Universal CJ-5
Around the clock,
around the year,
around the world.
Around the clock,
around the year,
around the world.
A technical library for classic Jeeps
| Engine basics | 134 CID | |
| Engine Vacuum at Idle | 18-21" at idle | |
| Compression Ratio | CJ2A-CJ3A | 6:48 to 1 |
| DJ3A | 7:0 to 1 | |
| Compression Pressure | 90-110 PSI | |
| Max Variation | 10 PSI | |
| Firing Order | 1-3-4-2 | |
| Idle Speed | 600 RPM | |
| Ignition Timing | 5° BTDC @ 600 RPM | |
| Distributor- Prestolite | Numbers | IGW4177-1; IAD4008; IAY4012; IAY4401 |
| Rotation | Counter Clockwise | |
| Spring Tension | 17-20 Oz | |
| Dwell | 42° | |
| Point Gap | 0.020" | |
| Dwell Variation | 3° | |
| Distributor - Delco | Number 1112432 | |
| Rotation | Counter Clockwise | |
| Spring Tension | 19-23 Oz | |
| Dwell | 25°-34° | |
| Point Gap | 0.022" | |
| Dwell Variation | 3° | |
| Ignition Advance | Total | 15° @ 2500 RPM |
| Valve Clearances (cold) | Intake | .016" |
| Exhaust | .016" | |
| Spark Plugs | Champion | J8 |
| Autolite | A7 | |
| Gap | 0.030" | |
| Torque | 25-33 ft. lbs. | |
| Fuel Pump | Pressure | 2-1/2 - 3-3/4 PSI @ 1800 RPM |
| Volume | 1 PT. 30 seconds @ 600RPM | |
| Vacuum | 8" minute @ 1200 RPM | |
| Engine Cranking Speed | 185 RPM |