Idle speed (through 1978)

Manual transmission: 900 rpm ± 50
Automatic transmission: 950 rpm ± 50

Idle speed (1979 and later)

Manual transmission: 875 rpm ± 75
Automatic transmission: 925 rpm ±75

Oil capacity

Oil change with filter change: 7.4 U.S. pints (6.1 Imperial pints, 3.5 liters)
Oil change without filter change: 6.3 U.S. pints (5.3 Imperial pints, 3.0 liters)

Ignition

12 volt

Ignition timing (1975 cars and 1979 and later Calif. cars through vin 226 2077 583)

5° after TDC with vacuum hoses connected

Ignition timing (1976 and later – except 1979 and later Calif. cars from vin 226 2077 584)

7.5° before TDC with vacuum hoses connected

Firing order

1-4-3-2

Cylinder location

No. 1: front cyl. on right side of car
No. 2: rear cyl. on right side of car
No. 3: front cyl. on left side of car
No. 4: rear cyl. on left side of car

Point gap (where applicable)

0.40 to 0.50 mm (.016 to .020 in.)

Dwell angle (where applicable)

New points: 44° to 50°
Used points: 42° to 58°

Spark Plug Gap

0.70 mm (.028 in.)

Spark Plugs

Champion N-288
Bosch W 145 M2
or W 8CO Beru 145/14/3L
or plugs with similar specifications from other manufacturers

CO volume % at idle

1975, 1976 (through vin 226 2077 583) 0.2% to 2.0%
1976 (from vin 2262077584) 0.9% to 1.1%
1978, 1979 (except Calif.) 0.5% to 1.5%
1979 Calif. (with oxygen sensor disconnected) 0.2% to 1.2%