IEL HM/HC (UNUSUAL 2 STAMPING)

This saw has 2 stamping. The original shape would be from a HM model but it has the HM model (50)???? and HC stamping plus the HC gas filter original to the saw.

MANUFACTURED BY: IEL (Industrial Engineering Ltd.) VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1955 YEAR DISCONTINUED: 1956 ENGINE DISPLACEMENT: 5.22 cu. in. (85.7 cc) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 2.062 in. (52 mm) PISTON STROKE: 1.5625 in. (40 mm) CYLINDER TYPE: Aluminum with cast iron sleeve INTAKE METHOD: Reed valve MANUFACTURER ADVERTISED H.P.: 5 WEIGHT : OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal, 3 shoes with bonded lining DRIVE TYPE: Direct CONSTRUCTION: Sand cast aluminum MAGNETO TYPE: Wico FWS series CARBURETOR: Tillotson HP-13A, later HP-13B MAJOR REPAIR KIT: n/a MINOR REPAIR KIT: n/a AIR FILTER SYSTEM: Brass screen STARTER TYPE: Armstrong "Bulldog" automatic rewind OIL PUMP: Manual pump OPERATING RPM: 4200 IGNITION TIMING: 27 degrees B.T.D.C. BREAKER POINT SETTING: .020 in. (0.51 mm) FLYWHEEL/COIL AIR GAP: fixed, not adjustable SPARK PLUG TYPE: Champion J8J SPARK PLUG GAP: .025 in. (0.63 mm) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: FUEL OIL RATIO: 1 quart oil to 3 gallons fuel imperial measure (12:1) RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: SAE 40 CHAIN PITCH: .4 CHAIN TYPE: IEL C3J or C3G BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 16 in. (40cm) LONGEST GUIDE BAR SUPPLIED: 32 in. (81cm) COLOUR SCHEME: Yellow enamel