1973 PONTIAC LE MANS,
GTO, GRAND AM & VENTURA
Model Designations:
Pontiac Base LeMans, Series 2AD, 6 & 8 Cylinder
Pontiac LeMans Sport, Series 2AF, 6 & 8 Cylinder
Pontiac Luxury Lemans, Series 2AG, 8 Cylinder
Pontiac Lemans GTO Option, Series 2D, 8 Cylinder
Pontiac Grand AM, Series 2AH, 8 Cylinder
Pontiac Ventura, Series 2Y, 6 & 8 Cylinder
Pontiac Ventura Custom, Series 2Z, 6 & 8 Cylinder
Pontiac LeMans, 6 Cylinder, Body Styles:
4 Door Hardtop, 6 Passenger, Body Style #2D29
Base Price: $2,918; Shipping Weight: 3,605 Pounds
Total Production: 26,554*
2 Door Hardtop, 6 Passenger, Body Style #2D37
Base Price: $2,920; Shipping Weight: 3,579 Pounds
Total Production: 68,230*
4 Door Station Wagon, 6 Passenger, Body Style # 2D35
Base Price: $3,296; Shipping Weight: 3,956 Pounds
Total Production: 10,446*
4 Door Station Wagon, 9 Passenger, Body Style # 2D45
Base Price: $3,429; Shipping Weight: 3,993 Pounds
Total Production: 6,127*
* Includes 8 Cylinder Production.
Pontiac LeMans, 8 Cylinder, Body Styles:
4 Door Hardtop, 6 Passenger, Body Style #2D29
Base Price: $3,036; Shipping Weight: 3,821 Pounds
Total Production: *
2 Door Hardtop, 6 Passenger, Body Style #2D37
Base Price: $3,038; Shipping Weight: 3,795 Pounds
Total Production: *
4 Door Station Wagon, 6 Passenger, Body Style # 2D35
Base Price: $3,414; Shipping Weight: 4,172 Pounds
Total Production: *
4 Door Station Wagon, 9 Passenger, Body Style # 2D45
Base Price: $3,547; Shipping Weight: 4,209 Pounds
Total Production: 6,127*
* Included with 6 Cylinder Production.
Total Base LeMans Production: 111,357
Pontiac LeMans Sport, 6 Cylinder, Body Styles:
2 Door Hardtop, 5 Passenger, Body Style # 2F37
Base Price: $3,008; Shipping Weight: 3,594 Pounds
Total Production: 50,999*
* Includes 8 Cylinder Production.
Pontiac LeMans Sport, 8 Cylinder, Body Styles:
2 Door Hardtop, 5 Passenger, Body Style # 2F37
Base Price: $3,126; Shipping Weight: 3,810 Pounds
Total Production: *
* Included with 6 Cylinder Production.
Total Lemans Sport Production: 50,999
4,806 LeMans/LeMans Sport 2 Door Colonnade hardtops had the GRO Option Package.
Pontiac Luxury Lemans, 8 Cylinder, Body Styles:
2 Door Hardtop, 6 Passenger, Body Style # 2G37
Base Price: $3,274; Shipping Weight: 3,799 Pounds
Total Production: 33,916
4 Door Hardtop, 6 Passenger, Body Style # 2G29
Base Price: $3,344; Shipping Weight: 3,667 Pounds
Total Production: 9,377
Total LuxuryLemans Production: 43,293
Pontiac Grand AM, 8 Cylinder, Body Styles:
2 Door Hardtop, 6 Passenger, Body Style # 2H37
Base Price: $4,264; Shipping Weight: 3,992 Pounds
Total Production: 34,445
4 Door Hardtop, 6 Passenger, Body Style # 2H29
Base Price: $3,353; Shipping Weight: 4,018 Pounds
Total Production: 8,691
Total Grand AM Production: 43,136
Pontiac Ventura, 6 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2Y27
Base Price: $2,452; Shipping Weight: 3,064 Pounds
Total Production: 49,153*
4 Door Sedan, 5 Passenger, Body Style # 2Y69
Base Price: $2,481; Shipping Weight: 3,124 Pounds
Total Production: 21,012*
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2Y17
Base Price: $2,603; Shipping Weight: 3,170 Pounds
Total Production: 26,335*
* Includes 8 Cylinder Production.
Pontiac Ventura, 8 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2Y27
Base Price: $2,570; Shipping Weight: 3,276 Pounds
Total Production: *
4 Door Sedan, 5 Passenger, Body Style # 2Y69
Base Price: $2,599; Shipping Weight: 3,336 Pounds
Total Production: *
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2Y17
Base Price: $2,721; Shipping Weight: 3,382 Pounds
Total Production: *
* Included with 6 Cylinder Production.
Pontiac Ventura Custom, 6 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2Z27
Base Price: $2,609; Shipping Weight: 3,097 Pounds
Total Production: **
4 Door Sedan, 5 Passenger, Body Style # 2Z69
Base Price: $2,638; Shipping Weight: 3,157 Pounds
Total Production: **
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2Z17
Base Price: $2,877; Shipping Weight: 3,415 Pounds
Total Production: **
* Included with Base Ventura Production:
Pontiac Ventura Custom, 8 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2Y27
Base Price: $2,727; Shipping Weight: 3,309 Pounds
Total Production: **
4 Door Sedan, 5 Passenger, Body Style # 2Y69
Base Price: $2,576; Shipping Weight: 3,369 Pounds
Total Production: **
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2Y17
Base Price: $2,877; Shipping Weight: 3,415 Pounds
Total Production: **
* Included with Base Ventura Production:
Total Ventura Production: 96,500
Chassis:
Wheelbase:
Lemans & Grand Am 2 Door: 112"
Lemans & Grand AM 4 Door: 116"
Ventura II: 111"
Tire Size:
Base Lemans Sedans: Not Available
Base Lemans Station Wagons: Not Available
Lemans Sport: Not Available
GTO Option: Not Available
Grand AM: GR70 X 15"
Ventura: Not Available
Engine Availability:
Engine Horsepower Model Availability
I-6 250 Cubic Inch 100 H.P. Standard on LeMans & Ventura
V-8 350 Cubic Inch 150 H.P. Standard on Ventura V-8, & LeMans V-8.
V-8 350 Cubic Inch 175 H.P. Optional on Ventura, & LeMans
V-8 400 Cubic Inch 170 H.P. Standard on Grand AM. Optional on LeMans.
V-8 400 Cubic Inch 185 H.P. Optional on Grand AM & LeMans.
V-8 400 Cubic Inch 230 H.P. Standard on Grand AM. Optional on LeMans
V-8 455 Cubic Inch 250 H.P. Optional on LeMans.
General Engine Specifications:
See 1973 Pontiac Engines & Engine Accessories:
Tune Up Specifications:
6 Cylinder, 250 Cubic Inch Engine:
Spark Plug Type: AC R46T
Spark Plug Gap: .035"
Point Gap:
New Points: .019"
Used Points: .016"
Dwell Angle: 32-1/2 Degrees
Firing Order: 1-5-3-6-2-4
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 700 RPM; 450 RPM with A/C "Off"
Automatic Transmission: 600 RPM in Drive, with A/C "Off"
8 Cylinder, 350 Cubic Inch Engine, with Standard Transmission:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 10 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 900 RPM; 600 RPM with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 350 Cubic Inch Engine, with Automatic Transmission:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 12 Degrees BTDC
Engine Idle Speed:
Automatic Transmission: 650 RPM in Drive, with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 400 Cubic Inch Engines with 2 Barrel Carburetor:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 12 Degrees BTDC
Engine Idle Speed:
Automatic Transmission: 650 RPM in Drive
Idle CO %: 0.2
8 Cylinder, 400 Cubic Inch Engines with 4 Barrel Carburetor:
Spark Plug Type: AC R45TS
Spark Plug: Gap .040"
Point Gap: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing:
Standard Transmission: 10 Degrees BTDC
Automatic Transmission: 12 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 1,000 RPM; 600 RPM with A/C "Off"
Automatic Transmission: 650 RPM in Drive with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 455 Cubic Inch Engine:
Spark Plug Type: AC R45TS
Spark Plug: Gap .040"
Point Gap: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing:
Standard Transmission: 10 Degrees BTDC
Automatic Transmission: 12 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 1,000 RPM
Automatic Transmission: 650 RPM in Drive with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 455 Cubic Inch Super Duty Engine:
Spark Plug Type: AC R44TS
Spark Plug: Gap .040"
Point Gap: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing:
Standard Transmission: 10 Degrees BTDC
Automatic Transmission: 12 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 1,000 RPM; 600 RPM with A/C "Off"
Automatic Transmission: 750 RPM in Drive; 500 RPM in Drive with A/C "Off"
Idle CO %: 0.2
Valve Specifications:
See 1973 Pontiac Engines & Engine Accessories:
Pistons, Rings, Wrist Pin, Crankshaft, & Bearing Data:
See 1973 Pontiac Engines & Engine Accessories:
Engine Tightening Specifications:
See 1973 Pontiac Engines & Engine Accessories:
Capacities:
6 Cylinder, Ventura:
Cooling System:
With Heater: 12 Quarts
Radiator Pressure Cap:
With Air Conditioning: 14-17 PSI
Without Air Conditioning: 14-17 PSI
Thermostat Opening: 195 Degrees
Fuel Tank: 21-1/2 Gallons
Engine Oil Refill: 5 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Automatic Transmission:
Pan Only: 1-1/2 Quarts
Complete Refill: 9-1/2 Quarts
Rear Axle: 3-3/4 Pints
* With New Oil Filter
8 Cylinder, Ventura:
Cooling System:
With Heater: 19.5 Quarts
With Air Conditioning: 20.5 Quarts
Radiator Pressure Cap:
With Air Conditioning: 14-17 PSI
Without Air Conditioning: 14-17 PSI
Thermostat Opening: 195 Degrees
Fuel Tank: 21.5 Gallons
Engine Oil Refill: 5 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Four Speed: 3-1/2 Pints
Automatic Transmission:
Pan Only: 4 Quarts
Complete Refill: 10-1/2 Quarts
Rear Axle: 3-3/4 Pints
* With New Oil Filter
6 Cylinder, LeMans:
Cooling System:
With Heater: 12.4 Quarts
With Air Conditioning: 13.4 Quarts
Radiator Pressure Cap:
With Air Conditioning: 14-17 PSI
Without Air Conditioning: 14-17 PSI
Thermostat Opening: 195 Degrees
Fuel Tank: 22 Gallons
Engine Oil Refill: 5 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Automatic Transmission:
Pan Only: 4 Quarts
Complete Refill: 9-1/2 Quarts
Rear Axle: 3 Pints (With "C" Type: 4.9 Pints)
* With New Oil Filter
8 Cylinder, 350 Cubic Inch Engine, LeMans:
Cooling System:
With Heater: 20.2 Quarts
With Air Conditioning: 21.4 Quarts
Radiator Pressure Cap:
With Air Conditioning: 14-17 PSI
Without Air Conditioning: 14-17 PSI
Thermostat Opening: 195 Degrees
Fuel Tank: 22 Gallons
Engine Oil Refill: 6 Quarts*
Manual Transmission:
Three Speed:
Standard Unit: 3-1-2 Pints
Muncie Unit: 2-3/4 Pints
Four Speed: 3-1/2 Pints
Automatic Transmission:
Pan Only: 4 Quarts
Complete Refill: 10-1/2 Quarts
Rear Axle: 3 Pints (With "C" Type Ring Gear: 4.9 Pints)
* With New Oil Filter
8 Cylinder, GTO, Grand AM & LeMans, 400 Cubic Inch Engine:
Cooling System:
With Heater: 18.6 Quarts
With Air Conditioning: 19.8 Quarts
Radiator Pressure Cap:
With Air Conditioning: 14-17 PSI
Without Air Conditioning: 14-17 PSI
Thermostat Opening: 195 Degrees
Fuel Tank:
Passenger Cars: 22 Gallons
Station Wagons: 23 Gallons
Engine Oil Refill: 6 Quarts*
Manual Transmission:
Three Speed: 2-3/4 Pints
Four Speed: 2-1/2 Pints
Automatic Transmission:
Pan Only: 3-3/4 Quarts
Complete Refill: 6-1/2 Quarts
Rear Axle: 3 Pints (With "C" Type Ring Gear: 4.9 Pints)
* With New Oil Filter
8 Cylinder, GTO, Grand AM & LeMans, 455 Cubic Inch Engine:
Cooling System:
With Heater: 18.0 Quarts
With Air Conditioning: 19.0 Quarts
Radiator Pressure Cap:
With Air Conditioning: 14-17 PSI
Without Air Conditioning: 14-17 PSI
Thermostat Opening: 195 Degrees
Fuel Tank:
Except Grand AM: 22 Gallons
Grand AM: 25 Gallons
Engine Oil Refill: 6 Quarts*
Manual Transmission:
Four Speed: 2-1/2 Pints
Automatic Transmission:
Pan Only: 3-3/4 Quarts
Complete Refill: 6-1/2 Quarts
Rear Axle: 3 Pints (With "C" Type Ring Gear: 4.9 Pints)
* With New Oil Filter
Delco-Remy Distributor Specifications:
See 1973 Pontiac Engines & Engine Accessories:
Delco-Remy Alternator & Regulator Specifications:
See 1973 Pontiac Engines & Engine Accessories:
Delco-Remy Starting Motor Specifications:
See 1973 Pontiac Engines & Engine Accessories:
Rear Axle Specifications:
All Models:
Carrier Type: Integral
Ring Gear & Pinion Backlash:
Method: Shims
Adjustment: .005"-.009"
Pinion Bearing Preload:
Method: Tighten pinion shaft nut with inch-pound torque wrench.
Adjustment:
New Bearings: 20-25 Inch Lbs
Used Bearings: 10-15 Inch Lbs.
Differential Bearing Preload:
Method: Shims
Adjustment: Slip fit plus .008" Tight
Brake Specifications:
Brake Drum Diameter: 9-1/2"
Wheel Cylinder Bore:
Disc Brakes: 2-15/16"
Front: 1-1/8"
Rear: 7/8"
Master Cylinder Bore:
Disc Brakes: 1-1/8"
Drum Brakes: 1"
Power Brakes: 1"
Wheel Alignment Specifications:
All Models, except Ventura:
Caster:
Manual Steering: -1 Degrees
Power Steering: 0 Degrees
Camber:
Left: + 1 Degrees
Right: + 1/2 Degrees
Toe In: 0 to 1/8"
Ventura:
Caster: +1/2 Degrees
Camber:
Left: +1/4 Degrees
Right: +1/4 Degrees
Toe In: 1/8" to 1/4"
Carburetor Specifications:
See 1973 Pontiac Engines & Engine Accessories:
Popular Options:
LeMans & GTO:
Air Conditioning; Heater & Defroster; GTO Option Package; AM Radio; AM-FM Push Button Radio; 8 Track Stereo Tape Player; Rear Seat Speaker; Electric Antenna; Power Steering; Power Brakes; Electric Clock; Tinted Windshield; Padded Dash; Remote Control Side Mirror; LeMans Console Shift; Bucket Seats; Reclining Passenger Side Bucket Seat; Head Rests; Tilt Steering Wheel; Custom Sports Steering Wheel; Tachometer; Rally Gauge Cluster; Two Speed Wipers & Washer; Luggage Carrier for Wagons; Power Tailgate Window for Wagons; Custom Wheel Discs; Wire Wheel Discs; Rally Wheels; Back Up Lights; Bumper Guards; Cordova Top; Handling & Ride Package; Safe-T-Track; Various Trim Options; Various Engine & Transmission Options, and much more.
Ventura II:
Manual Air Conditioning; Custom Carpets; Front Seat Console; Rear Window Defogger; Left Remote Control Mirror; Front Disc Brakes; Wonder Touch Brakes; Power Steering; Custom Steering Wheel; Sun Roof; Rally II Wheels; Chrome Wheel Trim Rilngs; Custom Bucket Seat Group; Sprint Option Package; Radio Options; Various Trim & Paint Options; Various Engine & Transmission Options, and much more.
1973 Pontiac Historical Data:
Introduction date for the 1973 Pontiac line is not available.
Total 1973 Pontiac Production was 919,872, including 345,285 LeMans, GTOs, Grand AMs & Venturas.
1973 Pontiac Colors & Codes:
Code Color
11 Cameo White
19 Starlight Black
24 Porcelain Blue
26 Regatta Blue
29 Admiralty Blue
42 Verdant Green
44 Slate Green
46 Golden Olive
48 Brewster Green
51 Sunlight Yellow
56 Desert Tan
60 Valencia Gold
62 Spice Bronze
64 Ascot Silver
66 Burnished Amber
68 Burma Brown
74 Florentine Red
75 Buccaneer Red
81 Mesa Tan
97 Navajo Orange
Promotional Model Cars Available:
Plastic: Firebird 2 Door Hardtop Promotional Kit.
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