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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
2.4L 4.3L 5.7L 6.0L ENGINES
Unleaded 87 Octane or better fuel is recommended. Lower octane fuels will
reduce overall engine performance. Maximum Ethanol content is 10%.
6.2L LS3 ENGINE PREMIUM 91 MINIMUM OCTANE RECOMMENDED
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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