Engine Specifications
GENERAL SPECIFICATIONS
| Engine |
HP at RPM |
Torque (Ft. Lbs. at RPM) |
Compr. Ratio |
Bore |
Stroke |
Displ. |
| in. |
mm |
in. |
mm |
cu. ins, |
cc |
| 5.2L (318") 2-Bbl. |
130@4000 |
230@4000 |
8.5:1 |
3.91 |
99.3 |
3.31 |
8.4 |
318 |
5211 |
| 5.2L (318")4-Bbl. |
165@4000 |
240@4000 |
8.5:1 |
3.91 |
99.3 |
3.31 |
8.4 |
318 |
5211 |
| 5.2L (318") E.F.I. |
140@4000 |
240@4000 |
8.5:1 |
3.91 |
99.3 |
3.31 |
8.4 |
318 |
5211 |
VALVES
| Engine & Valve |
Head Diam. In. (mm) |
Face Angle |
Seat Angle |
Seat Width In. (mm) |
Stem Diameter In. (mm) |
Stem Clearance In. (mm) |
Valve Lift In. (mm) |
| 5.2L (318") |
|
|
|
|
|
|
|
| |
Intake |
2.78 (45.2) |
45° |
45° |
.065-.085 (1.65-2.15) |
.372-.373 (9.44-9.47) |
.001-.003 (.02-.07) |
.373 (9.47) |
| |
Exhaust |
1.50 (38.1) |
45° |
45° |
.080-.100 (2.03-2.54) |
.371-.372 (9.42-9.44) |
.002-.004 (.05-.10) |
.400 (10.16) |
| 5.2L (318") E.F.I. |
|
|
|
|
|
|
|
| |
Intake |
1.88 (47.7) |
45° |
45° |
.065-.085 (1.65-2.15) |
.372.373 (9.44-9.47) |
.001-.003 (.02-.07) |
.373 (9.47) |
| |
Exhaust |
1.60 (40.6) |
45° |
45° |
.080-.100 (2.03-2.54) |
.371-.372 (9.42-9.44) |
.002-.004 (.05-.10) |
.400 (10.16) |
CRANKSHAFT MAIN & CONNECTING ROD BEARINGS
| Engine |
MAIN BEARINGS |
CONNECTING ROD BEARINGS |
| Journal Diam. In. (mm) |
Clearance In. (mm) |
Thrust Bearing |
Crankshaft End Play In. (mm) |
Journal Diam. In. (mm) |
Clearance In. (mm) |
Side Play In. (mm) |
| 15.2L (318") |
2.4995-2.5050 (63.487-63.627) |
.0005-.0015 (.012-.038) |
No. 3 |
.002-.009 (.05-.22) |
2.124-2.125 (53.94-53.97) |
.0005-.0025 (.012-.063) |
.006-.014 (.15-.35) |
VALVE SPRINGS
| Engine |
Free Length In. (mm) |
PRESSURE Lbs. @ In. (kg @ mm) |
| Valve Closed |
Valve Open |
| 5.2L (318") |
2.00 (50.8) |
77-88@1.687 (35-39@42.8) |
170-184@1.313 (77-83@33.3) |
| 5.2L (318") E.F.I. |
2.10 (53.3) |
108-118@1.656 (48-53@42.0) |
186-200@1.250 (84-90@31.7) |
VALVE TIMING
| Engine |
INTAKE |
EXHAUST |
| Open (BTDC) |
Close (ABDC) |
Open (BBDC) |
Close (ATDC) |
| 5.2L (318") |
10° |
50° |
52° |
16° |
PISTONS, PINS, RINGS
| Engine |
PISTONS |
PINS |
RINGS |
| Clearance In. (mm) |
Piston Fit In. (mm) |
Rod Fit In. (mm) |
Rings |
End Gap In. (mm) |
Side Clearance In. (mm) |
| 5.2L (318") |
.0005-.0015 (.001-.003) |
.00025-.00075 (.0063-.0190) |
.0007-.0024 (.017-.060) |
1 & 2 |
.010-.020 (.25-.50) |
.0015-.0040 (.003-.100) |
| |
|
|
|
3 |
.010-.062 (.25-1.57) |
.0002-.0050 (.005-.127) |
CAMSHAFT
| Engine |
Journal Diam. In. (mm) |
Clearance In. (mm) |
Lobe Lift In. (mm) |
| 5.2L (318") |
|
|
|
| |
No. 1 |
1.997-1.999 (50.72-50.77) |
.001-.003 (.02-.07) |
..... |
| |
No. 2 |
1.981-1.983 (50.31-50.36) |
|
..... |
| |
No. 3 |
1.966-1.968 (49.93-49.98) |
|
..... |
| |
No. 4 |
1.950-1.952 (49.53-49.58) |
|
..... |
| |
No. 5 |
1.5595-1.5615 (39.611-39.662) |
|
..... |