Classic car and antique car restoration information on body work, welding, painting, repairing, engines, transmissions, suspension, electrical, complete car restoration projects.
Home    Contact Us    Discussion Forum       Search


  • About This Site


  • FEATURE ARTICLES
  • AUTO THEORY
  • AUTO-BIOGRAPHY
  • BEGINNERS CORNER
  • DR. CRANKSHAFT
  • ENGINE SPECS
  • HOW TO
  • PRODUCT REVIEWS
  • READERS' PROJECTS
  • RESTORATION TIPS
  • THE GOOD OL' DAYS
  • TROUBLESHOOTING
  • PHOTO GALLERY
  • USEFUL WEBSITES


  • '52 FORD F1 PICKUP
  • '55 T-BIRD PROJECT


  • Article Index
  • Contact Us
  • Privacy Policy
  • Site Map
  • Terms of Use
  • Advertise With Us

Save the Internet: Click here
 
ENGINE SPECS

1953 Chevrolet 235 Inline 6 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Six Cylinder:  One-FIfty 6, Two-Ten 6, Bel Air 6
Wheel base: 115
Valve Location: In head
Bore and Stroke: 3-9/16 x 3-15/16
Piston displacement, Cubic Inches: 235.5
Compression ratio: Standard Trans: 7.1 Powerglide: 7.5
Maximum Brake Horsepower: Standard Trans: 108 @ 3600 RPM; Powerglide: 115 @ 3600 RPM
Maximum Torque Lbs.Ft. @ RPM: Standard Trans: 200 @ 2000; Powerglide: 204 @ 2000 RPM
Normal Oil Pressure Pounds: Standard Trans: 14; Powerglide: 45

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. Before engine No. LAA-283230 from Flint and LAQ-117209 from Tonawanda set timing 7/32 after the timing ball. Starting with these engines set the timing at ball.
Engine Idle Speed, RPM: Manual shift trans. 475; automatic trans. 425
Cylinder Head Torque Lbs.Ft.: 90-95
Compression Pressure & Cranking Speed: 130 Min.

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale:
    Removed from Above
Shim thickness to use:
    Standard trans: Pistons should pass on a .002 feeler with light pressure, and lock on a .003 feeler;
    Powerglide: Shim thickness to use: .0015; Pounds pull on scale: 7 to 18
Rings: (for tapered bores for minimum clearance fit rings in tightest portion of ring travel)
    Ring Gap, Minimum: Compression: standard trans.: .007, .005 for second ring; Powerglide: .007
    Ring Gap, Minimum: Oil: .005
    Clearance in Groove: Compression: standard trans.:.0015-.003; Powerglide: .002 - .0035
    Clearance in Groove: Oil: standard trans.: .002-.0035; Powerglide: .001 - .0025
Wristpin Diameter, Inch: standard trans.: .8645-.8650; Powerglide: .8660 - 8665

VALVE SPECIFICATIONS

Operating Clearance:
    Powerglide:
        Intake: 0
        Exhaust: 0
    Standard trans:
        Intake: .006 H
        Exhaust: .015 H
Clearance for Timing Intake: 0
Valve Seat Angle, degrees: Intake 31; exhaust 46
Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
     Powerglide:
         Intake opens: 16 degrees ATDC
         Exhaust Closes: 17-1/2 degrees ATDC
    Standard trans:
         Intake opens: 1 degrees ATDC
         Exhaust closes : 9 degrees ATDC
Valve Spring Pressure Pounds at Inches Length:
     Spring: 160 @ 1-1/2 (only one spring used)
Valve Stem Clearance:
    Intake: .001-003
    Exhaust: .002-.004

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 2.311-2.312
    Bearing Clearance, Inch: Standard trans.: .0003-.0013; Powerglide: .0007 - .0028
    Rod End Play, Inch: Standard trans.: .004-.012; Powerglide: .005-.012
    Rod Bolt Tension, Lbs.Ft.: 35-45
Main Bearings:
    Journal Diameter, Inches: Front: 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: Standard trans.: .0007-.0028; Powerglide: .0002 - .0028
    Crankshaft End Play, Inch (taken on No. 3 bearing): Standard trans.: .003 - .009; Powerglide: .0035-.0095
    Main Bolt Tension, Lbs.Ft.: 100-110

CAPACITY DATA

Cooling System:
    Without heater: 15 quarts
    With heater: 16 quarts

Fuel Tank: 16 gallons
Engine Oil: 5 quarts
Transmission: 1-1/2 pints;
Rear Axle: 3-1/2 pints

DELCO-REMY DISTRIBUTOR SPECIFICATIONS

Distributor part number: standard trans: 1112389, Powerglide: 1112388 (distributor rotates clockwise)
Cam Angle, degrees: 38-45
Breaker Point opening, Inch: .016
Condenser Capacity: .18-.23 Mfds.
Breaker Arm Spring Tension: 19-23 Oz.
Centrifugal Advance:
   1112389:
        Advance starts 2 degrees @ 350
        Full Advance: 18 degrees @ 1800 RPM
    1112388:
        Advance starts 2 @ 375
        Full Advance: 14 @ 1750
Vacuum Advance Data:
    Inches of vacuum to start plunger movement: 7 - 8-1/2
    Inches of vacuum for full plunger travel: 18-1/2
    Maximum vacuum advance, Dist. degrees: 10

DELCO-REMY GENERATOR SPECIFICATIONS

Generator Number: 1100018, 1102793 (generator rotates clockwise)
Generator output: 1100018: 45 @ 3250 RPM; 1102793: 45 @ 2450
Brush Spring Tension: 28 oz.
Field Current (6 volts): 1100018: 1.75-1.9; 1192793: 1.87 - 2.0

REGULATOR SPECIFICATIONS

Regulator Number: 1118720, 1118725 (Regulators negative ground)
Cutout Relay:
    Voltage to close points: 6.4
    Reverse Current to Open Points: 0-3 amps
    Armature Air Gap: .020
Voltage Regulator Setting: 1118720: 7.3 volts; 1118725: 7.4 volts
Current Regulator Setting: 1118720: 45 amps; 1118725: 47 amps
Current and voltage armature air gap, Inch: .075

DELCO-REMY STARTING MOTOR SPECIFICATIONS

Part number: 1107109 (starter rotates clockwise)
Bush Spring Tension, Ounces: 24-28

No Load Test: 70 amps, 5.65 volts @ 5500 RPM

Torque Test: 550 Amps, 3.25 volts, Torque, Lbs.Ft.: 11

ENGINE TIGHTENING SPECIFICATIONS (FT. LBS.)

Spark Plugs: 20-25
Cylinder Head Bolts: 90-95
Intake Manifold: Clamp Bolts: 15-20, stud nuts: 25-30
Exhaust Manifold: Clamp Bolts; 15-20, stud nuts: 25-30
Rocker Arm Shaft Bracket: 25-30
Rocker Arm Cover: 6 - 7-1/2
Connecting Rod Cap Bolts: 35-45
Main Bearing Cap Bolts: 100-110
Flywheel to Crankshaft: 50-65
Vibration Damper or Pulley: Pressed on

REAR AXLE AND BRAKE CYLINDER SPECIFICATIONS

Ring Gear & Pinion Backlash, Inch: .005-.008
Drive Pinion Adjustment: Shims
Drive Pinion Bearing Adjustment: Spacer

Axle Shaft End Play, Inch: Choose axle shaft spacer that gives .014 inches maximum clearance between ends of axle shaft and spacer.
Hydraulic Cylinder Bore Sizes, Inch:
    Wheel Cylinder:
          Front:
1-1/8
        Rear: 1
    Master Cylinder: 1

WHEEL ALIGNMENT SPECIFICATIONS

Caster, Degrees
    Limits: 0 to + 1
    Desired: +1/2
Camber, Degrees
    Limits: 0 to +1
    Desired: +1/2
Toe-In, Inches: 3/16 to 5/16
Toe-Out on Turns, Degrees: (If toe-out is incorrect, when other adjustments are correct, look for bent steering arms.)
    Outer wheel: 20
    Inner Wheel: 22 to 26
Kingpin Angle, or Steering Axis Degrees: (If king pin or spindle support angle are incorrect, but camber is correct, look for bent suspension arms or spindle support)
    3-1/2 to 4-1/2

 


·  Understanding Second Chance Garage's Vintage Auto Engine Specs


 
Home    Search    Discussion Forum
©2008 Second Chance Garage, LLC, All Rights Reserved. Reproduction without permission prohibited.