1975-77 Models
Check or adjust ignition timing with engine at normal operating temperature, distributor vacuum hoses disconnected and plugged, and engine idling at 600 RPM.
NOTE:
On 1975-76 models, see Emission Control Tune-Up Decal under hood for ignition timing specifications.
1977 IGNITION TIMING SPECIFICATIONS (DEGREES BTDC@RPM)
| Application |
Specification |
| 302" |
| |
Cougar & Thunderbird |
2@600 |
| |
Granada & Monarch |
2@600 |
| |
All Others |
6@600 |
| 351" M |
| |
California |
8@600 |
| |
Federal |
10@600 |
| |
High Altitude |
10@600 |
| 351" W |
| |
Granada, Monarch & Versailles |
4@600 |
| |
All Others |
14@600 |
| 400" |
| |
California |
6@600 |
| |
Federal |
8@600 |
| |
High Altitude |
10@600 |
| 460" |
| |
Federal |
16@600 |
| |
High Altitude |
18@600 |
| |
Police Interceptor |
16@600 |