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Technical need a good flathead man

Discussion in 'The Hokey Ass Message Board' started by 5quart, Oct 17, 2021.

  1. 5quart
    Joined: Dec 9, 2005
    Posts: 1,650

    5quart
    Member
    from NJ

    what ford v8 flathead had a 3in bore- i have couple sets of flathead pistons c81a6199 br 3in plus .0025-
    cant find a 3in bore anywhere?? any help appreciated thanks don-pistons have ford logo-c81 and made in Canada-
    can email me at dons.oilcans.signs@erols.com 1pista.JPG
     
  2. 42merc
    Joined: Dec 19, 2010
    Posts: 785

    42merc
    Member

    I'm going to guess that if measured very carefully, they will measure 3-1/16"
     
    Last edited: Oct 18, 2021
  3. 58 Mustang
    Joined: Sep 4, 2020
    Posts: 38

    58 Mustang

  4. Stock v8 60 is 2 5/8 th
     

  5. "Need a good flathead man" :eek:

    And I'd like a girl I don't have to inflate on date night but you don't hear me begging for love on a car site now do you ??? o_O:rolleyes:

    Sheesh ... some peoples neighbors :confused:




    ;)
     
    rusty valley and Flathead Dave like this.
  6. 42merc
    Joined: Dec 19, 2010
    Posts: 785

    42merc
    Member

    '46 Lincoln V12 piston is 2.9"
     
  7. deucemac
    Joined: Aug 31, 2008
    Posts: 1,156

    deucemac
    Member

    All the 221 engines have a 3 1/6 bore. The 239 and later Mercury 255 had a bore of 3 3/16. The prefix of C81A, breaks down to C- Canada, 81- 38, 85 hp, and A is for passenger car.
     
    rusty valley likes this.

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