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engine number

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  • engine number

    Can anyone tell me if engine number P78111 is a 259ci or a 289ci?
    Thanks.

    Pat - Avon Park, Fl.
    '58 Packard Hawk

  • #2
    P usually denotes a 289, however in 55' the President 259's had a P prefix, but those engines ended at around #22,000. So you should have a 289...

    Bob Johnstone
    64 GT Hawk (K7)
    1970 Avanti (R3)

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    • #3
      Thanks Bob. We read the number wrong. It is P78911 if that makes a difference. The engine came out of a 1961 hawk but the owner had listed it first as a 259ci. We thought of putting it in our Packard Hawk until we rebuild original engine with the supercharger. My husband likes a 4 barrel and is not sure which way he wants to go with this car. It is a original 3-speed with OD.

      Pat - Avon Park, Fl.
      '58 Packard Hawk

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      • #4
        Hey great, a gal interested enough in her husband's hobby to give him a little assistance! Welcome to the forum.

        wagone and the Old R2 Avanti

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        • #5
          Pat, if you haven't already, please also visit and put your hawk on the registry at the Packard Hawk site and forum: http://www.packardhawk.com/

          It has some helpful info, more specific to PHawks. Technical stuff like your question above is more suited (will be answered quicker) for the SDC forum here.

          Best Regards,
          Eric West
          "The Speedster Kid"
          Sunny Northern California
          Where the roads don't freeze over and the heat doesn't kill you.
          And an open road is yours to have -only during non-commute rush hours 9am-4pm and 7pm to 7am (Ha, ha, ha)
          55 Speedster "Lemon/Lime" (Beautiful)
          55 President State Sedan (Rusty original, but runs great and reliable)
          Best Regards,
          Eric West
          "The Speedster Kid"
          Sunny Northern California
          Where the roads don't freeze over and the heat doesn't kill you.
          And an open road is yours to have -only during non-commute rush hours 9am-4pm and 7pm to 7am (Ha, ha, ha)
          55 Speedster "Lemon/Lime" (Beautiful)
          55 President State Sedan (Rusty original, but runs great and reliable)

          Comment

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