] tire opinion

[Dagny Kristine Bakken]

>>> Yes,the the orginal tires were 70 series.The number 70 as in 185/70x15
,are the tires profile,a sidewallheight in percentage of the tires width.In
this case 70% of the width of the tire.If you change to 185/60x15,you will
have a tire with a sidewallheight of only 60% of the tirewidth,thereby
giving a smaller diameter of the tire,witch lowers the car,and in addition
you have shorter sidewalls and thereby redused sidewallflex.The changeover
from a 185/70x15 to a 185/60x15 will give a redused diameter of nearly 4
centimeters thereby lowering the car 2 centimeters,something like 0.8
inches.Thats why i suggested the changeover from the original"tall" 70
profile to the 60 profile,as this will be great for more spirited driving
with the car :)

Eyvind Bakken
 

-----Opprinnelig melding-----
Fra: Tomas Gunnarsson [mailto:guson at home.se] 
Sendt: 9. mars 2007 20:08
Til: Dagny Kristine Bakken; MikeLDrew at aol.com; garth_rodericks at yahoo.com;
detomaso at realbig.com
Emne: Re: [DeTomaso] tire opinion

But the original tires were 70 series in the widths you list.

Tomas

----- Original Message -----
From: "Dagny Kristine Bakken" <dagny-kr at online.no>
To: <MikeLDrew at aol.com>; <garth_rodericks at yahoo.com>; <detomaso at realbig.com>
Sent: den 8 mars 2007 22:40
Subject: [DeTomaso] tire opinion


> >I guess those wanting to stick with the 7 and 8 inch rims are the only of
> us drowning in tire choices at reasonable prices :) .However a change to a
> lower tire like 185/60x15 and 225/60x15,will get the car and weight down
to
> get higher cornerspeeds.I found some lines about the Arriva changeover,in
> Wallace A Wyss good book :De Tomaso Automobiles.The author writes:Although
> the Michelin and Pirelli were well respected brands,Ford was worried that
> they might break traction rather suddenly at the limit of  adhesion,and
were
> not ideal for use on a car with the majority of its weight over the rear
> wheels as this often give oversteer tendencies.The pantera,however,was
more
> controllable than the mangusta in this respect, as it had a stiffer
> structure.Ford then worked with Goodyear to develop the Arriva.It was a
bias
> belted tyre ,which Ford felt was less likely to suffer from sudden
breakaway
> like a radial.Unfortunately,the Arriva tyres soon went out of round,and if
> parked too long ,they got flat spots which made slapping noises and caused
> vibrations after a cold drive-away.Their wet-weather traction,too,was also
> marginal.
>  
> Eyvind Bakken
> 
>   _____  
> 
> Fra: MikeLDrew at aol.com [mailto:MikeLDrew at aol.com] 
> Sendt: 7. mars 2007 21:19
> Til: garth_rodericks at yahoo.com; dagny-kr at online.no; detomaso at realbig.com
> Emne: Re: [DeTomaso] tire opinion
> 
> 
> 
> 
> In a message dated 3/6/07 13:31:08, garth_rodericks at yahoo.com writes:
> 
> 
> 
> << However, I believe U.S.    Panteras (L and pre-L) came with Campy 7's
and
> 8's, front and    rear, mounted with Goodyear Arriva tires in 71-74
mounted
> with    the following size tires... >>
> 
> 
> 
> >>>The Arriva wasn't introduced until the advent of the L-model, fall of
> '72. 
> 
>  Pre-L cars came with absurdly narrow and tall tires:
> 
> 
> 
> 185/70-15 front, and either 215 or 225/70-15 rear
> 
> 
> 
> Occasinally you'll see a Pantera wearing 'original' tires like that, and
> they 
> 
> look hilarious to our modern eyes.
> 
> 
> 
> Mike
> 
> 
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