V8 Performance

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
# 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)
GM LS-1 FRANKLIN
WATER TAKE OFF 15 SECONDS 31 SECONDS
LAND TAKE OFF 10 SECONDS N/A
RATE OF CLIMB 1073 FPM 454 FPM
POWER LOADING 9.8 LBS./HP 14.7 LBS./HP
CRUISE SPEED 110 MPH 100 MPH
FUEL CONSUMPTION 8.5 IMP. GPH 10 IMP. GPH
RANGE (MILES) 775 600
RANGE (HOURS) 7.1 6.0
USEFUL LOAD CDN @ 3150 LBS. 728 LBS. 748 LBS.
USEFUL LOAD US @ 3600 LBS. 1178 LBS. NOT APPROVED

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