[Healeys] tire pressure

[randerson33 at triad.rr.com]

Len,

I agree with your theory, We have found we get maxium foot print at 32 lbs.
It looks like a range as per your pressure of 28-32 lbs will give the maxium foot print.

Jerry Anderson 
Hendrix Wire wheel
BN4 1957 Longbridge


---- Leonard  Hartnett <thehartnetts at earthlink.net> wrote: 
> Jerry:  Frequently, people ask about tire pressures, not only on this List 
> but to newspaper auto columnists such as Click and Clack.  Often the answer, 
> at least for modern cars, is to follow the auto manufacturer's 
> recommendations.  Since I am concerned that auto manufacturers are apt to 
> recommend a pressure that provides a 'soft' ride, they could be lower than 
> appropriate.
> 
> I would like your opinion on my theory and practice.  I believe that to 
> maximize tire wear and traction, maximum 'footprint' should be obtained. 
> This, to me, means that wear should be even across the entire tread - outer, 
> center, and inner.  Excess wear in the center would mean too high a 
> pressure.  Excess wear on the edges would mean too low a pressure.  Even 
> wear across the tread would mean proper pressure for maximun traction and 
> tire life.
> 
> A response to this theory from Vredestein seemed to imply that there was a 
> wide range of pressures with radial tires wherein the maximum tread contact 
> would be achieved.  However, we just purchased a newer family car (2007 
> Toyota) and the tires (Continental) showed excess wear at the edges.  My 
> Healey has Vredestein 185s and six months after installation were showing 
> excess wear at the edges.  I upped the pressure to 28 psi and wear at about 
> 15,000 miles seems to have stabilized evenly across the tread.
> 
> Your thoughts would be appreciated.  Thanks.
> 
> (The Other) Len
> Vacaville,  California,  USA
> 1967 3000 MKIII, HBJ8L39031
> 
> 
> ----- Original Message ----- 
> From: <randerson33 at triad.rr.com>
> To: "Breda O'Sullivan" <conbreda at eircom.net>
> Cc: <healeys at autox.team.net>
> Sent: Saturday, July 28, 2007 2:47 PM
> Subject: Re: [Healeys] tire pressure
> 
> 
> > Brenda,
> >
> > We recommend 32# in 185/70/15 tires that we install in our shop.
> >
> > Jerry Anderson
> > Hendrix Wire Wheel
> > BN4 1957 Longbridge
> >
> > ---- Breda O'Sullivan <conbreda at eircom.net> wrote:
> >> Hi Guys,
> >>
> >> Would welcome advice on what tyre pressure I should be using on my 100/6
> >>
> >> I am running on 185/70R15 tyres.
> >>
> >> Thanks
> >> _______________________________________________
> >> randerson33 at triad.rr.com
> >>
> >> Healeys at autox.team.net
> >> http://autox.team.net/mailman/listinfo/healeys
> > _______________________________________________
> > thehartnetts at earthlink.net
> >
> > Healeys at autox.team.net
> > http://autox.team.net/mailman/listinfo/healeys