Hercules QX series Valve Timing in Degrees

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  • October 19, 2013 at 17:29 #7965
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    HERCULES Q X SERIES VALVE TIMING IN DEGREES.
    (HERCULES Engine Models QXB – 3 , QXC – 3 , QXD – 3 , QXLD).
    INTAKE PERIOD ( QXB-3, QXC-3, QXD-3 ) = 220 Degrees.
    INTAKE OPENS 5 Degrees AFTER T.D.C.
    INTAKE CLOSES 45 Degrees AFTER B.D.C.
    EXHAUST PERIOD ( QXB-3, QXC-3, QXD-3 ) = 220 Degrees.
    EXHAUST OPENS 35 Degrees BEFORE B.D.C.
    EXHAUST CLOSES 5 Degrees AFTER T.D.C.
    INTAKE PERIOD (QXLD) = 240 DEGREES.
    INTAKE OPENS 5 Degrees BEFORE T.D.C.
    INTAKE CLOSES 55 Degress AFTER B.D.C.
    EXHAUST PERIOD (QXLD) = 240 Degrees.
    EXHAUST OPENS 45 Degrees BEFORE B.D.C.
    EXHAUST CLOSES 15 Degrees AFTER T.D.C.
    Information from Diamond T Factory Bulletin SM 1Z – 3.

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