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Kumho Supra 712 tire test - in process

To: Bay_Area_Autocross_List <ba-autox@autox.team.net>
Subject: Kumho Supra 712 tire test - in process
From: "Watson, Mark" <Mark.Watson@Schwab.COM>
Date: Tue, 6 Jun 2000 09:45:03 -0700
Well, I now have a new set of Kumho 712's mounted on the Integra -
195/55-15's     I plan to use the tires for everyday driving as well as
potential tires for STS or STR (in rainy conditions)

I will attempt to get some real numbers as to the overall performance of
this really aggressively priced newcomer to the ultra-high performance tire
lineup.
If you haven't seen the resent Ads for the new Kumho, the tread layout is
similar to a Bridgestone S02 - only it has a large center grove in the
middle of the tire. 

Traction rating - AA     Temp rating - A      Treadwear 320       Cost -
$64/ea 

INITIAL IMPRESSION  (approx. 2 weeks of town/highway driving)

Quiet on most surfaces, sharp bumps, lane reflectors and pavement expansion
joints are the only things that transmit noise, but no more than your
average semi-low profile tire.
Ride quality is very good (keep in mind this is a brand new tire with 9/32"
tread depth, though)
Good bite for straight line acceleration and braking.
Transition response is a little slow, once again, partly because of the
tread depth.
Cornering grip is very good, feels comparable to a Dunlop SP8000 (they do
get a little vocal when pushed to the limit in corners) 

They are a long way off from a V700 - but one heck of a street tire deal,
especially for the larger rim sizes.         

Future question to be answered:

*       How do they hold up in Autox conditions.

*       What tire pressures work best for aggressive cornering.

*       Wet traction in normal and Autox driving.

*       Lateral G-force limit (anyone have a Gtech Pro I can borrow?)


-Mark
STR Civic Si
#29



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