Performance Comparison

Seabee Engine Comparison

	GENERAL MOTORS	GENERAL MOTORS	FRANKLIN
MODEL	Corvette LS 2	Corvette LS 7	6A8-215-B9F
YEAR OF MANUFACTURE	2005	2005	1946
DISPLACEMENT	364 CU.IN.	427 CU.IN.	500 CU.IN
NUMBER OF CYLINDERS	8	8	6
ENGINE COOLING SYSTEM	LIQUID	LIQUID	AIR
FUEL SYSTEM	MULTI-PORT INJECTION	MULTI-PORT INJECTION	UP DRAFT CARBURETOR
FUEL TYPE	Regular Unleaded or 91 OCTANE UNLEADED OR 100 OCTANE LL	91 OCTANE UNLEADED OR 100 OCTANE LL	80 OCTANE AVGAS
IGNITION SYSTEM	COMPUTERIZED ELECTRONIC - 8 COILS	COMPUTERIZED ELECTRONIC - 8 COILS	DISTRIBUTOR AND MAGNETO
RATED HORSEPOWER	400 @ 6000 RPM	505 @ 6300 RPM	215 @ 2500 RPM
OPERATING HORSEPOWER	350 @ 4500 RPM	400 @ 4500 RPM	215 @ 2500 RPM
REDUCTION RATIO	1.7:1	1.7:1	1:1
CABIN HEATING SYSTEM	FORCED AIR HOT WATER	FORCED AIR HOT WATER	NIL
AIR CONDITIONING SYSTEM	FORCED AIR MECHANICAL	FORCED AIR MECHANICAL	NIL
EXHAUST SYSTEM	CERAMIC COATED STAINLESS MUFFLER SYSTEM	CERAMIC COATED STAINLESS MUFFLER SYSTEM	STAINLESS STEEL STRAIGHT PIPES

Performance Comparison
(Moderate Load, 75°F Light Wind, 840' elevation)