Toyota 2009 Tundra Owner's Manual page 627

6-1. Specifications
5.7 L V8 (3UR-FE, 3UR-FBE) engine
Model
Type
Bore and stroke
Displacement
Drive belt tension
Valve clearance
(engine cold)
Intake
Exhaust
Fuel
Engine
Fuel type
Octane rating
(Unleaded gasoline)
Ethanol percentage
(E85)
Fuel tank capacity
(Reference)
606
3UR-FE, 3UR-FBE
8-cylinder V-type, 4-cycle, gasoline
3.70 × 4.02 in. (94.0 × 102.0 mm)
345.6 cu.in. (5663 cm
Automatic adjustment
Automatic adjustment
Gasoline engine
Unleaded gasoline only
87 (Research octane number91) or higher
⎯
26.4 gal. (100.0 L, 22.0 lmp.gal.)
3
)
Flex-fuel engine
Unleaded gasoline, E85,
or a blend of the two
fuels
85% or less