2007 CNS Parts List Engine Information
** UPDATES **
The parts list engine was designed as a NO TOUCH Engine.
This means that under the rules for this engine these parts cannot be modified for any reason. NO grinding, cutting, polishing or lightening for ANY reason.
The Compression must not be greater than 9.5-1.
These items may be done to the Block
Line bore crankshaft
Bore & Hone for piston clearance
Deck
If you have further questions before any work being done please contact the
Speedway officials or management.
Colorado National Speedway
Officials