Technical and Safety Regulations
The full technical and safety regulations document — approved by the SCCA Board of Directors 12/10/21 — is available here. Feedback can be submitted below. Sporting regulations, which outline how races will be conducted, will be released soon.
Class Philosophy and Background
SCCA Enduro will include four classes, each with a maximum tire size (200 treadwear minimum), fuel capacity and adjusted displacement limit. The class, or classes, in which a car will be eligible to compete is based on the base displacement of the engine in the vehicle, with adjustments to that displacement based on performance modifications to the drivetrain, suspension and/or aerodynamics. This “adjusted” displacement then determines the lowest class eligible. The team can run in that class or any (faster) class above it based on the desired tire size and fuel capacity.
The goal is that teams can do almost anything to their production-based car and nearly every vehicle within the performance window will have a spot to participate.
|Adjusted Disp. Max Limit (liters)||6.2||4.5||2.9||1.9|
|Base Disp. / Weight Ratio||1 lb./cc||1 lb./cc||1 lb./cc||1 lb./cc|
|Fuel Capacity (Gallons)||20||17||15||14|
|Tire Width Limit (MM)||295||255||245||225|
Car class is determined by the Enduro Class Table, which is available as a calculator spreadsheet here.