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ENGINE SPECS

1956 Chevrolet 265 (205 hp) V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: One-Fifty, Two Ten, Bel Air w/Standard Trans or Powerglide, with 4 barrel carburetor & dual exhaust.

Wheel base: 115

Valve Location: In head

Bore and Stroke: 3.750 x 3.000

Piston displacement, Cubic Inches: 265

Compression ratio: w/4bbl. carb: 9.25

Maximum Brake Horsepower:
    4 bbl carb. w/standard trans.: 205 @ 4600 RPM; w/Powerglide: 205 @ 4600 RPM

Maximum Torque Lbs.Ft. @ RPM:
    4 bbl carb. w/standard trans.: 268 @ 3000; w/Powerglide: 268 @ 3000

Normal Oil Pressure Pounds: 35

TUNE UP SPECIFICATIONS

Spark Plug Make: AC 44-5

Spark Plug Gap, Inch: .035

Firing Order: 18436572

Ignition Timing: Cars with 4 bbl carb, use sixth line before "0" mark

Engine Idle Speed, RPM: Manual shift trans. 475; automatic trans. 425 (in drive)

Compression Pressure & Cranking Speed: 150 Min.

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale:
    Shim thickness to use: .0015
    Pounds Pull on Scale: 7-18

Rings: Compression: .007; Oil: .015

Wristpin Diameter, Inch: .9271

VALVE SPECIFICATIONS

Operating Clearance:  Intake: 0; Exhaust: 0

Valve Seat Angle, degrees: 45

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
    w/Standard Trans.:  Intake opens: 18 ATDC; Exhaust closes: 20 ATDC;
    w/Powerglide: Intake opens: 26-1/2 BTDC; Exhaust closes: 23-1/2 degrees ATDC

Valve Spring Pressure Pounds at Inches Length: 75 @ 1-45/64

Valve Lift, Zero Lash:
    w/Standard Trans.: Intake: .3336; Exhaust: .3336
    w/Powerglide: Intake: .3732; Exhaust: .3732

Valve Stem Clearance:
    Intake: .001-003
    Exhaust: .0015-.003

Valve Stem Diameter:
    Intake: .3415 - .3422
    Exhaust: .3410 - .3417

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 1.999 - 2.000
    Bearing Clearance, Inch: .001-.003

Main Bearings:
    Journal Diameter, Inches: 2.2978 - 2.2988
    Bearing Clearance, Inch: .001-.003
    Crankshaft End Play, Inch (taken on No. 5 bearing): .002 - .006

CAPACITY DATA

Cooling System:
    Without heater: 16 quarts
    With heater: 17 quarts
    Radiator Cap Relief Presure: 6-1/4 - 7-1/2
    Thermostat Opening Temp.: 180

Fuel Tank: 16 gallons

Engine Oil: 4 quarts (add 1 quart with filter change)

Transmission: 2 pints; Automatic: 5 quarts

Rear Axle: 3-1/2 pints

Other 1956 Chevrolet engine specs

1956 Chevrolet 265 (205 hp) V8 Engine Specs

1956 Chevrolet 265 (205 hp) V8 Engine Distributor Specs

1956 Chevrolet 265 (205 hp) V8 Engine Generator Specs

1956 Chevrolet 265 (205 hp) V8 Engine Regulator Specs

1956 Chevrolet 265 (205 hp) V8 Engine Starting Motor Specs

1956 Chevrolet 265 (205 hp) V8 Engine Tightening Specs

1956 Chevrolet Wheel Alignment Specs


Other 1956 Chevrolet Engine Options

1956 Chevrolet 235 (140 hp) Inline 6 Engine Specs

1956 Chevrolet 265 (162 hp) V8 Engine Specs

1956 Chevrolet 265 (170 hp) V8 Engine Specs

1956 Chevrolet 265 (225 hp) V8 Engine Specs

Return to Chevrolet Engine Specs Index




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