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ENGINE SPECS

1946 Ford 226 Inline Six Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Six Cylinder - 6GA
Wheel base: 114
Valve Location: In block
Bore and Stroke: 3.3" x 4.4"
Piston displacement, Cubic Inches: 226.0
Compression ratio: 6.70
Maximum Brake Horsepower: 90 @ 3300 RPM
Maximum Torque Lbs.Ft. @ RPM: 180 @ 1200
Normal Oil Pressure Pounds: 30

TUNE UP SPECIFICATIONS

Spark Plug Make: Champion H10
Spark Plug Gap, Inch: .030

Firing Order: 153624

Ignition Timing: No timing mark. (Spark is advanced or retarded by adjusting vacuum brake set screw on distributor housing)
Engine Idle Speed, RPM: Manual shift trans. 475; automatic shift trans. N/A
Cylinder Head Torque Lbs.Ft.: 50-60
Compression Pressure & Cranking Speed: 110 Min.

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale:
    Removed from Above
Shim thickness to use:
    With sleeves and aluminum pistons .0025";
    without sleeves .002"
    Pounds Pull on Scale: 6 to 12

Rings: (for tapered bores for minimum clearance fit rings in tightest portion of ring travel)
    Ring Gap, Minimum: Compression: .010
    Ring Gap, Minimum: Oil: .010
    Clearance in Groove: Compression: .0015-.003
    Clearance in Groove: Oil: .0015-.003
Wristpin Diameter, Inch: .850

VALVE SPECIFICATIONS

Operating Clearance:
    Intake: .014 Cold
    Exhaust: .014 Cold
Clearance for Timing Intake: .014
Valve Seat Angle, degrees: 45
Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
    Intake opens: 5 BTDC
    Exhaust Closes Degrees ATDC: 4
Valve Spring Pressure Pounds at Inches Length:
     Spring: 37 @ 2-1/8
Valve Stem Clearance:
    Intake: .0015-0035
    Exhaust: .0015-.0035

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 2.2350
    Bearing Clearance, Inch: .0017-.003
    Rod End Play, Inch: .003-.007
    Rod Bolt Tension, Lbs.Ft.: 40
Main Bearings:
    Journal Diameter, Inches: 2.4990
    Bearing Clearance, Inch: .000-.003
    Crankshaft End Play, Inch (taken on rear bearing): .002-.006
    Main Bolt Tension, Lbs.Ft.: 80

CAPACITY DATA

Cooling System:
    Without heater: 14-1/2 quarts
    With heater: 15-1/2 quarts

Fuel Tank: 17 gallons
Engine Oil: 5 quarts
Transmission: 2-3/4 pints
Rear Axle: 2-1/2 pints

VACUUM BRAKE DISTRIBUTOR SPECIFICATIONS

Distributor part number: 5GA-12127
Cam Angle, degrees: 36
Breaker Gap, Inch: .014-.016
Condenser Capacity: .21-.25 Mfds.
Breaker Arm Spring Tension: 20-24 Oz.
Centrifugal Advance:
    Advance starts 1/2 degrees before top center
    Full Advance: 9 degrees @ 1250 RPM

GENERATOR SPECIFICATIONS

Generator Number: 21A-10000 (generator rotates clockwise)
Generator output: 30 Amps @ 1700 RPM
Brush Spring Tension: 30 oz.

REGULATOR SPECIFICATIONS

Regulator Number: 8A-10505
Cutout Relay:
    Voltage to close points: 6.3
    Reverse Current to Open Points: 0-8 amps
    Armature Air Gap: .017
Voltage Regulator Setting: 7.3 volts
Current Regulator Setting: 30 amps
Current and voltage armature air gap, Inch: .035

·  Understanding Second Chance Garage's Vintage Auto Engine Specs





 

 

 

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