| General |
| Type | V-type, DOHC |
| Number of cylinders | 6 |
| Bore |
| [2.5 L] | 84 mm (3.3071 in.) |
| [2.7 L] | 86.7 mm (3.4134 in.) |
| Stroke | 75 mm (2.9528 in.) |
| Total displacement |
| [2.5 L] | 2,493cc |
| [2.7 L] | 2,656cc |
| Compression ratio | 10.0 : 1 |
| Firing order | 1-2-3-4-5-6 |
| Idle R.R.M | 700±100 |
| Ignition timing at idling speed | BTDC 12°±5° |
| Valve timing |
| Intake valve |
| Opens (BTDC) | 6° |
| Closes (ABDC) | 46° |
| Exhaust valve Opens (BBDC) | 44° |
| Closes (ATDC) | 8° |
| Valve overlap | 14° |
| Intake valve duration | 232° |
| Exhaust valve duration | 232° |
| Camshaft |
| Drive mechanism | Cogged type belt |
| Cam height | 43.95-44.15 mm (1.7303-1.7382 in.) |
| Journal diameter | 25.964-25.980 mm (1.0222-1.0228 in.) |
| Bearing oil clearance | 0.02-0.061 mm (0.0007-0.0024 in.) |
| End play | 0.1-0.15 mm (0.0039-0.0059 in.) | 43.45 mm (1.7106 in.) 25.914 mm (1.0202 in.) 0.1 (0.0039 in.) |
| Cylinder head |
| Flatness of gasket surface | Max. 0.03 mm (0.0012 in.) | 0.05 mm (0.0020 in.) |
| Flatness of manifold mounting surface |
| Intake | Max. 0.15 mm (0.0059 in.) | 0.15 mm (0.0059 in.) |
| Exhaust | Max. 0.15 mm (0.0059 in.) | 0.15 mm (0.0059 in.) |
| Valve guide hole diameter |
| 0.05 (0.002) O.S. | 11.05-11.068 mm (0.435-0.4357 in.) |
| 0.25 (0.010) O.S. | 11.25-11.268 mm (0.443-0.4436 in.) |
| 0.50 (0.020) O.S. | 11.50-11.518 mm (0.453-0.4535 in.) |
| Intake valve seat ring hole diameter |
| 0.3 (0.012) O.S. | 33.300-33.325 mm (1.311-1.312 in.) |
| Exhaust valve seat ring hole diameter |
| 0.3 (0.012) O.S. | 28.600-28.621 mm (1.126-1.127 in.) |
| Valve |
| Overall length |
| Intake | 96.1 mm (3.7835 in.) |
| Exhaust | 97.15 mm (3.8248 in.) |
| Stem diameter |
| Intake | 5.965-5.98 mm (0.2348-0.2354 in.) |
| Exhaust | 5.95-5.965 mm (0.2343-0.2348 in.) |
| Face angle | 45°-45.5° |
| Margin |
| Intake | 1.0 mm (0.0394 in.) | 0.5 mm (0.0197 in.) |
| Exhaust | 1.3 mm (0.0512 in.) | 0.8 mm (0.0315 in.) |
| Clearance (stem-to-guide) |
| Intake | 0.02-0.05 mm (0.0008-0.0020 in.) | 0.10 mm (0.0038 in.) |
| Exhaust | 0.035-0.065 mm (0.0014-0.0026 in.) | 0.15 mm (0.0059 in.) |
| Valve spring |
| Free height | 42.5 mm (1.6732 in.) | 41.5 mm (1.6339 in.) |
| Load | 21.9 kg / 35 mm (48.4lb /1.3780 in.) | 21.9kg / 34 mm (48.4lb / 1.3386 in.) |
| Out of squareness | Max 1.5° | Max 3° |
| Piston |
| Diameter (Standard) |
| [2.5 L] | 83.98-84.01 mm (3.3063-3.3075 in.) |
| [2.7 L] | 86.68-86.71 mm (3.4126-3.4138 in.) |
| Clearance (Piston-to-cylinder) | 0.010-0.030 mm (0.0004-0.0012 in.) |
| Ring groove width |
| No.1 Q00327902 | 1.230-1.250 mm (0.0484-0.0492 in.) |
| No.2 | 1.2200-1.240 mm (0.0480-0.0488 in.) |
| Oil | 2.515-2.535 mm (0.0990-0.0998 in.) |
| Piston for service | 0.25 mm (0.010 in.), 0.50 mm (0.020 in.), Oversize |
| Piston ring |
| Number of rings per piston | 3 |
| Compression rings | 2 |
| Oil ring | 1 |
| Compression ring type |
| No.1 | Barrel type, steel |
| No.2 | Taper type, special cast iron |
| Oil ring type | 3-piece type |
| Ring end gap |
| No.1 | 0.20-0.35 mm (0.0079-0.0138 in.) | 0.8 mm (0.031 in.) |
| No.2 | 0.37-0.52 mm (0.0146-0.0205 in.) | 0.8 mm (0.031 in.) |
| Oil ring type | 0.2-0.7 mm (0.0079-0.0276 in.) | 1.0 mm (0.039 in.) |
| Ring end gap |
| No.1 | 0.04-0.08 mm (0.0016-0.0031 in.) | 0.1 mm (0.004 in.) |
| No.2 | 0.03-0.07 mm (0.0012-0.0028 in.) | 0.1 mm (0.004 in.) |
| Rings for service | 0.25 mm (0.010 in.), 0.50 mm (0.020 in.), Oversize |
| Connecting rod |
| Piston pin press-in load | 2,450-12,255N (250-1,250 kg, 551-2,755 lb) |
| Side clearance (Big end) | 0.10-0.25 mm (0.0039-0.0098 in.) | 0.4 mm (0.016 in.) |
| Bend | 0.05 mm or less / 100 mm (0.0020 in. or less/3.937 in.) |
| Twist | 0.1 mm or less / 100 mm (0.0039 in. or less / 3.937 in.) |
| Bearing |
| Oil clearance | 0.018-0.036 mm (0.0007-0.0014 in.) | 0.1 mm (0.004 in.) |
| Crankshaft |
| Journal O.D | 61.982-62.000 mm (2.4402-2.4409 in.) |
| Pin O.D | 47.982-48.000 mm (1.8891-1.8898 in.) |
| Out-of roundness of journal and pin | Max. 0.003 mm (0.00012 in.) |
| Taper of journal and pin | Max 0.005 mm (0.0002 in.) |
| End play | 0.070-0.250 mm (0.0028-0.0098 in.) | 0.3 mm (0.012 in.) |
| Main bearing |
| Oil clearance | 0.004-0.022 mm (0.0002-0.0009 in.) | 0.1 mm (0.004 in.) |
| Cylinder block |
| Cylinder bore |
| [2.5 L] | 84.00-84.03 mm (3.3071-3.3083 in.) |
| [2.7 L] | 86.7 mm (3.4134 in.) | 0.05 mm (0.002 in.) |
| Flatness of gasket surface | Max. 0.03 mm (0.0012 in.) |
| Out-of-roundness and taper | Max. 0.02 mm (0.0008 in.) |
| Oil pump |
| Side clearance |
| Body clearance | 0.100-0.181 mm (0.0039-0.0071 in.) |
| Side clearance | 0.040-0.095 mm (0.0016-0.0037 in.) |
| Relief spring |
| Free length | 43.8 mm (1.724 in.) |
| Load | 3.7 kg / 40.1 mm (8.2lb, 1.579 in.) |
| Oil filter |
| Type | Cartridge, full flow |
| Engine oil pressure | 80 kPa (11.4 psi) or more [Conditions: Oil temperature is 75 to 90°C (167 to 194°F)] |
| Cooling method | Engine coolant cooling, forced circulation with electric fan |
| Cooling system |
| Quantity | 7.1 lit (7.5 U.S. qts., 6.2 lmp. qts.) [For V6] |
| Thermostat |
| Type | Wax pellet type with jiggle valve |
| Normal opening temperature | 82°C (179.6°F) |
| Opening temperature range | 80°C - 84°C (176-183.2°F) |
| Wide open temperature | 95°C (203°F) |
| Radiator cap |
| Main valve opening pressure | 93.2-122.6 kPa (0.95-1.25 kg/cm 2 , 13.51-17.78 psi) |
| Main valve closing pressure | 83.4 kPa (0.85 kg/cm 2 , 12.1 psi) |
| Vacuum valve opening pressure | 6.86 kPa (-0.07 kg/cm 2 , -1.00 psi) |
| Air cleaner |
| Type | Dry type |
| Element | Unwoven cloth type |
| Exhaust pipe |
| Muffler | Expansion resonance type |
| Suspension system. | Rubber hangers |
