1951 PONTIAC
Model Designations:
Pontiac Streamliner, Series 25, 6 Cylinder
Pontiac Streamliner, Series 27, 8 Cylinder
Pontiac Chieftain, Series 25, 6 Cylinder
Pontiac Chieftain, Series 27, 8 Cylinder
Pontiac Streamliner, Series 25, 6 Cylinder
Standard Trim:
2 Door Sedan Coupe, 6 Passenger, 6 Cylinder, Body Style # 2407
Base Price: $1,824; Shipping Weight: 3,248 Pounds
Station Wagon, 8/6 Passenger, Body Style # 2562
Base Price: $2,470; Shipping Weight: 3,603 Pounds
DeLuxe Trim:
2 Door Sedan Coupe, 6 Passenger, 6 Cylinder, Body Style # 2407D
Base Price: $1,927; Shipping Weight: 3,263 Pounds
Station Wagon, 8/6 Passenger, Body Style # 2562D
Base Price: $2,556; Shipping Weight: 3,638 Pounds
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
Pontiac Streamliner, Series 27, 8 Cylinder, Body Styles:
Standard Trim:
2 Door Sedan Coupe, 6 Passenger, 8 Cylinder, Body Style # 2507
Base Price: $1,900; Shipping Weight: 3,433 Pounds
Station Wagon, 8/6 Passenger, Body Style # 2562
Base Price: $2,544; Shipping Weight: 3,698 Pounds
DeLuxe Trim:
2 Door Sedan Coupe, 6 Passenger, 8 Cylinder, Body Style # 2507D
Base Price: $2,003; Shipping Weight: 3,348 Pounds
Station Wagon, 8/6 Passenger, Body Style # 2562D
Base Price: $2,629; Shipping Weight: 3,628 Pounds
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
Pontiac Chieftain, Series 25, 6 Cylinder, Body Styles:
Standard Trim:
4 Door Sedan, 6 Passenger, Body Style # 2569
Base Price: $1,903; Shipping Weight: 3,273 Pounds
2 Door Sedan, 6 Passenger, Body Style # 2511
Base Price: $1,848; Shipping Weight: 3,243 Pounds
2 Door Sedan Coupe, 6 Passenger, Body Style # 2527
Base Price: $1,848; Shipping Weight: 3,223 Pounds
2 Door Business Coupe, 3 Passenger, Body Style #2527B
Base Price: $1,713; Shipping Weight: 3,193 Pounds
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
DeLuxe Trim:
4 Door Sedan, 6 Passenger, Body Style # 2569D
Base Price: $2,006; Shipping Weight: 3,273 Pounds
2 Door Sedan, 6 Passenger, Body Style # 2511D
Base Price: $1,951; Shipping Weight: 3,243 Pounds
2 Door Sedan Coupe, 6 Passenger, Body Style # 2527D
Base Price: $1,951; Shipping Weight: 3,228 Pounds
2 Door Hardtop Catilina Coupe, 6 Passenger, Body Style # 2537D
Base Price: $2,182; Shipping Weight: 3,343
2 Door DeLuxe Convertible Coupe, 6 Passenger, Body Style #2567DTX
Base Price: $2,314; Shipping Weight: 3,488 Pounds
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
Pontiac Chieftain Super Six, Series 25, 6 Cylinder, Body Styles:
2 Door Hardtop DeLuxe Catilina Coupe, 6 Passenger, Body Style # 2537SD
Base Price: $2,244; Shipping Weight: 3,353
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
Pontiac Chieftain, Series 27, 8 Cylinder, Body Styles:
Standard Trim:
4 Door Sedan, 6 Passenger, Body Style # 2569
Base Price: $1,977; Shipping Weight: 3,363 Pounds
2 Door Sedan, 6 Passenger, Body Style # 2511
Base Price: $1,922; Shipping Weight: 3,328 Pounds
2 Door Sedan Coupe, 6 Passenger, Body Style # 2527
Base Price: $1,922; Shipping Weight: 3,303 Pounds
2 Door Business Coupe, 3 Passenger, Body Style #2527B
Base Price: $1,787; Shipping Weight: 3,273 Pounds
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
DeLuxe Trim:
4 Door Sedan, 6 Passenger, Body Style # 2569D
Base Price: $2,081; Shipping Weight: 3,373 Pounds
2 Door Sedan, 6 Passenger, Body Style # 2511D
Base Price: $2,026; Shipping Weight: 3,333 Pounds
2 Door Sedan Coupe, 6 Passenger, Body Style # 2527
Base Price: $2,026; Shipping Weight: 3,318 Pounds
2 Door Hardtop Catilina Coupe, 6 Passenger, Body Style # 2537D
Base Price: $2,257; Shipping Weight: 3,428
2 Door DeLuxe Convertible Coupe, 6 Passenger, Body Style #2567DTX
Base Price: $2,388; Shipping Weight: 3,568 Pounds
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
Pontiac Chieftain Super Eight, Series 27, 8 Cylinder, Body Styles:
2 Door Hardtop DeLuxe Catilina Coupe, 6 Passenger, Body Style # 2537SD
Base Price: $2,320; Shipping Weight: 3,433
"D" in Body Style Number indicates DeLuxe Trim
Individual Body Style Production Not Available
Chassis:
Wheelbase: 120"
Tire Size:
Standard: 7.10 X 15"
Special Equipment: 7.60 X 15"
Rear Axle Ratios, 6 & 8 Cylinder:
Standard: 4.10:1
Economy: 3.90:1
Mountain: 4.30:1
Hydramatic: 3.63:1
General Engine Specifications:
Pontiac, 6 Cylinder Models:
Engine Type: In-Line 6 Cylinder, L-Head
Bore & Stroke: 3-9/16" X 4"
Engine Displacement: 239.2 Cu. In.
Compresssion Ratio: 6.50 to 1; Optional: 7.50:1
Taxable Horsepower: 30.40
Horsepower: 96 @ 3,400 RPM
Torque: 191 Ft Lbs @ 1,200 RPM
Normal Oil Pressure: 35 PSI
Pontiac, 8 Cylinder Models:
Engine Type: In-Line 8 Cylinder, L-Head
Bore & Stroke: 3-3/8" X 3-3/4"
Engine Displacement: 268.2 Cu. In.
Compresssion Ratio: 6.50 to 1
Taxable Horsepower: 36.45
Horsepower: 116 @ 3,600 RPM
Torque: 220 Ft Lbs @ 2,000 RPM
Normal Oil Pressure: 35 PSI
Capacities:
6 Cylinder Models:
Cooling System:
Without Heater: 18 Quarts
With Heater: 19-1/2 Quarts
Fuel Tank: 17-1/2 Gallons;
Engine Oil Refill: 5 Quarts;
Manual Transmission: 1-3/4 Pints
Hydra-Matic Transmission: 11 Quarts
Rear Axle: 3-1/4 Pints
8 Cylinder Models:
Cooling System:
Without Heater: 20 Quarts
With Heater: 21-1/2 Quarts
Fuel Tank: 17-1/2 Gallons;
Engine Oil Refill: 5 Quarts;
Manual Transmission: 1-3/4 Pints
Hydra-Matic Transmission: 11 Quarts
Rear Axle: 3-1/4 Pints
Tune Up Specifications:
6 Cylinder Models
Spark Plug Type: AC 44-5
Spark Plug: Gap .025"
Point Gap: .022"
Firing Order: 1-5-3-6-2-4
Ignition Timing: "IGN" Mark on Vibration Damper
Engine Idle Speed:
Manual Transmission: 520 RPM
Automatic Transmission: 375 RPM (In Drive)
Cylinder Head Torque: 60 Ft Lbs
Compression Pressure @ Cranking Speed: 120 PSI (Minimum)
8 Cylinder Models:
Spark Plug Type: AC 44-5
Spark Plug: Gap .025"
Point Gap: .016"
Firing Order: 1-6-2-5-8-3-7-4
Ignition Timing: "IGN" Mark on Vibration Damper
Engine Idle Speed:
Manual Transmission: 450 RPM
Automatic Transmission: 375 RPM
Cylinder Head Torque: 60 Ft Lbs
Compression Pressure @ Cranking Speed: 120 PSI (Minimum)
Engine Bearing Data:
6 Cylinder Models
Rod Journal Diameter: 2.1237"-2.1247"
Rod Bearing Clearance: .0001"-.0021"
Rod End Play: .007"-.012" inches
Rod Bolt Tension: 45-50 Lbs. Ft.
Main Bearing Journal Diameter:
#1: 2.500"; #2: 2.531"; #3: 2.593"; #4: 2.625";
Main Bearing Clearance: .0003" -.0023"
Crankshaft End Play: .003"-.008"
Thrust on Rear Intermediate Bearing
Main Bolt Tension: 95 Lbs. Ft. (120 Ft. Lbs on Rear Cap)
8 Cylinder Models:
Rod Journal Diameter: 1.9987"-1.9997"
Rod Bearing Clearance: .0001"-.0021"
Rod End Play: .007"-.0012" inches
Rod Bolt Tension: 45-50 Lbs. Ft.
Main Bearing Journal Diameter:
#1: 2.375" #2: 2.406" #3: 2.437" #4: 2.468"; #5: 2.625":
Main Bearing Clearance: .0003" -.0023"
Crankshaft End Play: .003"-.008"
Thrust on Rear Intermediate Bearing
Main Bolt Tension: 95 Lbs. Ft.
Rear Main Bearing Cap: 120 Ft. Lbs.
Valve Specifications:
6 & 8 Cylinder Models:
Operating Clearance, Running Hot:
Intake .012"
Exhaust .012"
Clearance for Timing: .015"
Valve Seat Angle: Intake 30 degrees; Exhaust 45 degrees,
Valve Timing: Intake Opens 5 Degrees Before Top Dead Center
Exhaust Closes 5 degrees After Top Dead Center
Valve Spring Pressure:
6 Cylinder Engines: 59 Lbs @ 1-29/32 inches
8 Cylinder Engines: 62-1/2 Lbs @ 1-23/32 inches
Valve Stem Clearance: Intake .001"
Exhaust .001"
Piston & Ring Data:
6 Cylinder Models:
Piston Removal: From Above
Fitting Pistons with Spring Scale:
Shim Thickness: .0015"
Pounds Pull on Scale: 10 to 20
Ring End Gap:
Compression Ring: .009"
Oil Ring: .009"
Clearance in Grooves:
Compression Ring: .0015"-.003"
Oil Control Ring: .001"-.0025"
Wristpin Diameter: .9369"-.9375"
8 Cylinder Models:
Piston Removal: From Above
Fitting Pistons with Spring Scale:
Shim Thickness: .0015"
Pounds Pull on Scale: 10 to 20
Ring End Gap:
Compression Ring: .008"
Oil Ring: .008"
Clearance in Grooves:
Compression Ring: .0015"-.003"
Oil Control Ring: .001"-.0025"
Wristpin Diameter: .9369"-.9375"
Delco-Remy Distributor Specifications:
6 Cylinder Models:
Distributor #1110222
Rotation: Counter-Clockwise
Cam Angle: 31-37 Degrees
Breaker Point Opening: .022"
Condenser Capacity: .18-.23 Mfds.
Breaker Arm Spring Tension: 17-21 Ounces
Centrifugal Advance Data:
Advance Starts: 2 Degrees @ 450 RPM
Full Advance: 12-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7" to 9"
Inches of Vacuum for Full Plunger Travel: 14-1/2" to 16-1/2"
Maximum Vacuum Advance: 7-1/2 Degrees
8 Cylinder Models:
Distributor #1110818
Rotation: Counter-Clockwise
Cam Angle: 21-30 Degrees
Breaker Point Opening: .016"
Condenser Capacity: .18 -.23 Mfds.
Breaker Arm Spring Tension: 19-23 Ounces
Centrifugal Advance Data:
Advance Starts: 2 Degrees @ 400 RPM
Full Advance: 11 Degrees @ 2,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7" to 9"
Inches of Vacuum for Full Plunger Travel: 17-1/2" to 19-1/2"
Maximum Vacuum Advance: 10 Degrees
Delco-Remy Generator & Regulator Specifications:
Generator #1102750
Generator Output: 40 Amperes @ 2,150 RPM
Brush Spring Tension: 28 Ounces
Direction of Rotation: Clockwise
Field Current @ 6 Volts: 1.87-2.0 Amperes
Regulator #1118300
Cutout Relay:
Voltage to Close Points: 6.4
Reverse Current to Open Points: 0 to 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
Generator #1102775
Generator Output: 45 Amperes @ 2,450 RPM
Brush Spring Tension: 28 Ounces
Direction of Rotation: Clockwise
Field Current @ 6 Volts: 1.87-2.0 Amperes
Regulator #1118725
Cutout Relay:
Voltage to Close Points: 6.4
Reverse Current to Open Points: 0 to 3 Amperes
Armature Air Gap: .020"
Voltage Regulator Setting: 7.3 Volts
Current Regulator Setting: 47 Amperes
Current & Voltage Armature Air Gap: .075"
Ground Polarity: Negative
Delco-Remy Starting Motor Specifications:
6 Cylinder Models:
Part #1107079
Rotation: Clockwise
Brush Spring Tension: 24-28 Ounces
No Load Test: 70 Amperes, 5.65 Volts, @ 5,500 RPM
Torque Test: 550 Amperes, 3.25 Volts, 11 Ft. Lbs. of Torque.
8 Cylinder Models:
Part #1107957
Rotation: Clockwise
Brush Spring Tension: 24-28 Ounces
No Load Test: 60 Amperes, 5.0 Volts, @ 6,000 RPM
Lock Test: 600 Amperes, 3.0 Volts, 15 Ft. Lbs. of Torque.
Rear Axle & Brake Specifications:
6 & 8 Cylinder Models:
Lining Dimensions/Wheel in Inches: 21-5/16"
Width: Front Wheel: 2-1/4"; Rear Wheel: 1-3/4"
Thickness: 3/16"
Brake Shoe Clearance: .015"
Wheel Cylinder Bore:
Front: 1-1/16"
Rear: 7/8"
Master Cylinder Bore: 1"
Wheel Alignment Specifications:
6 & 8 Cylinder DeLuxe Models:
Caster: - 3/4 Degrees
Camber: Zero Degrees
Toe In; 0 to 1/16"
Toe-Out on Turns:
Outer Wheel: 18-1/2 Degrees
Inner Wheel: 20 Degrees
Kingpin Angle: 5 Degrees @ 0 Degrees Camber
Carter Carburetor Specifications:
6 Cylinder:
Carburetor Model: WA1
Part #717S
Float Level: 7/16"
Idle Screw Setting: 1 to 1-3/4 Turns
Pump Adjustment Using Gauge T109-117S: 17 (Medium Stroke)
Metering Rod Gauge: T-109-102
Anti-Percolator Adjustment: .030"
Fast Idle Setting: 5/8"
Unloader Setting: 5/16"
Choke Lockout Adjustment: 1/32"
Automatic Choke Setting: 3 Rich
Carburetor Model: WA1
Part #718S
Float Level: 7/16"
Idle Screw Setting: 1 to 1-3/4 Turns
Pump Adjustment Using Gauge T109-117S: 17 (Medium Stroke)
Metering Rod Gauge: T-109-102
Anti-Percolator Adjustment: .030"
Fast Idle Setting: 5/8"
Unloader Setting: 5/16"
Choke Lockout Adjustment: 1/32"
Automatic Choke Setting: 3 Rich
8 Cylinder:
Carburetor Model: WCD
Part #719S-SA
Float Level: 3/16"
Idle Screw Setting: 3/4 to 1-1/4 Turns
Pump Adjustment Using Gauge T109-117S: 32 (Shortest Stroke)
Metering Rod Gauge: T-109-163
Fast Idle Setting: .026"
Unloader Setting: 1/8"
Automatic Choke Setting: Index
Carburetor Model: WCD
Part #720S-SA
Float Level: 3/16"
Idle Screw Setting: 3/4 to 1-3/4 Turns
Pump Adjustment Using Gauge T109-117S: 32 (Shortest Stroke)
Metering Rod Gauge: T-109-163
Fast Idle Setting: .026"
Unloader Setting: 1/8"
Automatic Choke Setting: Index
Rochester Carburetor Specifications:
6 Cylinder:
Carburetor Model: BC
Idle Mixture: Turn idle screw out 2-1/2 turns then turn as needed to provide a smooth idle.
Choke Adjustment: Mark on choke housing should be in line with lont cast mark on air horn casting.
Popular Options:
Master Radio-5 Tube; Air Mate Radio-7 Tube, Air King Radio-8 Tube, Mast Antenna, Weather Chief Heater, Defroster, Venti-Heat Underseat Heater & Defroster, Windshield Washer, Rear Windshield Wiper, Fog Lights, Spot Light, White Sidewall Discs, Kool Kushion, Trunk Light, Vanity Visor Mirror, Electric Vanity Visor Mirror, E-Z-I Non-Glare Rear View Mirror, Parking Brake Lamp, Electric Clock, Umbrella Holder, Leather Utility Pocket, DeLuxe Steering Wheel, Polaroid Visor, No-Mar Gas Filler Trim, Fuel Door Lock, Scuff Pads, Multi-Purpose Lamp, Underhood Trouble Light, Jack Bag, Tool Kit, Wheel Trim Rings, Exhaust Deflector, Seat Covers, High Compression Cylinder Head (7.5:1), No-Rol Device, Hydra-Matic Transmission.
1951 Pontiac Historical Data:
Introduction of the 1951 Pontiac line was on December 11, 1950.
Total 1951 Pontiac Production was 370,159
6 Cylinder Models:
With Hydra-Matic: 10,195
With Standard Transmission: 43,553
Total: 53,748
8 Cylinder Models
With Hydra-Matic: 251,987
With Standard Transmission: 64,424
Total: 316,411
.
1951 Pontiac Colors & Codes:
Code Color
100 Black
101 St. Clair Blue
103 Victoria Maroon
104 Yorkshire Gray
105 Malibu Ivory
106 Tripoli Red
107 Palmetto Green
108 Starmist Blue
109 Surf Gray
110 Berkshire Green
111 Saturn Gold
112 Sapphire
123 Berkshire Green
124 Lido Beige
? Saturn Gold
125A Imperial Maroon
125B Sand Gray
5126 Berkshire Green
Promotional Model Cars Available:
Plastic: 4 Door Sedan
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