Fuel Recommendation
WARNING:
Use extreme care when changing the fuel filter. Gasoline is highly
flammable and under pressure. It should not be exposed to open flame, sparks, or hot
engine components. Allow the engine to cool to ambient temperature prior to changing
fuel filters.
WARNING:
The bilge can accumulate explosive fumes. The bilge blower will
evacuate the fumes. The bilge blower must be run for a minimum of 10 minutes prior to
cranking the engine.
Fuel Type
4.3L and 5.3L SIDI ENGINES
Unleaded
87 Octane
or better fuel is recommended. Lower octane fuels will reduce overall
engine performance. Maximum Ethanol content is 10%.
6.2L ENGINE USE PREMIUM 91 MINIMUM OCTANE
Lower octane fuels will reduce overall
engine performance. Maximum Ethanol content is 10%.
Fuel Quality Changes
NOTE:
Sudden changes in fuel quality, including geographical regions may effect engine
operation.
Power Loss at Higher Elevations
Fuel injected engines will lose 3.5% power for every 1000 feet the engine is operated above
sea level. All fuel injection systems installed by KEM Equipment, Inc. are equipped with a
“manifold absolute pressure sensor” (MAP Sensor). The MAP sensor senses barometric
pressure and automatically corrects the fuel system calibration for changes in altitude. This
means the air/fuel mixture will always be optimized, regardless of elevation (or barometric
pressure); however, the engine will still lose 3.5% power for every 1000 ft. increase in elevation.
All engines will experience power loss when operated at elevations above sea level, unless
they are turbocharged or supercharged. Turbochargers and superchargers are mechanical
pumps that put extra air into the engine to make up for the lower air density at higher
elevations.
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Summary of Contents for KODIAK MARINE
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