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#47189
frankr
Participant

    There was RD-17, RD-17S, and RD-17R in 1955.
    RD-17 has carbon seal on lower crankshaft end.
    RD-17S has the crappy lip seal on lower crankshaft end
    RD-17R has crappy lip seal and a different crankshaft thrust washer.

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