Unit Repair
| General Data | Type | V8 |
| Displacement | 396 CID | |
| Bore | 4.0600 cu inch | |
| Stroke | 3.8200 cu inch | |
| Compression Ratio | 20 2:1 | |
| Cylinder Compression (Sea Level) | 370 psi minimum (subtract 8 psi per 1,000 ft. of elevation above sea level) | |
| Firing Order | 1-8-7-2-5-3 | |
| Cranking RPM (Cold) | 100-RPM minimum | |
| Cranking RPM (Hot) | 180-RPM minimum | |
| Oil Pressure (Mechanical Gage) (Hot) | 6 psi minimum @ IDLE 30 - 43 psi minimum @ 2000 RPM | |
| Operating Temperature | 190° Farenheit | |
| Crankshaft Bore | I.D. White | 3.1427 - 3.1430 inch |
| I.D. Red/Orange | 3.1430 - 3.1433 inch | |
| I.D. Blue | 3.1433 - 3.1437 inch | |
| Out-of-Round | 0.0005 inch maximum | |
| Camshaft Bore ID | (1) | 2.3290 - 2.3310 inch |
| ID (2) | 2.3190 - 2.3210 inch | |
| ID (3) | 2.3100 - 2.3120 inch | |
| ID (4) | 2.2980 - 2.3020 inch | |
| ID (5) | 2.1406 - 2.1425 inch | |
| Out-of-Round | 0.0039 inch maximum | |
| Cylinder Bore | Production STD (J) ID (1-6) | 4.0540 - 4.0547 inch |
| Production STD (J) ID (7-8) | 4.0545 - 4.0552 inch | |
| Production O.S. (S) ID (1-6) | 4.0597 - 4.0602 inch | |
| Production O.S. (S) ID (7-8) | 4.0602 - 4.0607 inch | |
| Service Hi Limit (G) ID (1-6) | 4.0587 - 4.0592 inch | |
| Service Hi Limit (G) ID (7-8) | 4.0592 - 4.0597 inch | |
| Service O.S. (OS) ID (1-6) | 4.0751 - 4.0756 inch | |
| Service O.S. (OS) ID (7-8) | 4.0756 - 4.0761 inch | |
| Piston | Production STD (J or JT) OD (1-6) | 4.0498 - 4.0505 inch |
| Production STD (J or JT) OD (7-8) | 4.0498 - 4.0505 inch | |
| Production O.S. (S or ST) OD (1-6) | 4.0554 - 4.0561 inch | |
| Production O.S. (S or ST) OD (7-8) | 4.0554 - 4.0561 inch | |
| Service STD (JT) OD (1-6) | 4.0498 - 4.0505 inch | |
| Service STD (JT) OD (7-8) | 4.0498 - 4.0505 inch | |
| Service Hi Limit (GT) OD (1-6) | 4.0513 - 4.0520 inch | |
| Service Hi Limit (GT) OD (7-8) | 4.0513 - 4.0520 inch | |
| Service OS (0.50 OST) OD (1-6) | 4.0708 - 4.0715 inch | |
| Service OS (0.50 OST) OD (7-8) | 4.0708 - 4.0715 inch | |
| Cylinder Bore Clearance (1-6) | 0.0035 - 0.0049 inch | |
| Cylinder Bore Clearance (7-8) | 0.0040 - 0.0054 inch | |
| Cylinder Bore Protrusion | 0.0035 - 0.0122 inch | |
| Pin OD (Green) | 1.2203 - 1.2204 inch | |
| Pin OD (Orange) | 1.2204 - 1.2205 inch | |
| Pin Bore ID (Green) | 1.2208 - 1.2209 inch | |
| Pin Bore ID (Orange) | 1.2209 - 1.2210 inch | |
| Pin Bore Clearance | 0.0004 - 0.0006 inch | |
| Piston Ring (Compression) | Side Clearance (Top Ring) | Keystone-Type Ring |
| Side Clearance (Second Ring) | 0.0015 - 0.0031 inch | |
| Gap (Top Ring) (1-6) | 0.0100 - 0.0224 inch | |
| Gap (Top Ring) (7-8) | 0.0115 - 0.0240 inch | |
| Gap (Second Ring) (1-6) | 0.0229 - 0.0345 inch | |
| Gap (Second Ring) (7-8) | 0.0245 - 0.0366 inch | |
| Piston Ring | (Oil) Side Clearance | 0.0016 - 0.0035 inch |
| Gap (1-6) | 0.0084 - 0.0224 inch | |
| Gap (7-8) | 0.0100 - 0.0240 inch | |
| Connecting Rod | ID (Crankshaft Rod Journal End) | 2.5245 - 2.5255 inch |
| ID (Piston Pin End-With Bushing) | 1.2209 - 1.2217 inch | |
| Piston Pin Bushing Clearance | 0.0004 - 0.0014 inch | |
| Crankshaft Journal (Main) | OD (White) (1-4) | 2.9501 - 2.9504 inch |
| OD (White) (5) | 2.9251 - 2.9502 inch | |
| OD (Orange or Red) (1-4) | 2.9498 - 2.9501 inch | |
| OD (Orange or Red) (5) | 2.9496 - 2.9499 inch | |
| OD (Blue) (1-4) | 2.9494 - 2.9498 inch | |
| OD (Blue) (5) | 2.9493 - 2.9496 inch | |
| Taper | 0.0033 inch maximum | |
| Out-of-Round | 0.0033 inch maximum | |
| Bearing Clearance (1-4) | 0.0018 - 0.0033 inch | |
| Bearing Clearance (5) | 0.0022 - 0.0037 inch | |
| Crankshaft Journal (Rod) OD | (Yellow) | 2.3987 - 2.3992 inch |
| OD (Green) | 2.3990 - 2.4000 inch | |
| Taper | 0.0002 inch maximum | |
| Out-of-Round | 0.0002 inch maximum | |
| Bearing Clearance | 0.0014 - 0.0037 inch | |
| Side Clearance (Rod) | 0.0067 - 0.0250 inch | |
| End Play (Crankshaft) | 0 0040 - 0.0110 inch | |
| Crankshaft Bearing (Main)-Select Fit: Refer to Crankshaft and Bearings Installation for proper crankshaft cross-referencing. | White (1) | STD in Case, STD in Cap |
| White (2) | 0.0005 inch U.S. in Case, STD in Cap | |
| White (3) | 0.0010 in U.S. in Case, STD in Cap | |
| Orange or Red (1) | STD in Case, 0.0005 in U.S. inch | |
| Cap Orange or Red (2) | 0.0005 in U.s. in Case, 0.0005 in. U.S. in Cap | |
| Orange or Red (3) | 0.0010 inch U.S. in Case, 0.0005 in U.S. in Cap | |
| Blue (1) | STD in Case, 0.0010 in U.S. in Cap | |
| Blue (2) | 0.0005 in U.S. in Case, 0.0010 in U.S. in Cap | |
| Blue (3) | 0.0010 in U.S. in Case, 0.0010 in U.S. in Cap | |
| Crankshaft Bearing (Rod)-Select Fit: Refer to Crankshaft and Bearings Installation for proper crankshaft cross-referencing. | Yellow | STD in Rod, STD in Cap |
| Green | STD in Rod, 0.0010 inch U.S. in Cap | |
| Camshaft Journal | OD (1-4) | 2.1642 - 2.1659 inch |
| Journal OD (5) | 2.0069 - 2.0086 inch | |
| Journal Clearance (1-4) | 0.0010 - 0.0046 inch | |
| Journal Clearance (5) | 0.0008 - 0.0044 inch | |
| Intake Lobe Lift | 0.2790 - 0.2830 inch | |
| Exhaust Lobe Lift | 0.2790 - 0.2830 inch | |
| End Play | 0.0020 - 0.0120 inch | |
| Timing Chain Deflection (Free Play) (New Chain) | 0.5000 inch | |
| Timing Chain Deflection (Free Play) (Used Chain) | 0.8000 inch | |
| Valve System | Valve Lifter | Hydraulic Roller |
| Valve Rocker Arm Ratio | 1.50:1 | |
| Valve Lash | Non-Adjustable | |
| Valve Face Angle (Intake) | 45° | |
| Valve Face Angle (Exhaust) | 45° | |
| Valve Seat Angle (Intake) | 46° | |
| Valve Seat Angle (Exhaust) | 46° | |
| Valve Runout (Intake) | 0.0020 inch | |
| Valve Runout (Exhaust) | 0.0020 inch | |
| Seat Width (Intake) | 0.0351 - 0.0603 inch | |
| Seat Width (Exhaust) | 0.0618 - 0.0930 inch | |
| Valve Protrusion (Intake) (This is a negative value, as the valve is recessed in the head) | 0.0340 to -0.0480 inch | |
| Valve Protrusion (Exhaust) (This is a negative value, as the valve is in recessed in the head) | 0.0340 to -0.0480 inch | |
| Stem Clearance (Intake) | 0.0010 - 0.0027 inch | |
| Stem Clearance (Exhaust) | 0.0010 - 0.0027 inch | |
| Valve Spring Pressure (Closed) (Intake) | 80 lbs.@ 1.80 inch | |
| Valve Spring Pressure (Closed) (Exhaust) | 80 lbs.@ 1.80 inch | |
| Valve Spring Pressure (Open) (Intake) | 230 lbs. 1.40 inch | |
| Valve Spring Pressure (Open) (Exhaust) | 230 lbs 1.40 inch | |
| Valve Spring Installed Height (Intake) | 1.8000 inch | |
| Valve Spring Installed Height (Exhaust) | 1.8000 inch | |
| Vacuum Pump (Evaluation) | 0 m (0 ft.) (Sea Level) | 21 inch (minimum) |
| 1524 m (5,000 ft) | 18 inch (minimum) | |
| 3048 m (10,000 ft | 14 inch (minimum) | |
| 4572 m (15,000 ft) | 12 inch (minimum) |