Cars and Rules
Cars and Rules is your home to view the current rule book, rule book updates, recommended rule changes, and other memos. The content on this page will provide valuable information for Road Racing compliance in the ÎçÒ¹¸£Àû51xxtv.
ÎçÒ¹¸£Àû51xxtv Road Racing relies on the Road Racing Competition Board/RRCC (formerly the Club Racing Board/CRB) to establish rules, specifications, and standards for competition vehicles, as well as rules and standards for scheduling, organization, conduct, and supervision of Road Racing programs; and the licensing of drivers and officials. The RRCC supervises the execution of these rules and standards, and works in concert with the Road Racing Department to ensure such rules and procedures mesh smoothly to the benefit of the program and the participants. Each RRCC member has liaison responsibilities for specific Advisory Committees, representing the classes raced in ÎçÒ¹¸£Àû51xxtv's Road Racing programs, including American Sedan, B-Spec/C-Spec, Electric Vehicles, Formula/Sports Racer/Prototype, Grand Touring (GT), Improved Touring (IT), Production, Spec Miata/MX-5, Super Production (SP), Super Touring (ST), and Touring. The Advisory Committees review member inputÌýand recommend potential actions to the RRCC.
To request a new car classification, adjustment, or clarification on a rule, .
General Competition Rules (GCR)The ÎçÒ¹¸£Àû51xxtv Road Racing rulebook is called the General Competition Rules. The full version of the rulebook is updated monthly to incorporate rules changes made in Fastrack. You can download the latest version for 2026 below. This resource is for anyone interested in finding out more about racing with ÎçÒ¹¸£Àû51xxtv Road Racing, classifying their car, or understanding the technical regulations governing ÎçÒ¹¸£Àû51xxtv Road Racing. We do offer a printed version of the GCR for purchaseÌý The 2026 GCR online versions are available in Adobe Acrobat format, version 10 or later. Download the latest version of the Adobe Acrobat ReaderÌý.Ìý The front of therulebook is often referred to as the Steward's section of the GCR as it includes regulations for events. If you are wanting to volunteer outside of the technical inspection and scrutineering specialty and don't need details on car classifications, you can download the Steward's Edition of the GCR here. |
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Technical Bulletins, Rule Changes, and Advisories
June 2026 Fastrack Preliminary Minutes/Tech Bulletin
5/14/26 -ÌýPreliminary Minutes
5/14/26 - Preliminary Tech Bulletin
RoadÌýRacing Recommended Rule Changes
Road Racing Memos
01/07/25-ÌýRacing Memo RM 25-01ÌýFormula Atlantic Formula Regional European Tatuus F.3 T-318 or FR-19
01/09/25- Racing Memo RM 25-02ÌýEP BMW Restrictor Change Date Move to 2-21-2005
02/14/25- Racing Memo RM 25-03 GCR Section 3 Administrative Clean Up Letters
03/31/25- Racing Memo RM 25-04 SMX Data Submission Timeframe
08/01/25- Racing Memo RM 25-05 Prototype Engine Table A, 2 Cycle Restrictor Change
09/18/25- Racing Memo RM 25-06 Acura NSX EVO22 GT1-ST Classification
09/23/25- Racing Memo RM 25-07 B-Spec Honda Fit MT (07-08) Classification Adjustment
03/23/26- Racing Memo RM 26-01 B-Spec Mini Cooper Weight Adjustments with OEM Catalyst or Header
RoadÌýRacing Member Advisories
06/02/25-ÌýMember Advisory Memo MA 25-01 Blocking, Start and Restarts
Updated Vintage GCR
03/14/17- Vintage GCR