ENGINE SPECS
1955 Chevrolet 235 (136hp) Inline 6 Engine Specs
GENERAL SPECIFICATIONS
Model Designation: One-Fifty, Two-Ten, Bel-Air, with Powerglide transmission
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
