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xwd · 05-07-2013, 12:11 PM

In autocross that stuff is generally called OPR, "Others Peoples Rubber."

It's so bad at nationals due to the R-compound tires people use electric tire scrapers/chisels to remove it otherwise it causes real issues.

05-07-2013, 12:11 PM	#31
xwd Senior Member Join Date: Feb 2012 Drives: 2013 DGM Subaru BRZ (Subie #9) Location: ATL, US Posts: 2,667 Thanks: 123 Thanked 861 Times in 552 Posts Mentioned: 32 Post(s) Tagged: 0 Thread(s)	In autocross that stuff is generally called OPR, "Others Peoples Rubber." It's so bad at nationals due to the R-compound tires people use electric tire scrapers/chisels to remove it otherwise it causes real issues.