2012 Toyota Tacoma Owners Manual - Page 874

6-1. Specifications Engine 2.7 L 4-cylinder (2TR-FE) engine Model Type Bore and stroke Displacement Drive belt tension Valve clearance (engine cold) Intake Exhaust 2TR-FE 4-cylinder in line, 4-cycle, gasoline 3.74 × 3.74 in. (95.0 × 95.0 mm) 164.3 cu.in. (2694 cm3) Automatic adjustment Automatic adjustment 4.0 L V6 (1GR-FE) engine Model Type Bore and stroke Displacement Drive belt tension Valve clearance (engine cold) Intake Exhaust 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 0.006 ⎯ 0.010 in. (0.15 ⎯ 0.25 mm) 0.011 ⎯ 0.015 in. (0.29 ⎯ 0.39 mm) 6 Vehicle specifications Fuel Fuel type Octane rating Fuel tank capacity (Reference) Unleaded gasoline only 87 (Research octane number 91) or higher 21.1 gal. (80.0 L, 17.6 lmp.gal.) 555