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2.5 Litre Modified

The 2.5 Litre Modified (""A" class) hydroplane races at speeds over 130 mph - creatively. Few engine restrictions apply beyond prohibiting superchargers and setting a displacement limit of 166 cubic inches; engine modifications are limited only by the racer's imagination.

Inboard Hydroplane Racing
Requirements
Minimum Age: 
16 years old
Minimum Length: 
16'
Engine: 
Fully modified 2300 Ford, Essingler, Alfa Romeo, BMW, Datsun, Pontiac Fiero, Fontana, Sesco, Ecotec, and others
Speed: 
130 MPH
Minimum Weight: 
1225-1325 lbs. depending on engine type
Fuel: 
Methanol (alcohol) or Racing gasoline per APBA specs
Propulsion: 
Superchargers are not allowed in this class
Engine Block: 
Maximum displacement of 166 cubic inches
Statistics
Previous Season National Champion: 
A52 FAT CHANCE TOO / Tom Thompson