1956 Chevrolet 265 (162 hp) V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation:One-Fifty, Two-Ten, Bel Air w/Standard Trans

Wheel base: 115

Valve Location: In head

Bore and Stroke: 3.750 x 3.000

Piston displacement, Cubic Inches: 265

Compression ratio: w/2bbl. carb: 8.0

Maximum Brake Horsepower:
2 bbl carb. w/standard trans.: 162 @ 4400 RPM

Maximum Torque Lbs.Ft. @ RPM:
2 bbl carb. w/standard trans.: 257 @ 2200

Normal Oil Pressure Pounds: 35

TUNE UP SPECIFICATIONS

Spark Plug Make: AC 44-5

Spark Plug Gap, Inch: .035

Firing Order: 18436572

Ignition Timing: Second line before "0" mark on timing tab on front cover.

Engine Idle Speed, RPM: Manual shift trans. 475

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

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

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

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

Rear Axle: 3-1/2 pints