1968 390 4V - Code S
| DISPLACEMENT | 390 CUBIC INCHES | 
| BORE x STROKE | 4.050" x 3.784" | 
| HORSEPOWER | 325@4800 RPM | 
| SPARK PLUGS | ORIG AUTOLITE TYPE: BF32 -- GAP: 0.034" | 
| DISTRIBUTER | POINT DWELL: 29 DEG. -- POINT GAP: 0.016 | 
| TIMING | MAN TRANS: 6 DEG. BTDC -- AUTO TRANS: 6 DEG. BTDC | 
| INTAKE VALVE | OPENS: 18 DEG. BTDC | 
| FUEL PRESSURE | 4.5 - 6 PSI | 
| OIL PRESSURE | 35 - 60 PSI | 
| IDLE SPEED | MAN TRANS: 700 RPM -- AUTO TRANS: 550 RPM | 
| FIRING ORDER | 1-5-4-2-6-3-7-8 (SEE DIAGRAM BELOW) | 
| CAPACITIES | CRANKCASE: 4 QTS (+1 FOR FILTER) TRANSMISSION: 3-SPD=3 PTS -- 4-SPD=4 PTS -- AUTO=25 PTS DRIVE AXLE: 5 PTS COOLING SYSTEM: 20.5 QTS -- WITH A/C: 20.5 QTS | 
DISTRIBUTOR WIRING

Distributor rotation is counter-clockwise
To avoid confusion, remove spark plug wires one at a time
Source: Ford Motor Company via Chilton Book Company
