The Kobalt Tools 500 will showcase the second to last race in the Chase for the NASCAR Sprint Cup on the newly repaved and reconfigured one-mile oval at Phoenix International Raceway. To prepare the new surface, PIR has implemented a month-long program to groom the track. One of the techniques that is being utilized is [...]

Source: http://thefinallap.com/2011/11/04/photos-phoenix-using-tire-dragging-machine-to-create-groove/
Bertrand Gachot Patrick Gaillard Divina Galica Nanni Galli
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