Amendment to Super Stock transmission eligibility

Last Updated on Wednesday, 29 June 2011 16:33 Saturday, 25 June 2011 19:00

Effective immediately all participants in the Super Stock division at Colorado National Speedway (CNS) will have the option to install, at their discretion, a manual transmission. Manual transmissions must be an OEM production transmission utilizing the OEM configuration with no modifications. Racing transmissions will not be allowed. It is recommended that participants seek CNS technical staff approval for the type and configuration of a questionable part prior to entering the car for competition. Automatic transmissions will remain a legal option. The clutch assembly, as defined below, must be OEM parts with no aluminum whatsoever in the construction. Clutch assemblies must weigh no less than 30 pounds to include flywheel, clutch disc and plate and all attaching hardware. High performance clutch parts will not be allowed including Manufacturer (i.e. GM, Ford, Mopar ect.) high performance cataloged parts. Aftermarket hydraulic throw out bearings, master cylinders, slave cylinders and pedal assemblies will be allowed subject to approval of mounting by CNS technical staff. OEM bell housings must be utilized with no modifications to ensure that the structural integrity is maintained and are subject to inspection for any deformities including cracks. A scatter shield will be permitted.


Scotty Backman                       
Colorado National Speedway
Track Operator

Jeff Campbell
Director of Competition & Tech