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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

1955 Chevrolet 235 (136hp) Inline 6 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: One-Fifty, Two-Ten, Bel-Air, with Powerglide transmission

Wheel base: 115

Valve Location: In head

Bore and Stroke: 3.5625 x 3.9375

Piston displacement, Cubic Inches: 235

Compression ratio: 7.5

Maximum Brake Horsepower: Powerglide: 136 @ 4200 RPM

Maximum Torque Lbs.Ft. @ RPM: Powerglide: 209 @ 2200 RPM

Normal Oil Pressure Pounds: 35

TUNE UP SPECIFICATIONS

Spark Plug Make: AC 44-5

Spark Plug Gap, Inch: .035

Firing Order: 153624

Ignition Timing: Timing mark: steel ball located on flywheel.

Engine Idle Speed, RPM: Manual shift trans. 475; automatic trans. 425 (in drive)

Cylinder Head Torque Lbs.Ft.: 90-95

Compression Pressure & Cranking Speed: 130 Min.

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale: Shim thickness to use: Powerglide: .0015

Pounds Pull on Scale: Powerglide: 7-18

Rings: Compression: .007; Oil: .015

Wristpin Diameter, Inch: .8662

VALVE SPECIFICATIONS

Operating Clearance: Powerglide:
Intake: 0
Exhaust: 0

Clearance for Timing Intake: 0

Valve Seat Angle, degrees: Intake 30; exhaust 45

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
Powerglide:
Intake opens: 10-3/10 degrees BTDC
Exhaust Closes: 15 degrees ATDC

Valve Spring Pressure Pounds at Inches Length: Powerglide: 202 @ 1.46

Valve Lift, Zero Lash: Powerglide: Intake: .4004; Exhaust: .4004

Valve Stem Clearance: Intake: .001-003
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: .001-.003

Main Bearings: Journal Diameter, Inches: No. 1: 2.6835 - 2.6845; No. 2: 2.7145-2.7155; No. 3: 2.7455-2.7465; No. 4: 2.7765-2.7775
Bearing Clearance, Inch: .001-.003
Crankshaft End Play, Inch (taken on No. 3 bearing): .003 - .009

CAPACITY DATA

Cooling System: Without heater: 16 quarts
With heater: 17 quarts
Radiator Cap Relief Presure: 6-1/4 - 7-1/2
Thermostat Opening Temp.: 180

Fuel Tank: 16 gallons

Engine Oil: 5 quarts (add 1 quart with filter change)

Transmission: Powerglide Automatic: 5 quarts

Rear Axle: 3-1/2 pints

Other 1955 Chevrolet engine specs

1955 Chevrolet 235 (123 hp) Inline 6 Engine Specs

1955 Chevrolet 235 (136 hp) Inline 6 Engine Specs

1955 Chevrolet 235 (136 hp) Inline 6 Engine Distributor Specs

1955 Chevrolet 235 (136 hp) Inline 6 Engine Generator Specs

1955 Chevrolet 235 (136 hp) Inline 6 Engine Regulator Specs

1955 Chevrolet 235 (136 hp) Inline 6 Engine Starting Motor Specs

1955 Chevrolet 235 (136 hp) Inline 6 Engine Tightening Specs

1955 Chevrolet Wheel Alignment Specs

Return to Chevrolet Engine Specs Index

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