[Fot] Hoosier Tire Temperature

[Rick Parent]

No one can tell you what the optimum tire pressure should be because there are just too many variables. I can say the the best pressure for your tires is dictated by taking the temps at 3 spots across the tire coming off track. If they are hotter in the center you have too much pressure, if they are hotter on the inside and outside then you need more pressure. Most tires run hotter on the inside because of camber, caster and or toe settings, if this is the case the center number sis optimal between the inner and outer number. Don't be surprised if all 4 tires are different and they will vary between tracks as well.
Happy tuning!
Rick Parent
"Doing the right thing is always the right thing, regardless of consequences"
 

    On Tuesday, September 14, 2021, 12:48:57 AM EDT, Enquiries Road & Track via Fot <fot at autox.team.net> wrote:  
 
 interesting, but still does not specify the optimum tread temperature
in current model racing with both slicks and semi slicks, there is a wide range between tyre makers and compounds, with many racers trying several before settling on something that works for them
very few racers here use Hoosiers
most "old" cars with small engines/limited HP, seem to struggle to getto the optimum tread temperature, which is often 60-70C.
Sometimes, we have had to decrease tyre width to get the temperature up to 'sensible" values
Terry


On Tue, Sep 14, 2021 at 5:43 AM Allen Washatko via Fot <fot at autox.team.net> wrote:

FOT

In regards to my question regarding temperature operating range for a 225/50 R15 Hoosier Speedster tire, I have the following from Jess Speer/Hoosier:
For my car weighing 2035 lbs, hot tire pressure should be in the 26-28 lbs range. 

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