Verbatim
4.9: Cooling
W.E.Rock considers the following to be part of the cooling system: Radiators, hoses, engine
ports, heater hoses, and coolant products.
The following are the cooling guidelines for competition:
4.9.1:
Air Cooling is approved.
4.9.2:
Water-cooled systems are approved.
4.9.3:
Radiator must be in the factory position and covered so that, in the event of a break in the
radiator or hoses, spectators, spotters and drivers are protected from the coolant spray and spill.
4.9.4:
Radiators must be securely mounted.
4.9.5:
Hoses and connections must be in good condition without cracks, all connections must
have a tightening device that utilizes a mechanical means to secure the connection.
4.9.6:
Top mount (roof mount) radiators are not approved.
4.9.7:
Radiators must have an OEM or adequate sized aftermarket overflow bottle, securely
mounted, and connected to the radiator by an overflow tube. Overflow bottles may not be
mounted over or in the passenger compartment. Overflow bottles may not be beverage
containers.
4.9.8:
The use of Ethylene glycol is not permitted.
4.9.9:
Vent tubes must be attached to an adequate sized fluid containment container.
