1951 CHEVROLET
Special Series, JJ, 6 Cylinder
General Specifications
Wheelbase: 115 inches
Bore & Stroke: 3-1/2" x 3-3/4"
Engine Displacement: 216.5 Cu. In.
Compresssion Ratio: 6.6 to 1
Taxable Horsepower: 29.40
Horsepower: 92 @ 3,400 RPM;
Max. Torque: 174 Ft. Lbs. @ 1,200 RPM
Normal Oil Pressure: 14 Lb/Sq. In.
Rear Axle Ratio: 4.11:1
Tire Size: 6.70 x 15 inches
Note: Only a 3 speed manual transmission was available in the Special Series
STYLELINE BODY, SPECIAL SERIES 1500JJ
4 Door Sedan, 6 Passenger; Model #1503; Body & Style #51-1269; Base Price: $1,594
Shipping Weight: 3,110 Pounds; Production Total: 63,718
2 Door Sedan, 6 Passenger, Model #1502; Body & Style #51-1211; Base Price: $1,540
Shipping Weight: 3,070 Pounds; Production Total: 75,566
2 Door Sport Coupe, 6 Passenger, Model #1524; Body & Style #51-1227;
Base Price: $1,545; Shipping Weight: 3,060 Pounds; Production Total: 18,981
2 Door Business Coupe, 3 Passenger, Model #1504; Body & Stype #51-1227B
Base Price: $1,460; Shipping Weight: 3,040; Production Total: 17,020
FLEETLINE BODY, SPECIAL SERIES 1500 JJ
4 Door Sedan, 6 Passenger, Model #1553; Body & Style #51-1208; Base Price: $1,594
Shipping Weight: 3,130 Pounds; Production Total: 3,364
2 Door Sedan, 6 Passenger, Model #1552, Body & Style #51-1207; Base Price: $1,540
Shipping Weight: 3090 Pounds; Production Total: 6,441
Deluxe Series, JK, 6 Cylinder
General Specifications
Wheelbase: 115 inches
Manual Transmission Engine:
Bore & Stroke: 3-1/2" x 3-3/4"
Engine Displacement: 216.5 Cu. In.
Compression Ratio: 6.6 to 1;
Taxable Horsepower: 29.40
Horsepower: 92 @ 3,400 RPM;
Maximim Torque: 174 Ft Lbs @ 1,200 RPM;
Normal Oil Pressure: 14 Lb/Sq.In
Automatic Transmission (Powerglide) Engine:
Bore & Stroke: 3-9/16" x 3-15/16"
Engine Displacement: 235.5 Cu. In.
Compression Ratio: 6.75 to 1;
Taxable Horsepower: 30.40
Horsepower: 105 @ 3,600 RPM;
Maximim Torque: 193 Ft. Lbs @ 2,000 RPM;
Normal Oil Presssure: 14 Lb/Sq.In.
Rear Axle Ratio: Standard Transmission - 4.11:1
Automatic Transmission: 3.55:1
Tire Size: 6.70 x 15 inches (7.10 x 15 inches Standard on Convertibles)
STYLELINE BODY, DELUXE SERIES 2100 JK
4 Door Sedan, 6 Passenger; Model #2103; Body & Style #51-1069; Base Price: $1,680
Shipping Weight: 3,150 Pounds; Production Total: 380,270
2 Door Sedan, 6 Passenger, Model #2102; Body & Style #51-1011; Base Price: $1,629
Shipping Weight: 3,110 Pounds; Production Total: 262,933
2 Door Sport Coupe, 6 Passenger, Model #2124; Body & Style #51-1027;
Base Price: $1,647; Shipping Weight: 3.090; Production Total: 64,976
Bel Air 2 Door Hardtop, 6 Passenger, Model #2154; Body & Style #51-1037;
Base Price: $1,914; Shipping Weight: 3,215 Pounds; Production Total: 103,356
Convertible, 5 Passenger, Model #2134; Body & Style #51-1067; Base Price: $2,030 Shipping Weight: 3,380 Pounds; Production Total: 32,810
Station Wagon, 4 Door, 8 Passsenger, Model #2119; Body & Style #51-1062;
Base Price: $2,191; Shipping Weight: 3,450 Pounds; Production Total: 23,586
FLEETLINE BODY, DELUXE SERIES, 2100 JK
4 Door Sedan, 6 Passenger, Model #2153; Body & Style #51-1008; Base Price: $1,680;
Shipping Weight: 3,155 Pounds; Production Total: 57,693
2 Door Sedan, 6 Passenger, Model #2152; Body & Style #51-1007 Base Price: $1,629;
Shiping Weight: 3,125 Pounds; Production Total: 131,910
1951 CHEVROLET
Tune Up Specifications - All Series
Spark Plug: AC 46-5:
Gap .035
Firing Order: 153624
Ignition Timing: Mark-Steel Ball Located on Flywheell
Engine Idle Speed: Manual Transmission - 475 RPM; Automatic Transmission - 425 RPM
Cylinder Head Torque: 75-80 Ft. Lbs
Compression @ Cranking Speed - 110 Lb
Belts & Hoses
Fan Belt: Goodyear #22424, or Equivalent
Radiator Hoses, Automatic Transmission: Upper: Goodyear #60083, #52007 or Equivalent
Lower: Not Available
Radiator Hoses, Standard Transmission: Upper: Goodyear #60083, #52007 or Equivalent
Lower: Goodyear: #60101 or 52416, or Equivalent
Heater Hose: Fresh Air Heater: 5/8" by 7.00 Feet
Dash Heater: 5/8" by 6.00 Feet
Valve Specifications
Standard Transmission Engine:
Operating (Tappet) Clearance, Hot: Intake .006; Exhaust .015
Valve Stem Clearance: Intake .001-.003; Exhaust .002-.004
Clearance for Intake Timing: Zero
Valve Seat Angle: Intake 31 degrees; Exhaust 46 degrees, in head
Valve Timing: Intake Opens 1 degree After Top Dead Center
Exhaust Closes 9 degrees After Top Dead Center
Valve Spring Pressure: 125 Lbs @ 1-1/2 inches
Automatic Transmission Engine:
Operating (Tappet) Clearance: Zero for both Intake & Exhaust
Valve Stem Clearance: Intake .001-.003; Exhaust .002-.004
Clearance for Intake Timing: Zero
Valve Seat Angle: Intake 31 degrees: Exhaust 46 degrees, in head
Valve Timing: Intake Opens 16 degrees Before Top Dead Center
Exhaust Closes 17-1/2 degrees After Top Dead Center
This engine has Hydralic Valve Lifters
Piston & Ring Data-All Series
Piston Removal: From Above
Shim Thickness to Use: Piston should pass at .002" and lock at .003"
Ring Gap, Minimum:
Compression: 216 Engine: .005"
235 Engine: .007" for top ring and .005" for 2nd ring.
Ring Clearance in Groves, All Engines:
Compression: .0015-.003
Oil: .002-.0035
Wrist Pin Diameter: .8645-.8650 inches
Engine Bearing Data
Both Standard & Automatic Transmission Engines:
Connecting Rod Bearing Journal Diameter: 2.311-2.312 inches
Rod Bearing Clearance: .0003-.0013 inches
Rod End Play: .004-.012 inches
Rod Bolt Tension: 35-45 Lbs. Ft.
Main Bearing Journal Diameter: Front, 2.6835-2.6845; No 2, 2.7145-2.7155
No. 3, 2.7455-2.7465; No 4, 2,7765-2,7775
Main Bearing Clearance: .0007-.0028 inch
Crankshaft End Play: .003-.009 Inch (Thrust taken on #3 bearing)
Main Bolt Tension: 100-110 Lbs. Ft.
Capacities-All Series & Engines
Cooling System: 15 Qts. without Heater; 16 Quarts with Heater
Fuel Tank: 16 Gallons;
Engine Oil Refill: 5 Qts;
Manual Transmission: 1-1/2 pints;
Automatic Transmission: 11 Qts (5 Qts. for pan gasket drain & change)
Rear Axle: 3-1/2 pints;
Generators
#1102749
Generator Output: 45 Amps @ 2,400 RPM
Brush Spring Tension: 28 Ounces
Field Current @ 6 Volts: 1.75-1.9 Volts
Regulator #1118300
Cutout Relay:
Voltage to Close Points: 6.4
Reverse Current to Open Points: 0-3 Amperes
Armature Air Gap: .020"
Voltage Regulator Setting: 7.3 Volts
Current Regulator Setting: 42 Amperes
Current & Voltage Armature Air Gap: .075"
Ground Polarity: Negative
#1102761
Generator Output: 36 Amps @ 2,400 RPM
Brush Spring Tension: 28 Ounces
Field Current @ 6 Volts: 1.75-1.9 Volts
Regulator #1118301
Cutout Relay:
Voltage to Close Points: 6.4
Reverse Current to Open Points: 0-3 Amperes
Armature Air Gap: .020"
Voltage Regulator Setting: 7.3 Volts
Current Regulator Setting: 36 Amperes
Current & Voltage Armature Air Gap: .075"
Ground Polarity: Negative
Distributors
#1112362
Clockwise Rotation
Cam Angle: 31-37 degrees
Point Gap .022
Condensor .18-.23 Mfds.
Breaker Arm Tension: 17-21 Ounces
Centrifugal Advance Data:
Advance Starts: 1-1/2 Degrees @ 350 RPM
Full Advance: 19 Degrees @ 1,700 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7 to 8-1/2 Inches
Inches of Vacuum for Full Plunger Travel: 16-1/2 to 18-1/2 Inches
Maximum Vacuum Advance: 10 Degrees
#1112363
Clockwise Rotation
Cam Angle: 31-37 degrees
Point Gap .022
Condensor .18-.23 Mfds.
Breaker Arm Tension: 17-21 Ounces
Centrifugal Advance Data:
Advance Starts: 1 Degree @ 300 RPM
Full Advance: 16-1/2 Degrees @ 1,850 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7 to 8-1/2 Inches
Inches of Vacuum for Full Plunger Travel: 16-1/2 to 18-1/2 Inches
Maximum Vacuum Advance: 10 Degrees
Starting Motors
#1107075
Clockwise Rotation
Brush Tension: 24-28 Ounces;
No Load Test: 70 Amps, 5.65 Volts @ 5500 RMP
Torque Test: 550 Amps, 3.25 Volts. Torque 11 Ft Lb
Beginning Engine Number: JA-1001
Beginning Serial Numbers: JJ Series: JJ-1001; JK Series: JK-1001
Brake Specifications-All Series
Lining Deminsions in Inches/Wheel:
Length, 21;
Width : Front Wheel, 2": Rear Wheel 1-3/4; Thickness 7/32
Wheel Cylinder Bore:
Front 1-1/8 inches; Rear: 1- inch
Master Cylinder Bore: 1 inch; Drum Size: 11 inches
Adjustment: Adjust to slight drag then back off 14 notches
Wheel Allignment Specifictions-All Series
Caster: 0 to +1 (+1/2 preferred);
Camber: 0 to +1 (+1/2 preferred);
Toe In; 1/8 inches;
Toe Out on Turns: Outer Wheel-20 degrees; Inner Wheel-22-26 degrees;
Kingpin Angle: 3-1/2 degrees to 4-1/2 degrees
Rear Axle Data
Ring Gear & Pinion Backlash: .005-.008 Inch
Drive Pinion Adjustment: None
Drive Pinion Bearing Adjustment: None
Axle Shaft End Play: .000-.014 Inch
Chasis Specifications-All Series
Overall Length: Passenger Cars 197.75 inches, Station Wagon 197-7/8 inches
Front Tread: 57 inches; Rear Tread: 58-3/4 inches;
Carburetor Types
Rochester Type B with Manual Choke:
Carburetor #'s: 7001374, 7002050, 7002051, 7003060, 7003152, 7003160, 7003863 7003864, 7003865, 7003986, 7004475, 7004476, 7004477, 7004495, 7004600.
Float Level: 1-5/16"
Float Drop: 1-3/4"
Idle Screw Setting, Turns to Open: 2-1/2 Turns
Rochester Type BC with Automatic Choke:
Carburetor #'s: 7004620, 7005060, 7003562.
Float Level: 1-5/16"
Float Drop: 1-3/4"
Idle Screw Setting, Turns to Open: 2-1/2 Turns
Choke Rod: .073"
Choke Unloader: .166"
Fuel Pump Data
Fuel Pump Pressure: 3-1/2 to 4-1/2 PSI
Popular Options
Manual Radio, Push Button Radio, Under dash heater with defroster, In dash Deluxe heater with defroster, White sidewall tires, Wheel trim rings; Spotlight, Fog lamps, Directional signals, Back-up lamps, Outside sunvisor; Bumper Tips, Grille Guard; Locking Gas Cap, Grille Guard, Rear Trunk Guard, Gas Filler Door Guard, Electric Clock, Full Wheel Discs, Tissue Dispenser, Vacuumatic ash tray, Rubber Heel Protector, Underhood Lamp, Luggage Compartment Lamp, Outside rear view mirrors, left and right.
Paint Codes
442 Mayland Black 443 Burgundy Red Poly 444 Thistle Gray
445 Fathon Green Poly 446 Shadow Gray Poly 447 Trophy Blue Poly
447 Regatta Blue Poly 448 Aspen Green Poly 449 AztecTan
450 Moonlite Cream 459 Shadow Gray Poly 462 Aspen Green
Two Tones:
451 Shadow Gray Poly Upper & Thistle Gray Lower
452 Fathom Green Poly Upper & Aspen Green Lower
453 Mayland Black Upper & Aspen Green Poly Lower
454 Thistle Gray Upper & Trophy Blue Poly Lower
455 Thistle Gray Upper & Shadow Gray Poly Lower
456 Aspen Green Poly Upper & Fathom Green Poly Lower
457 Grained Upper & Aztec Tan Lower
458 Grained Upper & Fathom Green Poly Lower
460 Shadow Gray Poly Upper & Moonlite Cream Lower
461 Moonlite Cream Upper & Shadow Gray Poly Lower
463 Fathom Green Poly Upper & Aspen Green Poly Lower
464 Aspen Green Poly Upper & Fathom Green Poly Lower
1951 Chevrolet Promotional Model Cars Available
Plastic:
2 Door Coupe, Styline 2 door Sedan, Styline 4 door Sedan, Fleetlline 2 door Sedan,
Fleetline 4 door Sedan, Bel Air 2 door Hardtop, Convertible
1951 Chevrolet Historical Data
Dealer introduction of the 1951 Chevrolet was on December 9, 1950.
Model Year Production: 1,118,096 Cars
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