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#65885
Anonymous
    quote Chris_P:

    semantics as there is no real difference between a ’57 and ’58, but a QD19 is a ’58..

    QD is a 10HP. The 1957 has the heavier 5-bolt gear case (from the 15/18hp) and the 1958 has the lighter gear case from the 5.5/7.5

    An 18hp would be an "FD"

    They’re all good (some prefer the earlier 10hp)