Home Third Gen Mustang 1979 Ford Mustang 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 No Subscription? You’re missing out Get immediate ad-free access to all our premium content. Get Started Already a Member? Sign in to your account here.
