Engine Mechanical Specifications
| General Data | Engine type | V6 |
| Regular Production (RPO) | L36 | |
| Displacement | 231 CID | |
| Bore | 3.8 in. | |
| Stroke | 3.4 in. | |
| Compression ratio | 9.4:1 | |
| Firing order | 1-6-5-4-3-2 | |
| Lubrication System | Oil type (recommended) | 5W-30 |
| Oil capacity (with filter change) | 4.5 quarts | |
| Oil capacity (without filter change) | 4.0 quarts | |
| Oil pressure @ Normal operating temperature (using 10W-30 oil) at 1850 RPM (Revoloutions per minute) | 60 psi | |
| Oil filter type | Throw away element and can | |
| Gear pocket depth | 0.461-0.4625 in. | |
| Gear pocket diameter | 3.508-3.512 in. | |
| Inner gear tip clearance | 0.006 in. | |
| Outer gear diameter clearance | 0.008-0.015 in. | |
| End clearance | 0.001-0.0035 in. | |
| Valve-to-bore clearance | 0.0015-0.003 in. | |
| Type of Lubrication | Main bearings | Pressure |
| Connecting Rods | Pressure | |
| Piston pins | Splash | |
| Balance shaft bearing - front | Splash | |
| Balance shaft bushing - rear | Splash | |
| Camshaft bearings | Pressure | |
| Timing chain | Splash | |
| Cylinder walls | Splash | |
| Oil pump type | Gerotor | |
| Oil pressure sending unit | Electrical | |
| Oil intake | Stationary | |
| Oil filter system | Full flow | |
| Cylinder Bore | Diameter | 3.8 in. |
| Out-of-round maximum | 0.001 in. | |
| Taper | 0.001 in. | |
| Cylinder head bolt | 37 ft.lbs + 120 degrees | |
| Piston | Used piston clearance (41mm from top of piston) | 0.0020-0.0036 in. |
| New piston clearance (41 mm from top of piston) | 0.004-0.0020 in. | |
| Piston ring groove depth | Top compression | 0.158-0.163 in. |
| 2nd compression | 0.0166-0.171 in. | |
| Oil control | 0.150-0.155 in. | |
| Piston ring end gap | Top compression | 0.010-0.018 in. |
| 2nd compression | 0.023-0.33 in. | |
| Oil control | 0.010-0.30 in. | |
| Piston ring side clearance | Top compression | 0.0013-0.0031 in. |
| 2nd compression | 0.0013-0.0031 in. | |
| Oil control | 0.0009-0.0079 in. | |
| Piston ring width | Top compression | 0.0463-0.0471 in. |
| 2nd compression | 0.0581-0.0589 in. | |
| Oil control | 0.073-0.079 in. | |
| Piston pin | Diameter | 0.8659-0.8661 in. |
| Clearance in piston | 0.00008-0.00051 in. | |
| Fit-in-rod (clearance) | 0.0003-0.0009 in. | |
| Crankshaft | Main Journal Diameter-All | 2.4988-2.4998 inch |
| Rod Journal Diameter-All | 2.2487-2.2499 in. | |
| Main Journal Taper-Maximum | 0.00035 in. | |
| Rod Journal Taper-Maximum | 0.00035 in. | |
| Main Journal Out-of-Round-Maximum | 0.00025 in. | |
| Rod Journal Out-of-Round-Maximum | 0.00020 in. | |
| Main Bearing to Journal Clearance 1 | 0.0007-0.0016 inch | |
| Main Bearing to Journal Clearance 2, 3 and 4 | 0.0009-0.0018 in. | |
| Rod Bearing Clearance | 0.0005-0.0026 inch | |
| Crankshaft End Play | 0.003-0.011 inch | |
| Connecting Rod | Rod Side Clearance | 0.004-0.200 in. |
| Connecting Rod Large End Bore ID | 2.37378-2.3745 in. | |
| Camshaft | Journal Diameter | 1.8462-1.8448 in. |
| Bearing Inside Diameter 1 and 4 | 1.8428-1.8492 in. | |
| Bearing Inside Diameter 2 and | 1.8481-1.8495 in. | |
| Bearing-to-Journal Clearance | 0.0016-0.0047 in. | |
| Intake Maximum Lobe Lift | 0.258 inch | |
| Exhaust Maximum Lobe Lift | 0.258 inch | |
| Balance Shaft | End Play | 0.0-0.0067 in. |
| Rear Journal Diameter | 1.4994-1.5002 in. | |
| Radial Play-Front, Bearing Clearance | 0 0-0.0010 in. | |
| Rear Bearing to Journal Clearance | 0.0005-0.0043 in. | |
| Drive Gear Lash | 0.002-0.0049 in. | |
| Bearing Bore Diameter-Front | 2.0462-2.0472 in. | |
| Bearing Bore Diameter-Rear, In Block | 1.8735 -1.8745 in. | |
| Bearing Inside Diameter-Rear | 1.5007-1.5037 in. | |
| Valve System | Lifter | Hydraulic Roller |
| Rocker Arm Ratio | 1.66:1 | |
| Face Angle | 46 degrees | |
| Seat Angle | 45 degrees | |
| Minimum Margin | 0.025 in. | |
| Seat Runout-Maximum | 0.002 in. | |
| Seat Width-Intake | 0.060-0.080 in. | |
| Seat Width-Exhaust | 0.090-0.110 in. | |
| Stem Height-All | 1.93-1.975 inch | |
| Stem Clearance-Intake | 0.0012-0.0028 in. | |
| Stem Clearance-Exhaust | 0.0014-0.0029 in. | |
| Valve Spring | Free Length | 1.960 in. |
| Load-Closed | 75 lb @ 1.72 in. | |
| Load-Open | 228 lb @ 1.277 in. | |
| Installed Height | 1.690-1.750 in. | |
| Approximate Number of Active Coils | 4.48 | |
| Approximate Number of Total Coils | 6.60 | |
| Flywheel | Runout-maximum | 0.015 in. |