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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

1958 Chevrolet 235 (145 hp) Inline 6 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Delray, Biscayne, Bel Air and Station Wagons (all engines available)

Wheel base: 117-1/2

Valve Location: In head

Bore and Stroke: 3.562 x 3.94

Piston displacement, Cubic Inches: 235

Compression ratio: 8.25

Maximum Brake Horsepower: 145 @ 4200 RPM

Maximum Torque Lbs.Ft. @ RPM: 215 @ 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: 196 @ 1.46

Valve Lift Zero Lash: Intake: .4004 Exhaust: .4004

Valve Stem Clearance: Intake: .0001-.0027;Exhaust: .001-.003

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

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings: Journal Diameter, Inches: 2.311-2.312
Bearing Clearance, Inch: .0007-.0027

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: 20 gallons; Station Wagon 17 gallons

Engine Oil: 5 quarts + 1 quart for filter change

Transmission: Standard: 2 pints; w/overdrive: 3 pints; Automatic: 3-1/2 quarts

Rear Axle: 4 pints

Other 1958 Chevrolet Engine Specs

1958 Chevrolet 265 (145 hp) Inline 6 Engine Specs

1958 Chevrolet 265 (145 hp) Inline 6 Engine Distributor Specs

1958 Chevrolet 265 (145 hp) Inline 6 Engine Generator Specs

1958 Chevrolet 265 (145 hp) Inline 6 Engine Regulator Specs

1958 Chevrolet 265 (145 hp) Inline 6 Engine Starting Motor Specs

1958 Chevrolet 265 (145 hp) Inline 6 Engine Tightening Specs

1958 Chevrolet Wheel Alignment Specs


Other 1958 Chevrolet Engine Options

1958 Chevrolet 283 (185 hp) V8 Engine Specs

1958 Chevrolet 283 (230 hp) V8 Engine Specs

1958 Chevrolet 348 (250 hp) V8 Engine Specs

1958 Chevrolet 283 (250 hp) V8 Engine Specs

1958 Chevrolet 348 (280 hp) V8 Engine Specs

1958 Chevrolet 283 (290 hp) V8 Engine Specs

1958 Chevrolet 348 (300 hp) V8 Engine Specs

1958 Chevrolet 348 (315 hp) V8 Engine Specs

Return to Chevrolet Engine Specs Index