1975 Ford Mustang Tune-up Information
| 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 | |||
| 1975 | 4-140 | CW | ARGF52 | .034 | * | * | 6B [4] | 6B [4] | 3.4-4.5 | 750 | 650 | |
| 6-171 | CW | ARGF42 | .034 | * | * | 6B [5] | 10B [6] | 3.4-4.5 | 850 | 750 | ||
| 8-302 | CCW | ARF42 | .044 | * | * | NA | 6B [2] | 5.5-6.5 | NA | 750 | ||
| 140 Calif | CW | ARGF52 | .034 | * | * | 6B [4] | 10B [4] | 3.4-4.5 | 750 | 650 | ||
| 170 Calif | CW | ARGF42 | .034 | * | * | 6B [5] | 8B [6] | 3.4-4.5 | 850 | 700 | ||
| 302 Calif | CCW | ARF42 | .044 | * | * | NA | 6B [2] | 5.5-6.5 | NA | 700 | ||
* 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.
- At 750 RPM
- At 650 RPM
- Lowest reading within 75% of highest
- At 550 RPM
- At 850 RPM
- At 700 RPM
- At 500 RPM
- Refer to engine compartment sticker
- 9 Degrees before top dead center
| Model | Engine Oil | Transmission (pts to add after draining) | Axle | Gas tank | Cooling system | |||
| 3 Spd | 4 Spd | Auto | Qt. w/ heater | with AC | ||||
| 4-2300 | 4.5 | NA | 3.5 | 16 | 4.0 | 13 | 8.5 | 9.1 |
| 6-2800 | 5 | NA | 3.5 | 15 | 4.0 | 13 | 12.3 | 13.2 |
| 8- 302 | 5 | NA | 15 | 4.0 | 13 | 16.3 | 16.3 | |
