CNG AND LP FUEL SYSTEM
MODIFICATIONS
Modifications that allow the engine to run on Com-
pressed Natural Gas (CNG) or Liquid Propane (LP) may
result in damage to the engine, emissions, and fuel
system components. Problems that result from running
CNG or LP are not the responsibility of the manufac-
turer and may void or not be covered under the New
Vehicle Limited Warranty.
METHYLCYCLOPENTADIENYL
MANGANESE TRICARBONYL (MMT)
IN GASOLINE
MMT is a manganese containing metallic additive that
is blended into some gasolines to increase octane.
Gasoline blended with MMT provides no performance
advantage beyond gasoline of the same octane number
without MMT. Gasoline blended with MMT reduces
spark plug life and reduces emission system perfor-
mance in some vehicles. The manufacturer recom-
mends that gasoline without MMT be used in your
vehicle. The MMT content of gasoline may not be indi-
cated on the gasoline pump; therefore, you should ask
your gasoline retailer whether or not the gasoline con-
tains MMT.
FLUID CAPACITIES
6.4L GASOLINE ENGINE
US Metric
Fuel (Approximate)
2500/3500 Shortbed Models 31 gal 117 L
2500/3500 Longbed Models 32 gal 121 L
2500/3500 Crew Cab Longbed Models — If Equipped 50 gal 189 L
Engine Oil With Filter
6.4L Engine 7 qt 6.6 L
Cooling System
6.4L Engine 18.5 qt 17.5 L
306 TECHNICAL SPECIFICATIONS
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