2015 Petaluma Speedway Rules Posted
The 2015 Petaluma Speedway Division Rules have been posted. Mini Stocks, Dwarfs, IMCA Modifieds, Spec Sprint, & Winged 360's join the previously released Super Stock rules. The Hoosier 105-16 Medium Tire will be allowed to both sprint car classes. Several Mini Stock rules have been changed: 3.1 Mini Trucks allowed (13" or 14" wheels) 3.11 Racing shocks allowed, steel body only, not to exceed $75. Cars with front struts not to exceed $150 per strut. 5.13 Clarify Holley [...]