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
Single Carbureted:
• Bow
tie and all production-type blocks allowed. Any Iron block
allowed.
• Any production iron or aluminum head allowed. No
Pontiac, Oldsmobile or big chief style heads.
• Cast aluminum intakes only. No custom or sheet metal
intakes.
• Single carburetor only allowed.
• GAS FUEL ONLY. No nitrous. No blowers or injection.
Blarney Island would like to thank our sponsors:
Ray
Raymond Chevrolet| Monster
Energy Drink
