Rich,
For what it is worth, the decrease in my autocross
times is due not only to the Kumho 710's, but also to
the "full race" suspension set-up (alignment) done this year
on my car. I'm guessing each is worth about half the
improvement...
thx,
Al Patterson
----- Original Message -----
From: "Richard Urschel" <osp13@mybluelight.com>
To: <ba-autox@autox.team.net>
Sent: Thursday, April 21, 2005 10:12 AM
Subject: How much faster are racing slicks?
> In 1998 I measured a 2.1% reduction in comparative times between new
> Hoosier Autocrossers (Bias-ply R tires) and Hoosier bias-ply slicks. This
> past weekend I measured 2.4% reduction between new Hoosier Autocrossers
> and Goodyear bias-ply slicks.
>
> Here's what is interesting: Al Patterson (Viper) and I were running
> comparative times last year when I was on Autocrossers and he was on
> Hoosier Radial R tires. This past weekend we again ran comparable times
> with me on Goodyear slicks and him on Kumho 710's.
>
> I am so looking forward to getting the faster green car back with a 45%
> increase in horsepower (Zetec).
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