2013 Toyota Tundra Regular Cab Owners Manual - Page 633

6-1. Specifications Engine 4.0L V6 (1GR-FE) engine Model Type Bore and stroke Displacement Drive belt tension Valve clearance (engine cold) 1GR-FE 6-cylinder V-type, 4-cycle, gasoline 3.70 × 3.74 in. (94.0 × 95.0 mm) 241.4 cu.in. (3956 cm3) Automatic adjustment Automatic adjustment 4.6L V8 (1UR-FE) and 5.7L V8 (3UR-FE, 3UR-FBE) engines Model Type 1UR-FE, 3UR-FE, 3UR- FBE 8-cylinder V-type, 4-cycle, gasoline 4.6L V8 (1UR-FE) engine 3.70 × 3.27 in. (94.0 × 83.0 mm) 5.7L V8 (3UR-FE, 3UR-FBE) engine 3.70 × 4.02 in. (94.0 × 102.0 mm) 4.6L V8 (1UR-FE) engine 281.2 cu.in. (4608 cm3) 5.7L V8 (3UR-FE, 3UR-FBE) engine 345.6 cu.in. (5663 cm3) Automatic adjustment Automatic adjustment Bore and stroke Displacement Drive belt tension Valve clearance (engine cold) 674