Cylinder Block | Cylinder Block | | Cast Iron Bore |
| Diameter | | 3.6619 + 0.0003 inch |
| Out of Round (MAX) | | 0.003 inch |
| Taper (MAX) | | 0.002 inch |
General Specifications | Engine Type | | 90° SOHC V-8 16-Valve |
| Displacement | | 287 Cubic Inches |
| Bore | | 3.66 inch |
| Stroke | | 3.40 inch |
| Compression Ratio | | 9.0:1 |
| Horsepower | | 235 BHP @ 4800 RPM |
| Torque | | 295 LB-FT @ 3200 RPM |
| Lead Cylinder | | #1 Left Bank |
Pistons | Material | | Aluminum Alloy |
| Diameter | | 3.6605 inch |
| Weight | | 12.96 oz |
| Ring Groove Diameter | No. 1 | 3.296 - 3.269 inch |
| | No. 2 | 3.261 - 3.310 inch |
| | No. 3 | 3.302 - 3.310 inch |
Piston Pins | Type | | Pressed Fit |
| Clearance In Piston | | 0.0004 - 0.0008 inch |
| Diameter | | 0.9454 - 0.9456 inch |
Piston Rings | Ring Gap | Top Compression Ring | 0.0146- 0.0249 inch |
| | Second Compression Ring | 0.0146- 0.0249 inch |
| | Oil Control (Steel Rails) | 0.0099- 0.30 inch |
| Side Clearance | Top Compression Ring | 0.0020 - 0.0037 inch |
| | Second Compression Ring | 0.0016 - 0.0031 inch |
| | Oil Ring (Steel Ring) | 0.0007 - 0.0091 inch |
| Ring Width | Top Compression Ring | 0.057 - 0.058 inch |
| | Second Compression Ring | 0.057 - 0.058 inch |
| | Oil Ring (Steel Rails) | 0.017 - 0.018 inch |
Connecting Rods | Bearing Clearance | | 0.0004 - 0.0019 inch |
| Side Clearance | | 0.004 - 0.0138 inch |
| Piston Pin Bore Diameter (Interference Fit) | | 0.0009 - 0.0018 inch |
| Bearing Bore Out of Round (MAX) | | 0.0002 inch |
| Total Weight Bearing | | 19.5771 Ounces |
Crankshaft | Main Bearing Journal Diameter | | 2.4996 - 2.5005 inch |
| Bearing Clearance | | 0.0008 - 0.0021 inch |
| Out of Round (MAX) | | 0.0002 inch |
| Taper (Max) | | 0.0004 inch |
| End Play | | 0.0021 - 0.0112 inch |
| End Play (MAX) | | 0.0112 inch |
| Connecting Rod Journal Diameter | | 2.0076 - 2.0082 inch |
| Bearing Clearance | | 0.0006-0.0022 inch |
| Out of Round (MAX) | | 0.0002 inch |
| Taper (MAX) | | 0.0004 inch |
| Bed plate-bolts | Tighten bolts A-L | 40 ft.lbs. |
| | Tighten bolts 1-10 | 25 in.lbs. |
| | Turn bolts 1-10 an additional | 90° |
| | Tighten bolts A1-A6 | 20 ft.lbs. |
Cylinder Head | Gasket Thickness (Compressed) | | 0.0276 inch |
| Cylinder Head Warpage (Flatness) | | 0.002 inch |
Crankshaft dampner bolt | | | 130 ft.lbs. |