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    prop bolt torque

    I ordered the B20-550 manual but it has no torque specs. We pulled the spinner and the bolts from the crank to the prop extender are not safety wired. Heads not drilled. Should they be saftied? and what torque? The prop is attached with nylon lock nuts. Is this normal and if so what torque?
  2. T

    1969 7ECA Service Manual

    I have been told by the factory that there are no service manuals for this model year. If so what are we and the mechanics using?
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