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Thread: Lycoming Torque specs

  1. #1
    Join Date
    Feb 2010
    Walled Lake, Mi

    Lycoming Torque specs

    Does anyone have a good source for torque specs for a Lycoming 8cyl engine.
    Specifically its a 2H Lycoming 8 from a 1926 Gardner.

    I really just need rod cap and main cap specs now.

    I've tried looking online, but all I get are Lycoming aircraft engines.

    ######### W A N T E D ##########
    # # # Remy 720-J Starter for '26 Lycoming 8cyl engine # # #
    # # # Westinghouse Starter for '25 Lycoming 4cyl engine # # #
    # # # 20" and 21" tires - old is fine, just needed to hold the car up # # #
    1986 Buick Grand National
    1957 Cadillac Coupe deVille
    1926 Gardner 8 Roadster
    1925 Gardner 4 Radio Special

  2. #2

    Re: Lycoming Torque specs


    You might try contacting the AACA Library in Hershey: AACA Library


    According to a post on another forum, this person, 'Buzz' in NE Wisconsin (Groom Lake area) knows someone nearby to him who owns a 1926 Gardner amongst other cars. Perhaps this Gardner owner might have some specs and/or extra parts? OR

    The thread: :

    Playing hooky from the Imperial? CF

  3. #3

    Re: Lycoming Torque specs

    Hey, closer to home, have you tried the Detroit Public Library Automotive History Collection? They should have a 1926 edition of MoToRs or some other reference material.

    Detroit Public Library / Auto History Collection

    Could also contact ACD Archives in Auburn. You should know where that is!! The 1926 Auburn used a Lycoming 8.

    ACD Archives

  4. #4

    Re: Lycoming Torque specs

    Do you know about this website / group: Gardner Motor Cars

  5. #5
    Senior Member
    Join Date
    Nov 2006

    Re: Lycoming Torque specs

    Torque specs were not commonly provided by manufacturers in that era, and seldom used by mechanics when they were. In the absence of other information, you can take the application, thread size & pitch, hardness of the fasteners if known, and thread condition into consideration and then consult on modern fastener chart for guidance.
    Last edited by Owen_Dyneto; June 29th, 2010 at 16:46. Reason: deleted unneeded word

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