Engine Specifications
ENGINE SPECIFICATIONS CHART
| Application | Description |
|---|---|
| General Data: | |
| Engine Type | U20SED |
| Displacement | 1,998 cm3 (121.92 in3) |
| Bore Stroke | 86 x 86 mm (3.38 in. x 3.38 in.) |
| Compression Ratio | 9.6 +/- 0.02:1 |
| Firing Order | 1-3-4-2 |
| Cylinder Bore: | |
| Diameter | 85.975~86.025 mm (3.3848~3.3868 in.) |
| Out of Round (Maximum) | 0.013 mm (0.0005 in.) |
| Taper (Maximum) | 0.013 mm (0.0005 in.) |
| Piston: | |
| Diameter | 85.955~86.485 mm (3.384~3.404 in.) |
| Clearance to Bore | 0.0100~0.0300 mm (0.00039~0.00110 in.) |
| Piston Protrusion | 0.5 mm (0.019 in.) Maximum |
| Piston Taper | 0.013 (0.0005 in.) |
| Piston Rings: | |
| Ring, End Gap: Top Compression | 0.2~0.35 mm (0.008~0.014 in.) |
| Ring, End Gap: Second Compression | 0.3~0.5 mm (0.011~0.019 in.) |
| Ring, End Gap: Oil | 0.25~0.76 mm (0.01~0.03 in.) |
| Piston Pin: | |
| Diameter | 20.9970~20.9985 mm (0.82665~0.82671 in.) |
| Pin Offset | 1.0 mm (0.04 in.) Towards Thrust Side |
| Clearance: In Piston | 0.0035~0.0140 mm (0.00013~0.00055 in.) |
| Clearance: In Rod | Interference Fit in Rod |
| Length | 61.5 mm (2.42 in.) |
| Camshaft: | |
| Lift - Intake | 9.2 mm (0.36 in.) |
| Lift - Exhaust | 9.2 mm (0.36 in.) |
| End Play | 0.040~0.14 mm (0.0015~0.0055 in.) |
| Bearing Journal OD | 42.455~43.470 mm (1.6714~1.7114 in.) |
| Crankshaft: | |
| Main Journal: | |
| Diameter (All) | 57.974~57.995 mm (2.2824~2.2832 in.) |
| Out of Round (Maximum) | 0.003 mm (0.0001 in.) |
| Main Bearing Clearance (All) | 0.015~0.040 mm (0.00059~0.00157 in.) |
| Crankshaft End Play | 0.070~0.302 mm (0.0027~0.0118 in.) |
| Service Oversize | Available in 2 sizes 0.25 mm and 0.50 mm (0.0098~0.0196 in.) |
| Connecting Rod Journal: | |
| Diameter (All) | 48.970~48.988 mm (1.9279~1.9287 in.) |
| Out of Round (Maximum) | 0.004 mm (0.00015 in.) |
| Cylinder Head: | |
| Valve Stem Protrusion | 39.2~39.8 mm (1.54~1.56 in.) |
| Valve Guide Height | 13.7~14.0 mm (0.54~0.57 in.) |
| Overall Height | 134 +/- 0.025 mm (5.2755~0.0009 in.) |
| Minimum Overall Height After Machining | 133.9 mm (5.27 in.) |
| Valve System: | |
| Valve Lash Compensators | Hydraulic Tappet |
| Seat Runout (Maximum, All) | 0.03 mm (0.00118 in.) |
| Face Runout (Maximum, All) | 0.03 mm (0.00118 in.) |
| Valve Stem Diameter: | |
| Intake | 5.945~5.960 mm (0.2341~0.2346 in.) |
| Exhaust | 5.945~5.960 mm (0.2341~0.2346 in.) |
| Valve Diameter: | |
| Intake | 32 +/- 0.1 mm (1.2598 +/- 0.0039 in.) |
| Exhaust | 29 +/- 0.1 mm (1.1417 +/- 0.0039 in.) |
| Valve Seat Width: | |
| Intake | 1.0~1.5 mm (0.039~0.059 in.) |
| Exhaust | 1.7~2.2 mm (0.066~0.086 in.) |
| Valve Face Angle | 44° |
| Valve Guide Inside Diameter | 6.000~6.012 mm (0.236~0.237 in.) |
| Sealants and Adhesives: | |
| Rear Main Bearing Cap | GE p/n RTV 159 |
| Camshaft Carrier to Cylinder Head | HN 1581 (Loctite® 515) |
| Coolant Jacket Caps and Plugs (Freeze Plugs) | HN 1756 (Loctite® 176) |