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Tire selection for Nationals

To: <autox-cm@autox.team.net>
Subject: Tire selection for Nationals
From: Sam & Greg Scharnberg <samandgreg@netins.net>
Date: Wed, 31 Jan 2007 11:59:12 -0600
Hi Folks:

During the 2006 event, B Mod was given the opportunity to run in the 
cool of the morning just like C Mod.   Even though my Ralt weighs 
considerably more than a Formula Ford, I was not able to get the 
tires to work at all.  They are Hoosier R25As, 9" wide in the front 
and 12" wide in the rear.  During the cooling off period between 
runs, I observed that many C Mod cars were working their tires to the 
point that I would expect in higher temperatures.

I would be interested in opinions on what effect tire size had.  I 
have some narrow rims (6s and 8s) that would accept FC sizes but they 
would probably be R35 compound.  Since I am now about 8 seconds 
behind the leaders, I don't expect that any tire would come close to 
putting me in contention, but it would be nice to beat a couple of 
the other back-markers.

Thanks for any thoughts.

Greg Scharnberg
Ralt RT5 - B Mod

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