General
| General Specifications | Bore and stroke | 3.602 x 3.27 inch |
| Compression ratio | 8.9 | |
| Displacement | 3.3L | |
| Distributor rotation | Clockwise | |
| Engine rotation | Clockwise | |
| Firing order | 1, 2, 3, 4, 5, 6 | |
| Number of cylinders | 6 | |
| Bearings | No. 1 main bearing width | 0.882-0.890 inch |
| No. 2 and 3 main bearing width | 0.744-0.752 inch | |
| Main bearing grade No. 0 thickness (black) | 0.0715-0.0717 inch | |
| Main bearing grade No. 1 thickness (brown) | 0.0717-0.0719 inch | |
| Main bearing grade No. 2 thickness (green) | 0.0719-0.0720 inch | |
| Main bearing grade No. 3 thickness (yellow) | 0.0720-0.0722 inch | |
| Main bearing grade No. 4 thickness (blue) | 0.0722-0.0723 inch | |
| 0.25 mm (0.0098 inch) undersize crankshaft main bearing thickness | 0.0767-0.0770 inch | |
| Connecting rod bearing thickness (standard) | 0.0591-0.0593 inch | |
| 0.08 mm (0.0031 inch) undersize crankshaft connecting rod bearing thickness | 0.0607-0.0609 inch | |
| 0.12 mm ( 0.0047 inch) undersize crankshaft connecting rod bearing thickness | 0.0615-0.0617 inch | |
| 0.25 mm (0.0098 inch) undersize crankshaft connecting rod bearing thickness | 0.0641-0.0642 inch | |
| Main bearing clearance standard | 0.0011 -0.0022 inch | |
| Main bearing clearance limit | 0.0035 inch | |
| Connecting rod bearing clearance standard | 0.0006-0.0021 inch | |
| Connecting rod bearing clearance limit | 0.0035 inch | |
| Camshaft | Camshaft journal to bearing clearance standard | 0.0024-0.0041 inch |
| Camshaft journal to bearing clearance limit | 0.0059 inch | |
| Inner diameter of camshaft bearing standard | 1.8504-1.8514 inch For the Rh front three camshaft journals and lh middle three camshaft journals. | |
| Inner diameter of camshaft bearing standards | 1.6732-1.6742 inch For the Rh and Lh rear camshaft journals | |
| Inner diameter of camshaft bearing standards | 1.8898-1.8907 inch For the LH front camshaft journal. | |
| Outer diameter of camshaft bearing standard | 1.8472-1.8480 inch For the RH front three camshaft journals and LH middle three camshaft journals. | |
| Outer diameter of camshaft bearing standards | 1.6701-1.6709 inch For the RH and LH rear camshaft journals. | |
| Outer diameter of camshaft bearing standards | 1.8866-1.8874 inch For the LH front camshaft journal. | |
| Camshaft runout standard | Less than 0.0016 inch | |
| Camshaft runout limit | 0.004 inch | |
| Camshaft end play | 0.0012-0.0024 inch | |
| Camshaft lobe height (intake and exhaust) | 1.5332-1.5407 inch | |
| Camshaft lobe height wear limit | 0.0059 inch | |
| Connecting Rods | Bend limit per 100 mm (3.94 inch) | 0.0059 inch |
| Center distance | 6.067-6.071 inch | |
| Connecting rod big end inner diameter | 2.0866-2.0871 inch | |
| Piston pin bushing inner diameter installed in connecting rod | 0.8261-0.8265 inch | |
| Side clearance limit | 0.0157 inch | |
| Side clearance standard | 0.0079-0.0138 inch | |
| Torsion limit per 100 mm 0.30 mm (3.94 inch) | 0.0118 inch | |
| Crankshaft | Center distance between main journal and connecting rod journal | 1.634 inch |
| Connecting rod journal diameter | 1.9667-1.9675 inch | |
| Crankshaft end play standard | 0.0020-0.0067 inch | |
| Crankshaft end play limit | 0.0118 inch | |
| Flywheel ring gear runout | 0.06 inch | |
| Main journal diameter (grade No. 0) | 2.4790-2.4793 inch | |
| Main journal diameter (grade No. 1) | 2.4787-2.4790 inch | |
| Main journal diameter (grade No. 2) | 2.4784-2.4787 inch | |
| Out-of-round standard | Less than 0.0002 inch | |
| Runout standard | Less than 0.0010 inch | |
| Runout limit | Less than 0.0039 inch | |
| Tapper standard | Less than 0.0002 inch | |
| Cylinder Block | Cylinder block surface flatness standard | Less than 0.0012 inch |
| Cylinder block surface flatness limit | 0.0039 inch | |
| Cylinder bore inner diameter standard (for No. 3 and 4 cylinders) grade No. 1 | 3.6024-3.6026 inch | |
| Cylinder bore inner diameter standard (for No. 3 and 4 cylinders) grade No. 2 | 3.6026-3.6027 inch | |
| Cylinder bore inner diameter standard (for No. 3 and 4 cylinders) grade No. 3 | 3.6027-3.6029 inch | |
| Cylinder bore inner diameter standard (for No. 3 and 4 cylinders) grade No. 4 | 3.6029-3.6031 inch | |
| Cylinder bore inner diameter standard (for No. 3 and 4 cylinders) grade No. 5 | 3.6031-3.6033 inch | |
| Cylinder bore inner diameter standard (for No. 3 and 4 cylinders) grade No. 6 | 3.6033-3.6035 inch | |
| Cylinder bore inner diameter standard (except for No. 3 and 4 cylinders) grade No. 1 | 3.6024-3.6027 inch | |
| Cylinder bore inner diameter standard (except for No. 3 and 4 cylinders) grade No. 2 | 3.6027-3.6031 inch | |
| Cylinder bore inner diameter standard (except for No. 3 and 4 cylinders) grade No. 3 | 3.6031-3.6035 inch | |
| Cylinder bore inner diameter wear limit | 0.0079 inch | |
| Cylinder bore out-of-round | Less than 0.0006 inch | |
| Cylinder bore taper | Less than 0.0006 inch | |
| Cylinder block main journal inner diameter grade No. 0 | 2.6238-2.6242 inch | |
| Cylinder block main journal inner diameter grade No. 1 | 2.6242-2.6245 inch | |
| Cylinder block main journal inner diameter grade No. 2 | 2.6245-2.6249 inch | |
| Difference of inner diameter between cylinders standard | Less than 0.0020 inch | |
| Cylinder Head and Valve, Train | Cylinder head surface distortion standard | Less than 0.0012 inch |
| Cylinder head surface distortion limit | 0.004 inch | |
| Intake valve head diameter | 1.654-1661 inch | |
| Exhaust valve head diameter | 1.378-1.386 inch | |
| Intake valve length | 4.933-4.957 inch | |
| Exhaust valve length | 4.890-4.913 inch | |
| Intake valve stem diameter | 0.2742-0.2748 inch | |
| Exhaust valve stem diameter | 0.3136-0.3138 inch | |
| Intake and exhaust valve seat angle | 45° | |
| Intake valve margin | 0.0453-0.0571 inch | |
| Exhaust valve margin | 0.0531-0.0650 inch | |
| Valve margin limit | More than 0.020 inch | |
| Intake valve seat contact width | 0.0689 inch | |
| Exhaust valve seat contact width | 0.067 inch | |
| Valve stem end surface grinding limit | Less than 0.008 inch | |
| Outer valve spring free height | 2.016 inch | |
| Inner valve spring free height | 1.736 inch | |
| Outer valve spring pressure | 117.7 lb at 1.181 inch | |
| Inner valve spring pressure | 57.3 lb at 0.984 inch | |
| Outer valve spring out-of-square | 0.087 inch | |
| Inner valve spring out-of-square | 0.075 inch | |
| Tappet outside diameter | 0.6278-0.6282 inch | |
| Tappet guide inside diameter | 0.0017-0.0026 inch | |
| Tappet to tappet guide clearance | 0.0017-0.0026 inch | |
| Intake valve guide outer diameter standard | 0.4340-0.4344 inch | |
| Intake valve guide outer diameter limit | 0.4418-0.4423 inch | |
| Exhaust valve guide outer diameter standard | 0.4733-0.4738 inch | |
| Exhaust valve guide outer diameter limit | 0.4812-0.4817 inch | |
| Intake valve guide inner diameter (finished size) | 0.2756-0.2763 inch | |
| Exhaust valve guide inner diameter (finished size) | 0.3150-0.3154 inch | |
| Cylinder head intake valve guide hole diameter | 0.4321-0.4329 inch standard | |
| Cylinder head intake valve guide hole diameter limit | 0.4400-0.4408 inch | |
| Cylinder head exhaust valve guide hole diameter standard | 0.4715-0.4723 inch | |
| Cylinder head exhaust valve guide hole diameter limit | 0.4793-0.4802 inch | |
| Interference fit of valve guide (intake and exhaust) | 0.0011-0.0023 inch | |
| Intake valve stem to guide clearance standard | 0.0008-0.0021 inch | |
| Exhaust valve stem to guide clearance standard | 0.0012-0.0019 inch | |
| Valve stem to guide clearance limit (intake and exhaust) | 0.0039 inch | |
| Valve guide height | 0.520-0.528 inch | |
| Valve deflection limit | 0.0079 inch | |
| Rocker shaft outer diameter | 0.7078-0.7087 inch | |
| Rocker shaft inner diameter | 0.7089-0.7098 inch | |
| Rocker arm to rocker shaft clearance | 0.0003-0.00 l9 inch | |
| Pistons, Piston Rings and Piston Pin | Piston skirt diameter standard (for no. 3 and 4 cylinders) grade No. 2-1 | 3.6016-3.6018 inch |
| Piston skirt diameter standard (for no. 3 and 4 cylinders) grade No. 3-2 | 3.6018-3.6020 inch | |
| Piston skirt diameter standard (for no. 3 and 4 cylinders) grade No. 3-3 | 3.6020-3.6022 inch | |
| Piston skirt diameter standard (for no. 3 and 4 cylinders) grade No. 4-4 | 3.6022-3.6024 inch | |
| Piston skirt diameter standard (for no. 3 and 4 cylinders) grade No. 4-5 | 3.6024-3.6026 inch | |
| Piston skirt diameter standard (for no. 3 and 4 cylinders) grade No. 5-6 | 3.6026-3.6027 inch | |
| Piston skirt diameter standard (except for no. 3 and 4 cylinders) grade No. 1 | 3.6010-3.6014 inch | |
| Piston skirt diameter standard (except for no. 3 and 4 cylinders) grade No. 2 | 3.6014-3.6018 inch | |
| Piston skirt diameter standard (except for no. 3 and 4 cylinders) grade No. 3 | 3.6018-3.6022 inch | |
| Piston skirt diameter standard (except for no. 3 and 4 cylinders) 0.25 mm 0.0098 inch Oversize | 3.6108-3.6120 inch | |
| Piston skirt diameter standard (except for no. 3 and 4 cylinders) 0.50 mm (0.0197 inch) oversize | 3.6207-3.6218 inch | |
| Piston pin hole diameter | 0.8255-0.8260 inch | |
| Piston pin outer diameter | 0.8256-0.8261 inch | |
| Interference fit of piston pin to piston | 0-0.0002 inch | |
| Piston pin to connecting rod bushing clearance | 0.0002-0.0007 inch | |
| Piston clearance to cylinder block standard (for No. 3 and 4 cylinders) | 0.0006-0.0010 inch | |
| Piston clearance to cylinder block standard (except for No. 3 and 4 cylinders) | 0.0010-0.0018 inch | |
| Top piston ring side clearance standard | 0.0009-0.0030 inch | |
| Top piston ring side clearance limit | 0.0043 inch | |
| 2nd piston ring side clearance standard | 0.0012-0.0028 inch | |
| 2nd piston ring side clearance limit | 0.004 inch | |
| Oil control ring side clearance standard | 0.0006-0.0073 inch | |
| Top piston ring end gap standard | 0.0083-0.0157 inch | |
| Top piston ring end gap limit | 0.0213 inch | |
| 2nd piston ring end gap standard | 0.0197-0.0272 inch | |
| 2nd piston ring end gap limit | ---------------- | |
| Oil control ring end gap standard | 0.0079-0.0272 inch | |
| Oil control ring end gap limit | 0.0374 inch |