Well, confirmation from the Hoosier tire website:
43120
19.5 x
7.5-10
F500
7.5"
19.5"
61.2"
7-8"
8"
9.5"
R25A
No mention of R35 compound. They are still available in the 18" size though:
43105
18.0 x 7.5-10
F500
7.5"
18.3"
57.5"
7-8"
8"
9.5"
R25A,
R35
----- Original Message ----
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: [email protected]
Sent: Friday, June 15, 2007 11:27:04 PM
Subject: Re: [F500] R35 race tires
Agree in principle but, I called Hoosier a couple of years ago when the new
compounds emerged and got the straight "skinny" on the differences:
R25 to R25A - Overall better grip and better wear characteristics.. Also
fires (gets up to operating temp.) faster (~1-2 laps). We've got used
R25A's with more than one season on them that the durometer indicate are
softer than unscuffed R25's (yes, I scuffed off a patch to get a good
reading). The Hallett surface and July temp.'s will probably eat these
things up in a day.
R33 to R35 - R35 fires as fast as the old R25 (2-4 laps). Grips better than
the R33 with better wear characteristics. I wouldn't even pack these for a
Winter race (e.g., Feb. Double's, etc.).
Your choice but, Cory is right: The hotter the ambient and more abrasive
the surface, the more likely you should consider the harder compound.
As the ads state, your results may vary.
Dave Gill
----- Original Message -----
From: "Cory McLeod" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, June 15, 2007 1:21 PM
Subject: Re: [F500] R35 race tires
> Charlie,
>
> After destroying a set of R25As in one session at TMS in May, I decided
> to try R35s for the rest of the summer. They have worked great. They
> take about a lap more to come in, but are extrememly consistent. I have
> run one set for approx 7 short sessions with hardly any decrease in
> performance. I will be runnning them from now on whenever the ambient
> temp is above 75 degrees.
>
> Cory
>
> Charlie Schlismann <[EMAIL PROTECTED]> wrote:
> also posted on eformulacar.
>
>
> Thinking about trying R35. Was not fond of the old R33
> and have been using R25 and 25A's for years.
>
> I'm sure this has been beaten to death in the past but
> I did not pay attention then and cannot access the
> archives now.
>
> What can I expect?
>
> TIA,
> Charlie
>
>
>
> ---------------------------------
> Get the free Yahoo! toolbar and rest assured with the added security of
> spyware protection.
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