Bill, as you may know, the tire contact surface area is less a tennis
shoe. So for the everyday drive, Honda, Rolls, whatever, or your Tiger,
you need to know what is happening with your car, with your tires, and
the load in your car.
Your example is a perfect example.
Now on the other side of the coin, if you had a new 2003 Mercedes AMG
SL55, you could only go 186 mph, not the 209 mph the car is capable of,
since the weight of the car is 4300 lb., and W rated tires only go to
186 mph.
Of course, our Tigers don't have that problem.
Larry
Bill Blue wrote:
>
> I think Larry is on the right track. I had an 1800 pound kit car which the
> manufacturer recommended using 185-80-13 @ 17 psi. Worked good, too.
> Surprisingly, it handled better at the lower pressure than at the more
> "conventional" pressures. At higher PSI it wanted to bounce around all over
> the road. Run whatever works, and the temp guage will tell you what is
> working.
> Bill
> ----- Original Message -----
> From: "Larry Paulick" <larry.p@erols.com>
> To: <ssage@socal.rr.com>
> Cc: "Tiger Mailing List" <tigers@autox.team.net>; "Alpine Mailing List"
> <alpines@autox.team.net>
> Sent: Saturday, March 30, 2002 12:59 PM
> Subject: Re: Tire Pressure??
>
> > Hi Steve. These tires are not the same size as the originals, so manual
> > does not apply.
> >
> > If you want to find out what is right for your car, and your driving
> > style, buy an IF temp meter, drive the car, test the temp across the tire.
> >
> > Radio Shack has one for $50, and it's pretty accurate. You can also
> > check the temp gauge, AC ducts in house, what ever.
> >
> > Larry
> >
> > ssage@socal.rr.com wrote:
> > >
> > > I have Pirelli 185-70-13 (13") tires on my Tiger I bought a few months
> > > ago. What's the best tire pressure to use for street driving? The tire
> > > shops always want to go to 30-32 lbs. which gives a retty harsh ride.
> > > The Tiger owner's handbook says 26 lbs up TO 110 mph, 32 lbs. over 110
> > > mph. Since I only occassionally go over 110 mph (like when I'm going to
> > > the market or driving by schools), is the 26 lbs. appropriate with
> > > modern tires?
> > >
> > > Steve Sage
> > > 1967 MK1A
> >
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