1954 to 59 Ford Tune-Up OEM Specifications
239 to 430 Cubic Inch V8 Engines

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Note:(1) Some horsepower ratings based on transmission type (m=manual, mo=manual overdrive, a=automatic). No code letter indicates that rating is the same either way.

Adjusting Ignition Timing

When checking engine timing with a strobe type timing light, disconnect the vacuum line from the carb to the distributor. Engine should be at idle speed. Connect timing light high voltage lead to wire going to Number 1 spark plug and the appropriate low voltage leads to the battery connections per timing light instructions. Be sure to check polarity of connections....stock electrical systems are 6 volt positive ground through 1955, and 12 volt negative ground from 1956 onward. Loosen distributor hold-down bolt and adjust timing by twisting distributor until timing marks line up between groove on pulley and indicator. Tighten distributor hold-down bolt and re-check timing. Re-connect vacuum line to distributor.

When setting breaker point gap be sure to check ignition timing after making the adjustment. There may be an oiler on the stock distributor body to provide lubrication for the distributor drive shaft. Also, a light film of breaker point grease should be applied to the eight-sided cam (or rubbing block) when the points are serviced.

The condensers are generally rated at 0.21 to 0.25 microfarads. This can be checked properly with a meter designed to read condensers and capacitors. A simple ohmmeter can test for complete failure, but will not give an accurate reading for specified ratings. If moving a condenser to a more remote location than its original mount in the distributor, be sure to check its rating with the longer lead wire.