Ford Focus Forum, Ford Focus ST Forum - View Single Post - GLU goes to autocross!
View Single Post
Old 04-22-2010, 08:19 AM   #29
Auto-X-ZTS
Focus Enthusiast
 
Join Date: Mar 2008
Fan#: 54278
Location: East Troy, WI, USA, Earth, WI
What I Drive: 2000 ZX2 S/R

Posts: 265
Points 318, Level 6
Points: 318, Level: 6 Points: 318, Level: 6 Points: 318, Level: 6
Level Up 36% Completed
Level up: 36% Level up: 36% Level up: 36%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 7 Auto-X-ZTS Good Standing Member
Buy-Sell-Trade Rating: (0)
Most of the spraying is in the Street Tire classes, like ST/STS/STX etc. True "R" Comps work better when hot--and most autocross situations will not 'overheat' an R Comp.

It is not uncommon to see R comp shod cars with tire blankets (look like foil) on their cars between runs to keep heat in...

Street Tires, on the other hand, like the RT615, Star Spec, XS, RE11, RS3 etc. can overheat past their sweet spot--and is especially true on 2-driver cars and/or hot, sunny weather. The watering is on the tread face, more than the sidewall. Pump-up Garden sprayers work very well for this.
__________________
Erik B.
(_/\_-Head)
www.waiautox.org
___/\_____/\_____/\_____/\___
Auto-X-ZTS is offline  
    Reply With Quote