Forums General Counties Cars Discussion engine type a, b or ?

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  • #6407
    nitaat54
    Participant

    Hi all, can anyone tell me what a 1950 Austin A40 Devon 1200cc engine

    is called is it a B series or do they call it something else?

    thanks in advance.

    Leo.

    #6409
    PeteJS
    Keymaster

    Leo,

    It’s neither an ‘A’ or  ‘B’ series. It’s effectively a predecessor to both.

    The ‘A’ series engine was first used in the A30, and the Devon/Somerset 1200cc engine was developed into the later ‘B’ series, used widely by BMC and later BL.

    #6437
    MikeN
    Participant

    Wikipedia refers to it (on the BMC B-Series page) as the “precursor to the B- series” engine or simply the “A40 engine”.

    When I took my engine block in for a rebore the guy looked at it and called it a “Somerset” block straight away.

    • This reply was modified 1 year, 2 months ago by MikeN.
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