Engine Specifications
GENERAL ENGINE SPECIFICATIONS
| Application |
Specification |
| Displacement |
181 Cu. In. (3.0L) |
| Bore |
3.3858" (86 mm) |
| Stroke |
3.3464" (85 mm) |
| Compression Ratio |
10.0:1 |
| Fuel System |
SFI |
CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS
| Application |
In. (mm) |
| Crankshaft |
| End Play |
.0004-.030 (.010-.76) |
| Main Journal Diameter |
| Green |
2.6763-2.6766 (67.980-67.988) |
| Brown |
2.6766-2.6770 (67.988-67.996) |
| Journal Out-Of-Round |
.0012 (.003) |
| Oil Clearance |
.0006-.00117 (.014-.043) |
| Connecting Rod |
| Journal Diameter |
1.927-1.928 (48.971-48.987) |
| Journal Out-Of-Round |
|
| Journal Taper |
|
| Oil Clearance |
|
CONNECTING RODS
| Application |
In. (mm) |
| Big End Bore Diameter |
2.0472-2.0477 (52.000-52.012) |
| Side Clearance |
.0028-.0110 (.07-.28) |
| Bearing Clearance |
.0005-.0024 (.013-.061) |
| Maximum Bend |
|
| Maximum Twist |
|
PISTONS, PINS & RINGS
| Application |
In. (mm) |
| Piston Bore Clearance |
.0010-.0018 (.025-.045) |
| Select Piston Diameter |
| 8 |
3.3834-3.3838 (85.940-85.950) |
| 99 |
3.3838-3.3842 (85.950-85.960) |
| 00 |
3.3842-3.3846 (85.960-85.970) |
| 01 |
3.3846-3.3850 (85.970-85.980) |
| 02 |
3.3850-3.3854 (85.980-85.990) |
| 7+0.5 (Oversize) |
3.4027-3.4031 (86.430-86.440) |
| Pin Diameter |
.8268 (21.0) |
| Piston Pin Clearance |
.0001-.0003 (.003-.008) |
| Piston Rings |
| Compression Rings |
| Thickness |
.0590 (1.5) |
| Side Clearance |
.0008-.0015 (.02-.04) |
| End Gap |
.0118-.0196 (.30-.50) |
| Oil Ring |
| Thickness |
.1181 (3.0) |
| Side Clearance |
.0004-.0012 (.01-.03) |
| End Gap |
.0157-.0551 (.40-1.40) |
CYLINDER BLOCK
| Application |
In. (mm) |
| Cylinder Bore |
| Select Bore Diameter |
| 8 |
3.3848-3.3852 (85.975-85.985) |
| 99 |
3.3852-3.3856 (85.985-85.995) |
| 00 |
3.3856-3.3860 (85.995-86.005) |
| 01 |
3.3860-3.3864 (86.005-86.015) |
| 02 |
3.3864-3.3868 (86.015-86.025) |
| 7+0.5 (Oversize) |
3.4041-3.4045 (86.465-86.475) |
| Maximum Out-Of-Round |
.0026 (.065) |
| Taper |
.0003 (.0065) |
CYLINDER HEAD, VALVES & VALVE SPRINGS
| Application |
Specification |
| Cylinder Head Height (Minimum) |
5.27" (134 mm) |
| Maximum Warpage |
.002" (.05 mm) |
| Valve Face Angle |
45° |
| Valve Seats |
| Seat Angle |
45° |
| Seat Width |
| Intake |
.0394-.0551" (1.00-1.40 mm) |
| Exhaust |
.0551-.0709" (1.40-1.80 mm) |
| Valve Guide Diameter |
| Standard |
.2362-.2367" (6.000-6.012 mm) |
| Oversize |
.2392-.2398" (6.075-6.090 mm) |
| Valve Length |
| Standard |
| Intake |
4.016" (102 mm) |
| Exhaust |
3.622" (92 mm) |
| Minimum |
| Intake |
4.004" (101.7 mm) |
| Exhaust |
3.6141" (91.8 mm) |
| Valve Stem Diameter |
| Standard |
| Intake |
.2344-.2350" (5.955-5.970 mm) |
| Exhaust |
.2341-.2346" (5.945-5.960 mm) |
| Oversize |
| Intake |
.2374" (6.030 mm) |
| Exhaust |
.2370" (6.020 mm) |
| Valve Stem Clearance |
| Intake |
.0012-.0022" (.030-.057 mm) |
| Exhaust |
.0016-.0026" (.040-.067 mm) |
| Valve Spring Installed Height |
1.543" (39.2 mm) |
| Valve Spring Compressed Height |
1.338" (34mm) @ 56.6 Lbs. (25.7 kg) |
CAMSHAFT
| Application |
In. (mm) |
| Bore Diameter |
|
| End Play |
.0016-.0057 (.04-.144) |
| Journal Diameter |
1.099-1.101 (27.939-27.960) |
| Journal Runout |
.0023 (.06) |
| Bearing Clearance |
.0015-.0020 (.038-.051) |
| Lobe Lift |
.3937 (10.0) |
| Lobe Height |
|