Thursday Boat Races

7 Distinct "Thunder on the Chain" Classes:

Lake Racer Outboard
Pro Modified Outboard
Lake Racer Inboard
Single Carbureted
Multiple Carbureted
Open Class
Blown Alcohol Class

General Boat Race Guidelines


Lake Racer Inboard:


This class is designed for legal lake boats with basic stock motors (500" motors). This class will be run 'round robin.


• Must be lake legal with current registration, numbers, and conservation stickers. Display must be on the boat. NO lightweight hulls.
• Boats must have full factory interior, side steering only, and side mounted gas tanks.
• Boats must have functional wet exhaust that IS IN OPERATION WHILE RACING. NO dry racing headers.
• NO bow tie or aftermarket blocks or heads - they MUST be all factory production iron. NO roller cams. • Cast aluminum intakes are allowed. NO sheet metal intakes or tunnel rams.
• Single 1 - 4 barrel carburetor. NO dominator or race carburetor.
• GAS FUEL ONLY. No nitrous. NO blowers or injection.


Blarney Island would like to thank our sponsors:

Ray Raymond Chevrolet | Monster Energy Drink