Valve seats

Discussion in 'General Maverick/Comet' started by BigDog41364, Dec 1, 2017.

  1. BigDog41364

    BigDog41364 Member

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    Does anyone know what year Ford started hardening valve seats? I am looking at a 1970 351w 4v motor for the maverick and a 1975 429 4v for my wife's 77 truck we are building.
     
    BigDog41364, Dec 1, 2017
    #1
  2. Krazy Comet

    Krazy Comet Tom

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    1975 yes, 1970 no... 1975 was first year unleaded gas was mandated...
     
    Krazy Comet, Dec 1, 2017
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  3. BigDog41364

    BigDog41364 Member

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    That,s what i was hoping for
    ...Thanks
     
    BigDog41364, Dec 1, 2017
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