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Topic: NEW USAC SPRINT CAR RULES FOR 2018 Email this topic to a friend | Subscribe to this TopicReport this Topic to Moderator
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ljennings
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January 04, 2018 at 12:53:08 AM
Joined: 11/22/2004
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This message was edited on January 06, 2018 at 05:45:12 PM by ljennings

*These rules are also in effect for AMSOIL USAC/CRA, USAC West Coast, and Sands Chevrolet USAC SouthWest Sprint Cars for 2018.

USAC TECHNICAL UPDATE – TB2018-NAT001

NATIONAL SERIES 
Date: JANUARY 1, 2018

ALL NATIONAL SERIES

-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.

Silver Crown Series
-Tire options for events in 2018 remain the same as 2017

National Sprint
-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


 






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