1979 Mustang – Tune Up Information

1979 Ford Mustang Tune-up Information

Maintenance Schedule

Maintenance interval
7,500
15,00
22,500
30,000
37,500
45,000
52,500
60,000
Change engine oil & filter every 6 month or mileage
x
x
x
x
x
x
x
x
Replace spark plugs
x
x
Change crankcase Emission filter
x
x
Inspect accessory drive belts
x
x
Replace PCV valve
x
x
x
x
Change engine coolant at 6 months or at mileage
x
x
Replace air cleaner filter
x
x
Check belat, hoses & clamps
x
x
check exhaust heat shields
x
x
Lub steering and suspension
x
x
x
x
Inspect breaking system
x
x
Inspect & replace front wheel bearings
x
x

 

Tune-up Specifications
Engine #
cy
Spark
plug
gap
Distributor Rotation M/T
Timing
degrees
A?T
Timing
degrees
Firing order Slow
idle
M/t
Fast
idle
M/T
Slow
idle
A/T
Fast
Idle
A/T
Fuel Pump
pressure
140 ci (2.3L) Exc. Turbo 4 .034 Electronic ignition CW 6 20 1-3-4-2 850 1600 850 1900 5-7
140 ci (2.3L) Turbo 4 .034 Electronic ignition CW 2 1-3-4-2 900 1800 900 5-7
171 ci regular v6 .034 Electronic ignition CW 9 1-4-2-5-3-6 1700 3-6
171 ci Calif. v6 .034 Electronic ignition CW 6 1-4-2-5-3-6 1700 3-6
200 ci regular 6 .050 Electronic ignition CW 8 10 1-5-3-6-2-4 700 1600 700 2150 5-7
200 ci Calif. 6 .050 Electronic ignition CW 6 1-5-3-6-2-4 700 1600 700 1700 5-7
302 ci regular 8 .050 Electronic ignition CCW ** ** 1-5-4-2-6-3-7-8 800 2100 625 2100 6-8
302 ci Calif. 8 .060 Electronic ignition CCW ** “” 1-5-4-2-6-3-7-8 600 ** 6-8

** See decal in engine compartment

 

Year Engine Spark Plugs Distributor Timingº Intake Valve opens Fuel pump press Idle speed
Cyl
cid
rotation Type Gap Dwell Gap Man A/T Man A/t
1979 140ci -2.3L CW AWSF 42 .034 * * 6B 20B 5.0-7.0 850 850
140ci – turbo CW AWSF 32 .034 * * 2B NA 6.5-7.5 900 NA
170ci – 2.8L CW AWSF 42 .034 * * NA 9B 3.5-5.8 NA 650
200ci- 3.8L CW BSF 82 .050 * * 10B 10B 5.5-6.5 700 550
302 CCW ASF 52 .050 * * 12B 6B 5.5-6.5 800 600
302 Calif CCW ASF 52 6 .060 * * 12B 6B 5.5-6.5 800 600

* Not applicable, solid state ignition

*** All timing marks on this chart are Before Top Dead Center (BTDC)

Always use the engine compartment sticker if it disagrees with this or any chart.

 

Lubricant capacities
Engines – Quarts less oil filter
4 Cyllinder 1979 4
6 cylinder 1979 4.5
8 cylinder 1979 4
Manual transmissions in pints
3 speed 1979
4 speed 1979 140 = 2.8, 170 = 4.5, 302=4.5
Automatic transmissions, in quarts
C3 1979 16 pints
C4 1979 14 pints
Differential – Maintain to filler hole.
6.75 “ 1979 2.5
7.5″ 1979 3.5
Engine cooling system
4 Cyllinder 1979 with heater 8.6, with A/C 10.0
6 cylinder 1979 with heater 9.2, with A/C 9.4
8 cylinder 1979 with heater 14.0, with A/C 14.6
fuel tank capacity
4 Cyllinder 1979 11.5 gallons
6 cylinder 1979 12.5 gallons
8 cylinder 1979 12.5 gallons
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