1998 Toyota Corolla Owners Manual - Page 206

1998 COROLLA(U) Fuel Fuel type: Unleaded gasoline, Octane Rating 87 (Research Octane Number 91) or higher Fuel tank capacity, L (gal., Imp. gal.): 50 (13.2, 11.0) Service specifications ENGINE Valve clearance (engine cold), mm (in.): Intake 0.15-0.25 (0.006-0.010) Exhaust 0.25-0.35 (0.010-0.014) Spark plug type: DENSO NGK K16TR11 BKR5EKB−11 ENGINE LUBRICATION Oil capacity (drain and refill), L (qt., Imp. qt.): With filter Without filter Oil grade: API grade SH, "Energy −Conserving II" or SJ, "Energy −Conserving" multigrade engine oil or ILSAC multigrade engine oil is recommended. Recommended oil viscosity (SAE): 3.7 (3.9, 3.3) 3.5 (3.7, 3.1) Spark plug gap, mm(in.): 1.1 (0.043) 206