Classic car and antique car restoration information on body work, welding, painting, repairing, engines, transmissions, suspension, electrical, complete car restoration projects.
Rust Bullet
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

1948 Studebaker 169 Six Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Champion 6: 6G
Wheel base: 112
Valve Location: In block
Bore and Stroke: 3 x 4
Piston displacement, Cubic Inches: 169.6
Compression ratio: 6.50
Maximum Brake Horsepower: 80 @ 4000 RPM
Maximum Torque Lbs.Ft. @ RPM: 134 @ 2000 RPM
Normal Oil Pressure Pounds: 40

TUNE UP SPECIFICATIONS

Spark Plug Make: Champion J7
Spark Plug Gap, Inch: .025
Firing Order: 153624
Ignition Timing: IGN on Vib. Damp.
Engine Idle Speed, RPM:  500
Cylinder Head Torque Lbs.Ft.: 52
Compression Pressure & Cranking Speed: 105 Min.
Voltage & Polarity: 6 volts, positive ground

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale:
Shim Thickness to use: .002 (1 inch wide feeler);
Pounds Pull on Scale:: 15 to 20
Ring End Gap: (Fit rings in tapered bores for clearance shown in tightest portion of ring travel.)
Compression: .007
Oil: .007
Clearance in Groove: Compression: .002-.0025; Oil: .0015-.002
Wristpin Diameter, Inch: .7491-.7495

VALVE SPECIFICATIONS

Operating Clearance:
     Intake: .016 Cold  Exhaust: .016 Cold
Valve Seat Angle, degrees: 45
Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
         Intake opens: 15 degrees BTDC
         Exhaust Closes: 10 ATDC
Valve Spring Pressure Pounds at Inches Length:
    Inner Spring: 54 @ 1-21/32
Valve Stem Clearance: Intake: .0015-.0035; Exhaust: .0015-.0035
Clearance for Timing Intake: .020

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 1.81175-1.81275
    Bearing Clearance, Inch: .0005-.002
    Rod End Play, Inch: .005-.009
    Rod Bolt Tension: Lbs.Ft.: 25-27
Main Bearings:
    Journal Diameter, Inches: 2.4370-2.4375
     Bearing clearance: .0005-.0025
    Shaft End Play: .003-.006    (Thrust on front bearing)
    Main Bolt Tension: Lbs.Ft.: 90-95

CAPACITY DATA

Cooling System:
    Without heater: 10 quarts
    With heater: 11-1/2 quarts
Fuel Tank: 17 gallons
Engine Oil: 5 quarts
Transmission: w/out overdrive: 1-1/2 pint; with overdrive: 2-1/2
Rear Axle: 2-1/2 pints

AUTO-LITE DISTRIBUTOR SPECIFICATIONS

Distributor part number: 1GC-4805 (distributor rotates counter-clockwise when viewed from top)
Cam Angle, degrees: 39
Breaker Point opening, Inch: .020 (plus or minus .002)
Condenser Capacity: .20-.25 Mfds.
Breaker Arm Spring Tension: 17-20 Oz.
Centrifugal Advance: (degrees at RPM of distributor)
   
Advance starts: 1 degrees @ 540
   Full Advance: 7 degrees @ 1400
Vacuum Advance Data (degrees @ In. of Mercury):
    Advance starts: 1 @ 4-3/4
    Full Advance: 9 @ 14-3/4

AUTO_LITE GENERATOR SPECIFICATIONS

Generator Number: GDZ-4805A (generator rotates clockwise, 6 volts, positive ground)
Generator output: 35 amps @ 2000 RPM
Brush Spring Tension: 35-53 oz.
Field Current: 1.3 - 1.5 at 5 volts

AUTO-LITE REGULATOR SPECIFICATIONS

Regulator Number: VRP-6001A
Cutout Relay:
    Voltage to close points: 6.5
    Reverse Current to Open Points: 4-6 amps
    Armature Air Gap: .031
Voltage Regulator Setting: 7.3 volts
Current Regulator Setting: 35 amps
Current and voltage armature air gap, Inch: .048

AUTO-LITE STARTING MOTOR SPECIFICATIONS

Part number: MZ-4136 (starter rotates clockwise)
Bush Spring Tension, Ounces: 42-53
No Load Test: 68 amps, 5.0 volts @ 4000 RPM
Torque Test: 280 Amps, 2.0 volts, Torque, Lbs.Ft.: 4.4

WHEEL ALIGNMENT SPECIFICATIONS

Caster, Degrees
    Limits: 0 to +1
    Desired: +1/2
Camber, Degrees
    Limits: +1/4 to +3/4
    Desired: +1/2
Toe-In, Inches: 1/16 to 1/8
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: 23 to 25
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 steering knuckle support)
    5-1/2

·  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.