2005 Toyota Tundra Owners Manual - Page 980

'05 TUNDRA_U (L/O 0504) Engine Model: 1GR−FE and 2UZ−FE Type: 1GR−FE engine 6 cylinder V type, 4 cycle, gasoline 2UZ−FE engine 8 cylinder V type, 4 cycle, gasoline Bore and stroke, mm (in.): 1GR−FE engine 94.0 95.0 (3.70 3.74) 2UZ−FE engine 94.0 84.0 (3.70 3.31) (cu. in.): Displacement, 1GR−FE engine 2UZ−FE engine cm3 3956 (241.4) 4664 (284.6) Fuel Fuel type: 1GR−FE engine Unleaded gasoline, Octane Rating 87 (Research Octane Number 91) or higher. For improved vehicle performance, the use of premium unleaded gasoline with an Octane Rating of 91 (Research Octane Number 96) or higher is recommended. 2UZ−FE engine Unleaded gasoline, Octane Rating 87 (Research Octane Number 91) or higher Fuel tank capacity, L (gal., Imp. gal.): 100 (26.4, 22.0) Service specifications ENGINE Valve clearance (engine cold), mm (in.): 1GR−FE engine Intake 0.15-0.25 (0.006-0.010) Exhaust 0.29-0.39 (0.011-0.015) 2UZ−FE engine Intake 0.15-0.25 (0.006-0.010) Exhaust 0.25-0.35 (0.010-0.014) Spark plug type: 1GR−FE engine DENSO NGK 2UZ−FE engine DENSO NGK K20HR−U11 LFR6C11 KS20R11 IFR6A11 Spark plug gap, mm (in.): 1.1 (0.043) 474 2005 TUNDRA from Apr. '05 Prod. (OM34440U)