1949 Hudson Head

Trevor J
Trevor J Expert Adviser
in HUDSON

I notice that the 49 Hudson that I recently acquired has an alloy head,  I cant find any info on this do members know if this was a factory high compression option.

Trevor NewZealand 

Comments

  • EssexAdv
    EssexAdv Expert Adviser, Member

    Yes it was.  Mine has it too


    Lew

  • Trevor J
    Trevor J Expert Adviser

    Okay thanks for that.

    Does anyone know what the horsepower difference was between the alloy head and the cast Iron head

  • Uncle Josh
    Uncle Josh Senior Contributor

    The Aluminum head on a 254 increased HP from 128 to 138.

  • Geoff
    Geoff Senior Contributor
    I don't have the figures for 1949, but the 1953-'54 supplement gives 140 h.p for the 7:1 cast rion head and 149 h.p. with the alloy 7.5:1 head.   In 1949 the compression was either 6.7 or 7.2, so I guess you could allow an extra 9 or 10 h.p., but I don't know how you would actually count the horses when you are driving!
  • Trevor J
    Trevor J Expert Adviser

    Hmmmm! I will give that some thought.

  • Uncle Josh
    Uncle Josh Senior Contributor
    Or, you could count the horses' legs and divide by 4
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