Re: Dunlop D60A2's

["Anthony K.B. Chan" <chan@seattleu.edu>]

I thought H-rated tires goes up to 130mph. 

Anthony Chan, First Hill, Seattle, WA, USA.
chan@seattleu.edu
92' 100 V6 Tornado Red.

On Thu, 19 Sep 1996, Gary G. Erickson wrote:

> Date: Thu, 19 Sep 1996 10:06:30 -0700
> From: Gary G. Erickson <erickson@teleport.com>
> To: Alan Callery <alan_callery@intalco.com>
> Cc: quattro@coimbra.ans.net
> Subject: Re: Dunlop D60A2's
> 
> Alan Callery wrote:
> > 
> > I have followed with interest the thread on these tires.  It's now time
> > again for new one's and I trust the opinions of the q-list.  I had my TQW in
> > yesterday checking the alignment and was that it was totally in spec, so why
> > were my current tires wearing funny?  The alignment specialist told me that
> > the cords were separating on the "S" rated tires currently on the car.  Upon
> > mentioning the list and the Dunlop D60A2 tire, he also showed me that turbo
> > Quattros specifies a "V" rating tire whereas the D60A2 has an "H" rating.
> > Has anyone experienced tire breakdown with the D60A2 because of this
> > slightly less than spec rating?  I'm buying them today @ $83 +mbs unless the
> > list thinks there may be a problem.
> 
> Al,
> 
> It was my understanding, (and I'm sure I'll get corrected if I'm wrong
> <grin>) that unless you're planning on pushing the envelope fairly far,
> you should need to worry about the tire's speed rating.  After all, an
> "H" rating is something like 113 MPH.  For the funny tire wear, you
> might want to double-check the air pressure.  I've found that D60's like
> it much better a bit above the pressure marked on your car or the
> sidewall of the tire.  I usually run ~40psi on mine.  YMMV
> 
> Unless you're planning to spend alot of time at or above 113 you
> shouldn't need to go to "V" rated tires.  I spend multiple days on the
> track each year, am not know for sedentary driving, and occasionally run
> a sprint around 110-120 mph and haven't had a problem with my D60's. 
> I'm breaking in my fourth set now.
> 
> FWIW, I know that Eric Fletcher (STEADIRIC) runs D60's on his monster,
> and I'm sure that it sees speeds in that region _occasionally_.  ;-)
> 
> HTH!
> 
> Gary
> -----------------------------------------------------------
> Gary G. Erickson            Member #82 NW Audi Quattro Club
> Business Solution Integrators, Inc.
> 503-702-5789                  e-mail: erickson@teleport.com
>