GENERAL SPECIFICATIONS
|
| Model Designation:
150, 210 & Bel Air (all engines available) |
| Wheel base: 115 |
| Valve Location: In
head |
| Bore and
Stroke: 3.875 x 3.000 |
| Piston displacement, Cubic
Inches: 283 |
| Compression
ratio: w/2-barrel carb: 8.5 |
| Maximum
Brake Horsepower: w/2-barrel carb: 185
@ 4600 RPM |
| Maximum
Torque Lbs.Ft. @ RPM: w/2-barrel carb: 275
@ 2400 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: Second line before "0" on timing tab on front cover; 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: .009
Oil: .005 |
| Wristpin
Diameter, Inch: .9271 |
VALVE SPECIFICATIONS
|
Operating
Clearance:
w/hydraulic valve lifters and one carb: Intake: 0 Exhaust: 0 |
| Valve Seat
Angle, degrees: 45 |
Valve Timing: (BTDC
= before top dead center; ATDC = after top dead
center)
w/hydraulic lifters and one carb: Intake opens: 12-1/2 BTDC Exhaust Closes: 15-1/2 ATDC |
Valve Spring
Pressure Pounds at Inches Length:
Inner
Spring: 69 @ 1.696 |
| Valve Lift Zero Lash: Intake: .398 Exhaust: .398 |
| Stem Diameter: Intake: .3415-.3422 Exhaust: .3410-.3417 |
| Valve Stem
Clearance: Intake: .001-.003; Exhaust:
.0015-.003 |
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: .001-.003
Shaft End Play: .002-.006 (Thrust
on Bearing 5)
|
CAPACITY DATA
|
Cooling
System:
Without
heater: 16 quarts
With heater: 17 quarts |
| Fuel Tank: 16 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: 3-1/2
pints |
1957 Chevrolet 283 (185 hp) V8 Engine Specs
1957 Chevrolet 283 (185 hp) V8 Engine Distributor Specs
1957 Chevrolet 283 (185 hp) V8 Engine Generator Specs
1957 Chevrolet 283 (185 hp) V8 Engine Regulator Specs
1957 Chevrolet 283 (185 hp) V8 Engine Starting Motor Specs
1957 Chevrolet 283 (185 hp) V8 Engine Tightening Specs
1957 Chevrolet Wheel Alignment Specs
Other 1957 Chevrolet V8 Engine Options
1957 Chevrolet 265 (162 hp) V8 Engine Specs
1957 Chevrolet 283 (220 hp) V8 Engine Specs
1957 Chevrolet 283 (245 hp) V8 Engine Specs
1957 Chevrolet 283 (250 hp) V8 Engine Specs
1957 Chevrolet 283 (270 hp) V8 Engine Specs
1957 Chevrolet 283 (283 hp) V8 Engine Specs
Return to Chevrolet Engine Specs Index
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