Date:         Thu, 31 Jul 2008 00:51:40 -0700
Reply-To:     Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Subject:      Re: 15" tire pressures?
Comments: To: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
              reply-type=original

yuck yuck.
roll rates and roll centers are different than stability, or lack thereof,
related to tires, wheels etc.
But don't believe me, OK ?

----- Original Message -----
From: "Jake de Villiers" <crescentbeachguitar@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, July 31, 2008 12:02 AM
Subject: Re: 15" tire pressures?


> Sure it is Scott - understeer is understeer, whether via a thicker rear
> bar,
> harder rear tires or dual rear wheels.
>
> All of those things make the rear resist directional change.
>
> Yuck
>
> On Wed, Jul 30, 2008 at 5:10 PM, Scott Daniel - Turbovans <
> scottdaniel@turbovans.com> wrote:
>
>> hi,
>> not interested in a big ole hairy debatge Chris,
>> but do want to say one thing relative to your comments.
>>
>> rear staibility ( the oppostite of oversteer ) in a vehicle achieved
>> through
>> rear rim width, tire width, tire sidewall stiffness,
>> and tire pressure.....
>> is not at all the same as adding a rear antisway bar, or a stiffer rear
>> anti-sway bar.
>> scott
>> ----- Original Message -----
>> From: "Chris S" <szpejankowski@GMAIL.COM>
>> To: <vanagon@GERRY.VANAGON.COM>
>> Sent: Wednesday, July 30, 2008 11:57 AM
>> Subject: Re: 15" tire pressures?
>>
>>
>>  That's interesting.  I've put 50psi in front and rear of my Westy and
>> felt
>>> that handling with anything less up front killed steering feel,
>>> increased
>>> understeer and increased stress on front tires.  It improved handling
>>> too.
>>> My tires have always worn evenly as well.
>>>
>>> I also use proper 8-ply tires.
>>>
>>> 2008/7/30 Mike Collum <collum@verizon.net>
>>>
>>>  Chris S wrote:
>>>>
>>>>  If the stock Vanagon has a 52/48 F/R weight distribution why do you
>>>> run
>>>>> so
>>>>> much pressure in the rear compared to the front?
>>>>>
>>>>>
>>>> I'd say it's because VW figured out that Vanagons handle (steer) much
>>>> more
>>>> reliably that way ... regardless of the weight distribution.
>>>>
>>>> I always run mine with about 10 lbs more in the rears than in the
>>>> fronts.
>>>>  I'm using properly rated tires, of course.
>>>>
>>>> Mike
>>>>
>>>>
>>>
>>>
>>> --
>>> Chris S.
>>> "Beware the Subie Vultures"
>>>
>>
>
>
> --
> Jake
> 1984 Vanagon GL
> 1986 Westy Weekender "Dixie"
> Crescent Beach, BC
> www.crescentbeachguitar.com
> http://subyjake.googlepages.com/mydixiedarlin%27