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51 Champ Cylinder Head ID From Numbers?

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  • 51 Champ Cylinder Head ID From Numbers?

    Good evening, folks. I bought an NOS, still wrapped in the box cylinder head for my 51 Champion, and want to confirm it is a correct fit. A riveted plate has the numbers 1544290, which are also printed on the end of the Studbaker-Packard box. The only numbers I see cast into it are L9 23, no other numbers on the box.

    I went to Johnston's page, but the cylinder head ID info did not go back that far. Any ideas?

    Regards,
    Clarence

  • #2
    Google gives:

    1544290 - CYLINDER HEAD CHAMP 6 1949-160 CHAMPION FLAT HEAD 6 I'm guessing 1949-1960 with a typo ? (From old SASCO listing)
    JDP Maryland

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    • #3
      Aha, I figured it would be correct, since I got it from a guy who is very reliable, but given the aggravation if it were wrong, figured it best to ask before taking off the old one. Many thanks.

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      • #4
        The chassis parts book shows it as the low compression (7 to 1) head for a 1958 185. While it will certainly fit and work, it will deliver less than 7 to 1 on the smaller 170 engine.

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        • #5
          6.5 to One?

          Sounds like a good candidate for some SERIOUS milling!

          Maybe with 8.5 to 1, you could get er up to 87.5 H.P. !
          Last edited by StudeRich; 05-27-2010, 10:04 PM.
          StudeRich
          Second Generation Stude Driver,
          Proud '54 Starliner Owner



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          • #6
            Dwain and Rich, thanks for the help. If it fits and works, great, I'm not looking for a speed demon anyway. But would it damage anything, or hurt drivability to use this head on the 170. And thanks, my 51-54 chassis parts book didn't list it, I guess because if was from a later year production.
            My alternative is to take my old head to the shop for a good cleaning, and get it trued up of necessary. It seemed easier to bolt on a new, clean one, but maybe not a good idea in this case?

            Regards,
            Clarence

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            • #7
              Good afternoon, all. I decided to get the old head cleaned and keep the original fit/compression. Thanks to Dwain and Rich for the adivce.

              Regards,
              Clarence

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