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Second Chance Garage

For the Classic Car
Restoration Enthusiast

Second Chance Garage

Second Chance Garage

For the Classic Car
Restoration Enthusiast

Second Chance Garage

Second Chance Garage

For the Classic Car Restoration Enthusiast

Second Chance Garage

ENGINE SPECS

1957 Chevrolet 235 (140 hp) Inline 6 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: 150, 210 & Bel Air (all engines available)

Wheel base: 115

Valve Location: In head

Bore and Stroke: 3.5625 x 3.9375

Piston displacement, Cubic Inches: 235

Compression ratio: 8.0

Maximum Brake Horsepower: 140 @ 4200 RPM

Maximum Torque Lbs.Ft. @ RPM: 210 @ 2400 RPM

Normal Oil Pressure Pounds: 35

TUNE UP SPECIFICATIONS (all models)

Spark Plug Make: AC 44

Spark Plug Gap, Inch: .035

Firing Order: 153624

Timing Mark: Ball on Flywheel

Engine Idle Speed, RPM: 425

Compression Pressure & Cranking Speed: 130 min.

Voltage & Polarity: 12 volts, negative ground

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale: Pistons removed from above. Shim thickness: .0015

Pounds on a Pull Scale: 7-18

Ring End Gap: In tapered bores, fit rings in tightest portion of ring travel
Compression: .007
Oil: .015

Wristpin Diameter, Inch: .8662

VALVE SPECIFICATIONS

Operating Clearance: Intake: 0Exhaust: 0

Valve Seat Angle, degrees: 44

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
Intake opens: 22 BTDC
Exhaust Closes: 27 ATDC

Valve Spring Pressure Pounds at Inches Length: Inner Spring: 65 @ 1.980

Valve Stem Clearance: Intake: .0001-.0025;Exhaust: .001-.0025

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings: Journal Diameter, Inches: 2.311-2.312
Bearing Clearance, Inch: .001-.003

Main Bearings: Journal Diameter, Inches:
Number 1: 2.6835-2.6845
Number 2: 2.7145-2.7155
Number 3: 2.7455-2.7465
Number 4: 2.7765-2.7775
Bearing clearance: .001-.003
Shaft End Play: .003-.009(Thrust on Bearing 3)

CAPACITY DATA

Cooling System: Without heater: 16 quarts
With heater: 17 quarts

Fuel Tank: 16 gallons

Engine Oil: 5 quarts + 1 quart for filter change

Transmission: Standard: 2 pints; w/overdrive: 3 pints; Automatic: 5 quarts

Rear Axle: 3-1/2 pints

Other 1957 Chevrolet Engine Specs

1957 Chevrolet 235 (140 hp) Inline 6 Engine Specs

1957 Chevrolet 235 (140 hp) Inline 6 Engine Distributor Specs

1957 Chevrolet 235 (140 hp) Inline 6 Engine Generator Specs

1957 Chevrolet 235 (140 hp) Inline 6 Engine Regulator Specs

1957 Chevrolet 235 (140 hp) Inline 6 Engine Starting Motor Specs

1957 Chevrolet 235 (140 hp) Inline 6 Engine Tightening Specs

1957 Chevrolet Wheel Alignment Specs

Return to Chevrolet Engine Specs Index