GENERAL SPECIFICATIONS |
| Model designation: available in all models |
| Wheelbase: all models |
| The valve location: in head |
| Bore and stroke: 3.6250 x 3.600.
|
| Piston displacement, cubic inches: 223 |
| Compression ratio: 8.60 |
| Maximum brake horsepower@RPM: 144 @ 4500 |
| Maximum torque pounds foot,@RPM: 212 @ 2400 |
| Normal oil pressure pounds: 50 |
TUNEUP SPECIFICATIONS |
| Ground polarity and voltage: negative-12 |
| Spark plug: Champion 870 |
| Spark plug gap: .034 |
| Distributor:
Point Gap Inch: .025. |
| Cam angle degrees: 35-38 |
| Firing order: 153624 |
Ignition timing:
damper has five timing marks covering range from TDC to 9° BT DC in 2° increments set timing at 4° with standard transmission and 6° automatic transmission |
| Timing Mark location: damper |
| Idle speed RPM in neutral: 475 |
| Compression pressure@cranking speed minimum: 150 |
VALVE SPECIFICATIONS |
Running clearance:
Interior: .019, hot or cold.
Exterior: .019, hot or cold |
| Valve seat angle degrees: 45 |
Valve timing:
Intake opens degrees BTDC: 17
Exhaust closes degree a TDC: 9 |
| Valve spring pressure lbs. At inches length: 161@1.39 |
Cam Lobe lift: take measurement at top end of pushrod
Intake:.273
Exhaust:.273 |
Stem clearance
Intake: .001-.0024
Exhaust .0023-.0037 |
Stem diameter standard
Intake: .3416-.3423
Exhaust: .3403-.3410 |
ENGINE TIGHTENING SPECIFICATIONS |
| Sparkplugs foot-pounds: 15-20 |
| Cylinder head bolts foot-pounds: 65-75 |
| Intake manifold foot-pounds: 23-28 |
| Exhaust manifold foot-pounds: 23-28 |
| Rocker arm shaft brackets foot-pounds: 45-55 |
| Rocker arm cover foot-pounds: 2 - 2-1/2 |
| Connecting rod bolts foot-pounds: 45-50 |
| Main bearing bolts foot-pounds: 95-105 |
| Flywheel to crankshaft foot-pounds: 75-85 |
| Vibration damper or pulley foot-pounds: 85-95 |
COOLING SYSTEM AND CAPACITY DATA |
Cooling system data
Quarts, no heater: 15
Quarts, with heater: 16
Radiator cap relief pressure: 12-15
Thermostat opening temperature: 180 |
| Fuel tank, and gallons: 19; station wagons and couriers, 19 gallons |
Engine oil
Refill quarts: four; add one quart with filter change |
| Transmissions: standard: 3 pints; with overdrive 3 pints; automatic 9 1/4 quarts |
| Rear axle, pints: 4 1/2 |
STARTER MOTOR SPECIFICATIONS |
| Part number: B6A-11002A |
| Rotation: clockwise, as viewed from the drive end |
| Brush spring tension, ounces: 48-56 |
| No load test: amperes: 120, volts: 12, RPM: 4800 |
| Torque test: amperes: 550, volts: 5.0, torque pounds foot: 15 1/2 |
PISTONS, PINS, RINGS, CRANKSHAFT AND BEARINGS |
| Ring and gap: compression:.010, oil:.015 |
| Wrist pin diameter: .9121 |
| Rod bearings: shaft diameter 2.298-2.299: bearing clearance:.0005-.002 |
| Main bearings: shaft diameter: 2.498-2.499, bearing clearance:.0005-.003 |
| Thrust on bearing number: 3 |
| Shaft end play: .004-.008 |
DISTRIBUTOR SPECIFICATION |
| Part number: B7A-12127C |
| Rotation: clockwise |
| Cam angle degrees: 35-38 |
| Breaker point opening, inch: .025 |
| Condenser Capacity, Mfds.: .21-.25 |
| Breaker arm spring tension, ounces: 17-20 |
Vacuum advance data:
Inches of vacuum to start plunger movement: 2-1/4,
Inches of vacuum for full plunger travel: 4 1/4
Maximum vacuum advance, distributor degrees: 12 3/4 |
