1957 Chevrolet Bel Air technical and mechanical specifications (2023)

Inline 6
Displacement : 3859 cc | 235.5 cu in. | 3.9 L.
Power : 140 HP (103.04 KW) @ 4200 RPM
Bore : 3.6 in | 90 mm.
Stroke : 3.9 in | 100 mm.
Compression : 8.0:1
Main Bearings : 4
Cylinder Block : Cast-iron
1 barrel carburetor
V 8
Displacement : 4343 cc | 265.0 cu in. | 4.3 L.
Power : 162 HP (119.232 KW) @ 4400 RPM
Bore : 3.8 in | 95 mm.
Stroke : 3.0 in | 76 mm.
Compression : 8.0:1
Main Bearings : 5
Valvetrain : 16 OHV (2 valves per cylinder)
Cylinder Block : Cast-iron
1 2-barrel carburetor
V 8
Displacement : 4343 cc | 265.0 cu in. | 4.3 L.
Power : 170 HP (125.12 KW) @ 4400 RPM
Bore : 3.8 in | 95 mm.
Stroke : 3.0 in | 76 mm.
Compression : 8.0:1
Main Bearings : 5
Cylinder Block : Cast-iron
Rochester or Carter 2-barrel carburetor
V 8
Displacement : 4638 cc | 283.0 cu in. | 4.6 L.
Power : 185 BHP (136.16 KW)
Bore : 3.9 in | 99 mm.
Stroke : 3.0 in | 76 mm.
Valvetrain : 16 OHV (2 valves per cylinder)
V 8 | Pushrod Valvetrain
Displacement : 4638 cc | 283.0 cu in. | 4.6 L.
Power : 220 BHP (161.92 KW) @ 4600 RPM
Torque :300 Ft-Lbs (407 NM) @ 3000 RPM
Bore : 3.9 in | 99 mm.
Stroke : 3.0 in | 76 mm.
Compression : 9.5:1
V 8
Displacement : 4638 cc | 283.0 cu in. | 4.6 L.
Power : 245 BHP (180.32 KW) @ 5000 RPM
Torque :300 Ft-Lbs (407 NM) @ 3800 RPM
Bore : 3.9 in | 99 mm.
Stroke : 3.0 in | 76 mm.
Compression : 9.5:1
2 4-barrel carburetors
V 8
Displacement : 4638 cc | 283.0 cu in. | 4.6 L.
Power : 250 BHP (184 KW) @ 5000 RPM
Torque :305 Ft-Lbs (414 NM) @ 3800 RPM
Bore : 3.9 in | 99 mm.
Stroke : 3.0 in | 76 mm.
Compression : 9.5:1
V 8 | 2x4-bbl
Displacement : 4638 cc | 283.0 cu in. | 4.6 L.
Power : 270 BHP (198.72 KW) @ 6000 RPM
Torque :285 Ft-Lbs (386 NM) @ 4500 RPM
Bore : 3.9 in | 99 mm.
Stroke : 3.0 in | 76 mm.
Compression : 9.5:1
V 8
Displacement : 4638 cc | 283.0 cu in. | 4.6 L.
Power : 283 HP (208.288 KW) @ 6200 RPM
Torque :290 Ft-Lbs (393 NM) @ 4400 RPM
Bore : 3.9 in | 98 mm.
Stroke : 3.0 in | 76 mm.
Compression : 10.5:1
Main Bearings : 5
Cylinder Block : Cast-iron
Direct Fuel Injection

Transmission:
3 Manual , 2 Automatic , 2 Turboglide , 2 Corvette Type Powerglide , 3 Manual Close Ratio , Overdrive , Regular Powerglide

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