USAC TECHNICAL UPDATE – TB2018-NAT001
NATIONAL SERIES
Date: JANUARY 1, 2018
PER USAC TECHNICAL UPDATE – TB2018-NAT001, ISSUED JANUARY 1, 2018, the following updates apply to the USAC/CRA, West Coast, and SouthWest Sprint Cars, along with the Western States Midgets:
USAC NATIONAL & USAC/CRA SPRINT CARS:
-Digital bleeders are allowed. Air may not be introduced to the tire. Bleeders may not be controlled remotely.
-Full containment seats mandatory beginning May 1, 2018. Beginning in 2019 all seats must meet SFI 39.2 specifications.
-Suspension adjustments by the driver from the cockpit will not be permitted.
-Front axle tethers will be mandatory beginning May 1, 2018.
-Hoosier will make 94/14.0 available in RD12 compound
USAC WEST COAST & SOUTHWEST SPRINT CARS:
-Digital bleeders are allowed. Air may not be introduced to the tire. Bleeders may not be controlled remotely.
-Full containment seats mandatory beginning May 1, 2018. Beginning in 2019 all seats must meet SFI 39.2 specifications.
-Front axle tethers will be mandatory beginning May 1, 2018.
-Hoosier will make 94/14.0 available in RD12 compound
USAC NATIONAL & WESTERN STATES MIDGETS:
-Digital bleeders are allowed. Air may not be introduced to the tire. Bleeders may not be controlled remotely.
-Full containment seats mandatory beginning May 1, 2018. Beginning in 2019 all seats must meet SFI 39.2 specifications.
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