Lincoln Corsair Manuals

Lincoln Corsair: Engine System - General Information / General Procedures - Piston Protrusion Check

Special Tool(s) / General Equipment

Dial Indicator

Check

  1. Verify that the cylinder block deck surface and the pistons are clean.
  1. The piston protrusion is measured in-line front and rear avoiding raised or etched marking.
  1. NOTE: Use a commercially available deck bridge such as the Proform® 66797 Magnetic Deck Bridge or equivalent.

    • Using the dial indicator and a commercially available deck bridge, position at one of the points on the cylinder block deck surface.
      Use the General Equipment: Dial Indicator
    • Zero the dial indictor on the cylinder block deck surface.
  1. NOTICE: Only rotate the crankshaft clockwise.

    NOTICE: The piston must remain at TDC or an inconsistent reading will result.

    • Position the dial indicator and a commercially available deck bridge, over the piston.
      Use the General Equipment: Dial Indicator
    • Rotate the crankshaft until the piston is at TDC .
      Use the General Equipment: Dial Indicator
    • Record the reading.
    • Move the dial indicator and the commercially available deck bridge, on the cylinder block deck surface at the opposite position.
      Use the General Equipment: Dial Indicator
    • Zero the dial indictor on the cylinder block deck surface.
    • Move the dial indicator and the commercially available deck bridge, onto the piston at the opposite position.
      Use the General Equipment: Dial Indicator
    • Record the reading.
  1. Average the readings and record.
  1. Repeat on the remaining pistons.
  1. Determine the cylinder head gasket thickness.

    General Procedures - Piston Inspection

    Inspection NOTE: Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur. Clean and inspect the (1) ring lands, (2) pin bosses, (3) skirts and the (4) tops of the pistons...

    General Procedures - Piston Ring End Gap

    Special Tool(s) / General Equipment Feeler Gauge Check NOTE: Refer to the appropriate Section 303-01 for the specification. NOTE: Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore...

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    Information on P Type Tires

    Lincoln Corsair. Information on P Type Tires

    P215/65R15 95H is an example of a tire size, load index and speed rating. The definitions of these items are listed below. (Note that the tire size, load index and speed rating for your vehicle may be different from this example.)

    P: Indicates a tire, designated by the Tire and Rim Association, that may be used for service on cars, sport utility vehicles, minivans and light trucks. Note: If your tire size does not begin with a letter this may mean it is designated by either the European Tire and Rim Technical Organization or the Japan Tire Manufacturing Association. 215: Indicates the nominal width of the tire in millimeters from sidewall edge to sidewall edge. In general, the larger the number, the wider the tire. 65: Indicates the aspect ratio which gives the tire's ratio of height to width. R: Indicates a radial type tire. 15: Indicates the wheel or rim diameter in inches. If you change your wheel size, you will have to purchase new tires to match the new wheel diameter. 95: Indicates the tire's load index. It is an index that relates to how much weight a tire can carry. You may find this information in your owner’s manual. If not, contact a local tire dealer.

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