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ENGINE SPECS

1958 Chevrolet 283 (290 hp) V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: 150, 210 & Bel Air w/Fuel Injection & Dual Exhaust

Wheel base: 117-1/2

Valve Location: In head

Bore and Stroke: 3.875 x 3.000

Piston displacement, Cubic Inches: 283

Compression ratio: 11.50

Maximum Brake Horsepower: w/fuel injection: 290 @ 6200 RPM

Maximum Torque Lbs.Ft. @ RPM: w/fuel injection: 290 @ 4400 RPM

Normal Oil Pressure Pounds: 35

TUNE UP SPECIFICATIONS (all models)

Spark Plug Make: AC 44

Spark Plug Gap, Inch: .035

Firing Order: 18436572 (front to rear left bank: 1-3-5-7, right bank: 2-4-6-8)

Timing Mark: 4 degrees BTDC; Location: Damper

Engine Idle Speed, RPM:  425

Compression Pressure & Cranking Speed: 150 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: .010
Oil: .015

Wristpin Diameter, Inch: .9271

VALVE SPECIFICATIONS

Operating Clearance:
     w/mechanical valve lifters: Intake: .012 Hot   Exhaust: .018 Hot
    w/hydraulic valve lifters: Intake: 0 Exhaust: 0

Valve Seat Angle, degrees: 45

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
         Intake opens: 12-1/2 BTDC  Exhaust Closes: 15-1/2 ATDC

Valve Spring Pressure Pounds at Inches Length:
    Inner Spring: 160 @ 1.30

Valve Lift Zero Lash: Intake: .398 Exhaust: .398

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

Valve Stem Clearance: Intake: .001-.0027; Exhaust: .001-.0032

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 1.999-2.000
    Bearing Clearance, Inch: .0007-.0027

Main Bearings:
    Journal Diameter, Inches: 2.2978-2.2988
    Bearing clearance: .0008-.0034
    Shaft End Play: .002-.006    (Thrust on Bearing 5)

CAPACITY DATA

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

Fuel Tank: 20 gallons; Station Wagon 17 gallons

Engine Oil: 4 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 283 (250 hp) V8 Engine Specs

1958 Chevrolet 283 (250hp) V8 Engine Distributor Specs

1958 Chevrolet 283 (250hp) V8 Engine Generator Specs

1958 Chevrolet 283 (250hp) V8 Engine Regulator Specs

1958 Chevrolet 283 (250hp) V8 Engine Starting Motor Specs

1958 Chevrolet 265 (250 hp) V8 Engine Tightening Specs

1958 Chevrolet Wheel Alignment Specs


Other 1958 Chevrolet Engine Options

1958 Chevrolet 265 (145 hp) Inline 6 Engine Specs

1958 Chevrolet 283 (185 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