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  • Falken Takes Its Lap

  • …and it's primed to get the most out of their Falken Azenis RT615k+ tires. Falken's 2017 Ford Mustang team members include Mike Maier, eight-time SCCA National Champion and veteran driver Andrew McKee whose reputation in the autocross community is second to none having earned the prestigious Driver…

  • The 2010 Mazda MX-5 & Project STR

  • …Project STR (02:14) Category: Motorsports and Driving Schools Tire Rack and Grassroots Motorsports Magazine teamed up to build a competitive car for SCCA STR Class autocross competition. 2010 was its inaugural season and it was a good one! Watch as we go from our first race to the "Big Dance" at the…

  • Related Products: Autocross Tires 14
  • Project STR Wrap-Up: Closing Thoughts

  • …reminisce over their 350 competitive autocross runs in two years. What were their favorite memories and their thoughts on the first years of the STR SCCA class? Don't miss these highlights and the final few minutes of the video when the MX-5 is stripped of its unique graphics! Testing Two of the…

  • Kumho's Ecsta V720 is SCCA Eligible

  • SCCA rules require that tires used in stock classes be available in at least six sizes across four rim diameters by April 30th to be approved for competition. The Kumho Ecsta V720, which had very few sizes available when I wrote "Best Autocross Tires for 2015", made it just in time when…

  • Related Products: Autocross-tires
  • Project STR Revs up for the SCCA Solo Spring Nationals

  • …weekend 2011 will go down as the first time the SCCA has held a ProSolo and National Tour event over the same holiday weekend. We can’t think of a better place to host the event than the awesome Lincoln Airpark, home of the Tire Rack SCCA ProSolo Finale and National Championships. It appears…

  • Wheels for 2013 Subaru BRZ and Scion FR-S in Stock SCCA

  • Good news for those running stock class in SCCA that have their Subaru BRZ or Scion FR-S. Enkei Racing Series is making a version of their popular RPF1 wheel in a 17x7" size with an offset of ET42. Weighing in at a scant 14.5 lbs, the wheel will be a great choice for both vehicles. The 5-100…

  • Related Products: Scion Frs
  • Project STR gets its first Tire Rack SCCA Pro Solo win!

  • After a few local autocross events to gain valuable seat time, Chris Harvey made the 10 hour drive to Lincoln, NE for the 2nd Tire Rack SCCA Pro Solo event of 2010 driving the Grassroots Motorsports/Tire Rack Project STR Mazda MX-5. The site is the same used for the year-end Pro Solo Finale and…

  • Project STR Scores Big at the Tire Rack SCCA Solo Nationals

  • This is what we’ve worked all season for –- to compete in the Tire Rack SCCA Solo Nationals on the wide open concrete of the Lincoln Air Park in Lincoln, Nebraska. Our lead drivers Chris Harvey and John Rogers were joined by former G Stock Ladies champ and Tire Rack team member Angie…

  • Great Lakes Divisional Championship Video

  • Here are the video highlights from last weekend's Great Lakes Divisional Championship event in Peru, Indiana. Our team used the event to get ready for the upcoming Tire Rack SCCA Solo Nationals held in Lincoln, NE in early September.

  • Project STR to Continue Development in 2011

  • …of SCCA Solo competition and STR vehicle development. 2010’s competition success exceeded our expectations as the car and drivers scored: * Three divisional championships * Two ProSolo class wins * Second place overall in the year-end ProSolo class standings * Two Tire Rack SCCA National…

  • Maximum Traction on the Track

  • …you. In the past few years, this tire has become the leading competition tire for autocross, road racing, street and STR class cars. The Dunlop Direzza Sport Z1 Star Spec is available in 25 sizes to fit most cars running in the SCCA series. Great tires, great prices and trophy-winning performance.

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