Originally Posted by
tonylunatic
Ugh Not fine... If he plans on racing any ROAR / ROAR affiliated event or Series. Example SWCS in Texas is now enforcing the ROAR 5 port motor rule.
Most events are adopting the ROAR GT rules to streamline the events with the other classes.
Just to clarify: If anyone would like to run in this class for any of the ROAR sanction or ROAR affiliated events then he/she can run any engines UPTO 5 ports (you can run 3 port, 4 port, etc...) with the maximum 7mm venturi on the carburetor.