1974 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 Grand AM, Series 2AH, 8 Cylinder
Pontiac Ventura, Series 2XY, 6 & 8 Cylinder
Pontiac Ventura GTO Option, Series XY, 8 Cylinder
Pontiac Ventura Custom, Series 2XZ, 6 & 8 Cylinder
Pontiac LeMans, 6 Cylinder, Body Styles:
4 Door Hardtop, 6 Passenger, Body Style #2D29
Base Price: $3,236; Shipping Weight: 3,628 Pounds
Total Production: 17,266*
2 Door Hardtop, 6 Passenger, Body Style #2D37
Base Price: $3,216; Shipping Weight: 3,552 Pounds
Total Production: 37,061*
* Includes 8 Cylinder Production.
Pontiac LeMans, 8 Cylinder, Body Styles:
4 Door Hardtop, 6 Passenger, Body Style #2D29
Base Price: $3,361; Shipping Weight: 3,844 Pounds
Total Production: *
2 Door Hardtop, 6 Passenger, Body Style #2D37
Base Price: $3,341; Shipping Weight: 3,768 Pounds
Total Production: *
4 Door Station Wagon, 6 Passenger, Body Style # 2D35
Base Price: $4,052; Shipping Weight: 4,333 Pounds
Total Production: 3,004
4 Door Station Wagon, 9 Passenger, Body Style # 2D45
Base Price: $4,186; Shipping Weight: 4,371 Pounds
Total Production: 4,371
* Included with 6 Cylinder Production.
Total Base LeMans Production: 62,074
Pontiac LeMans Sport, 6 Cylinder, Body Styles:
2 Door Hardtop, 6 Passenger, Body Style # 2F37
Base Price: $3,300; Shipping Weight: 3,580 Pounds
Total Production: 37,955*
* Includes 8 Cylinder Production.
Pontiac LeMans Sport, 8 Cylinder, Body Styles:
2 Door Hardtop, 6 Passenger, Body Style # 2F37
Base Price: $3,425; Shipping Weight: 3,796 Pounds
Total Production: *
* Included with 6 Cylinder Production.
Total Lemans Sport Production: 37,955
Pontiac Luxury Lemans, 8 Cylinder, Body Styles:
4 Door Hardtop, 6 Passenger, Body Style # 2G27
Base Price: $3,759; Shipping Weight: 3,904 Pounds
Total Production: 4,513
2 Door Hardtop, 6 Passenger, Body Style # 2G37
Base Price: $3,703; Shipping Weight: 3,808 Pounds
Total Production: 25,882
4 Door Station Wagon, 6 Passenger, Body Style # 2G35
Base Price: $4,326; Shipping Weight: 4,363 Pounds
Total Production: 952
4 Door Station Wagon, 9 Passenger, Body Style # 2G45
Base Price: $4,459; Shipping Weight: 4,401 Pounds
Total Production: 1,178
Total LuxuryLemans Production: 32,525
Pontiac Grand AM, 8 Cylinder, Body Styles:
2 Door Hardtop, 5 Passenger, Body Style # 2AH37
Base Price: $4,534; Shipping Weight: 3,992 Pounds
Total Production: 13,961
4 Door Hardtop, 6 Passenger, Body Style # 2AH29
Base Price: $4,623; Shipping Weight: 4,073 Pounds
Total Production: 3,122
Total Grand AM Production: 17,083
Pontiac Ventura, 6 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2XY27
Base Price: $2,892; Shipping Weight: 3,184 Pounds
Total Production: 47,782*
4 Door Sedan, 5 Passenger, Body Style # 2XY69
Base Price: $2,921; Shipping Weight: 3,169 Pounds
Total Production: 17,323*
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2Y17
Base Price: $3,018; Shipping Weight: 3,257 Pounds
Total Production: 16,694 *
* Includes 8 Cylinder Production.
Pontiac Ventura, 8 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2XY27
Base Price: $3,017; Shipping Weight: 3,376 Pounds
Total Production: *
4 Door Sedan, 5 Passenger, Body Style # 2XY69
Base Price: $3,046; Shipping Weight: 3,398 Pounds
Total Production: *
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2XY17
Base Price: $3,134; Shipping Weight: 3,486 Pounds
Total Production: *
* Included with 6 Cylinder Production.
Pontiac Ventura with GTO Option, 8 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2XY27
Base Price: $3,212; Shipping Weight: 3,400 Pounds
Total Production: 7,058++
++Included with Ventura Coupe Production.
Pontiac Ventura Custom, 6 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2XZ27
Base Price: $3,051; Shipping Weight: 3,184 Pounds
Total Production: **
4 Door Sedan, 5 Passenger, Body Style # 2XZ69
Base Price: $3,080; Shipping Weight: 3,208 Pounds
Total Production: **
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2XZ17
Base Price: $3,176; Shipping Weight: 3,362 Pounds
Total Production: **
** Included with Base Ventura Production:
Pontiac Ventura Custom, 8 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2XZ27
Base Price: $3,176; Shipping Weight: 3,413 Pounds
Total Production: **
4 Door Sedan, 5 Passenger, Body Style # 2XZ69
Base Price: $3,205; Shipping Weight: 3,398 Pounds
Total Production: **
2 Door Hatchback Coupe, 5 Passenger, Body Style # 2XZ17
Base Price: $3,301; Shipping Weight: 3,491 Pounds
Total Production: **
** Included with Base Ventura Production:
Pontiac Ventura Custom with GTO Option, 8 Cylinder, Body Styles:
2 Door Coupe, 5 Passenger, Body Style # 2XY27
Base Price: $3,371; Shipping Weight: 3,437 Pounds
Total Production: ***++
***Included with Base Ventura Coupe GTO Production.
++Included with Ventura Coupe Production.
Total Ventura Production: 81,799
Chassis:
Wheelbase:
Lemans & Grand Am 2 Door: 112"
Lemans & Grand AM 4 Door: 116"
Ventura II: 111"
Tire Size:
Base Lemans: F78 X 14"
Lemans Sport: F78 X 14"
Luxury Lemans: Not Available
Grand AM: GR70 X 15"
Ventura: E78 X 14"
Engine Availability:
Engine Horsepower Model Availability
I-6 250 Cubic Inch 100 H.P. Standard on LeMans & Ventura
V-8 350 Cubic Inch 155 H.P. Standard on Ventura V-8, & LeMans V-8.
V-8 350 Cubic Inch 170 H.P. Optional on LeMans
V-8 350 Cubic Inch 200 H.P. Optional on LeMans
V-8 400 Cubic Inch 175 H.P. Standard on Grand AM.
V-8 400 Cubic Inch 190 H.P. Optional on Grand AM.
V-8 400 Cubic Inch 225 H.P. Standard on Grand AM.
V-8 455 Cubic Inch 215 H.P. Optional on Grand AM
V-8 455 Cubic Inch 250 H.P. Optional on Grand AM
General Engine Specifications:
See 1974 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: 850 RPM with A/C "Off"
Automatic Transmission: 600 RPM in Drive, with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 350 Cubic Inch Engine, with 2 Barrel Carburetor:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap:
New Points: .019"
Used Points: .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: 900 RPM with A/C "Off"
Automatic Transmission: 650 RPM with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 350 Cubic Inch Engine, 2 Barrel Carburetor with Dual Exhaust:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap:
New Points: .019"
Used Points: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 10 Degrees BTDC
Engine Idle Speed:
Automatic Transmission: 625 RPM in Drive, with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 350 Cubic Inch Engine, with 4 Barrel Carburetor:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap:
New Points: .019"
Used Points: .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 with A/C "Off"
Automatic Transmission: 650 RPM with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 350 Cubic Inch Engine, 4 Barrel Carburetor with Dual Exhaust:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap:
New Points: .019"
Used Points: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 10 Degrees BTDC
Engine Idle Speed:
Automatic Transmission: 625 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:
New Points: .019"
Used Points: .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:
Automatic Transmission: 650 RPM in Drive
Idle CO %: 0.2
8 Cylinder, 400 Cubic Inch Engines with 2 Barrel Carburetor & Dual Exhaust:
Spark Plug Type: AC R46TS
Spark Plug: Gap .040"
Point Gap:
New Points: .019"
Used Points: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 10 Degrees BTDC
Engine Idle Speed:
Automatic Transmission: 625 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:
New Points: .019"
Used Points: .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 with A/C "Off"
Automatic Transmission: 650 RPM in Drive with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 400 Cubic Inch Engines with 4 Barrel Carburetor & Dual Exhaust:
Spark Plug Type: AC R45TS
Spark Plug: Gap .040"
Point Gap:
New Points: .019"
Used Points: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 10 Degrees BTDC
Engine Idle Speed:
Automatic Transmission: 625 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:
New Points: .019"
Used Points: .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: 625 RPM in Drive with A/C "Off"
Idle CO %: 0.2
8 Cylinder, 455 Cubic Inch Engine, with Dual Exhaust:
Spark Plug Type: AC R45TS
Spark Plug: Gap .040"
Point Gap:
New Points: .019"
Used Points: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 10 Degrees BTDC
Engine Idle Speed:
Automatic Transmission: 625 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:
New Points: .019"
Used Points: .016"
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 12 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 1,000 RPM with AC "Off"
Automatic Transmission: 750 RPM in Drive with A/C "Off"
Idle CO %: 0.2
Valve Specifications:
See 1974 Pontiac Engines & Engine Accessories:
Pistons, Rings, Wrist Pin, Crankshaft, & Bearing Data:
See 1974 Pontiac Engines & Engine Accessories:
Engine Tightening Specifications:
See 1974 Pontiac Engines & Engine Accessories:
Capacities:
6 Cylinder, Ventura:
Cooling System:
With Heater: 13.1 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: 4-1/2 Quarts
Complete Refill: 11 Quarts
Rear Axle: 3-3/4 Pints
* With New Oil Filter
8 Cylinder, Ventura:
Cooling System:
With Heater: 20 Quarts
With Air Conditioning: 20 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: 6 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Four Speed: 2-1/2 Pints
Automatic Transmission:
Pan Only: 4-1/2 Quarts
Complete Refill: 11 Quarts
Rear Axle: 3-3/4 Pints
* With New Oil Filter
6 Cylinder, LeMans:
Cooling System:
With Heater: 14.7 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: 4-1/2 Quarts
Complete Refill: 11 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: 21.3 Quarts
With Air Conditioning: 23.6 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: 2-1/2 Pints
Four Speed: 3-1/2 Pints
Automatic Transmission:
Pan Only: 4-1/2 Quarts
Complete Refill: 11 Quarts
Rear Axle: 3 Pints (With "C" Type Ring Gear: 4.9 Pints)
* With New Oil Filter
8 Cylinder, Grand AM & LeMans, 400 Cubic Inch Engine:
Cooling System:
With Heater: 21.3 Quarts
With Air Conditioning: 22.8 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:
Four Speed: 2-1/2 Pints
Automatic Transmission:
Pan Only: 4-1/2 Quarts
Complete Refill: 11 Quarts
Rear Axle: 3 Pints (With "C" Type Ring Gear: 4.9 Pints)
* With New Oil Filter
8 Cylinder, Grand AM & LeMans, 455 Cubic Inch Engine:
Cooling System:
With Heater: 21.1 Quarts
With Air Conditioning: 21.6 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*
Automatic Transmission:
Pan Only: 4-1/2 Quarts
Complete Refill: 11 Quarts
Rear Axle: 3 Pints (With "C" Type Ring Gear: 4.9 Pints)
* With New Oil Filter
Delco-Remy Distributor Specifications:
See 1974 Pontiac Engines & Engine Accessories:
Delco-Remy Alternator & Regulator Specifications:
See 1974 Pontiac Engines & Engine Accessories:
Delco-Remy Starting Motor Specifications:
See 1974 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: 24-32 Inch Lbs
Used Bearings: 8-12 Inch Lbs.
Differential Bearing Preload:
Method: Shims
Adjustment: Slip fit plus .008" Tight
Brake Specifications:
Brake Drum Diameter:
Passenger Cars: 9-1/2"
Station Wagons: 11"
Wheel Cylinder Bore:
Disc Brakes: 2-15/16"
Front: 1-1/8"
Rear:
Passenger Cars: 1-1/8"
Station Wagons: 15/16"
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 1974 Pontiac Engines & Engine Accessories:
Popular Options:
LeMans:
Air Conditioning; Heater & Defroster; 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; GTO Option Package; Various Trim & Paint Options; Various Engine & Transmission Options, and much more.
1974 Pontiac Historical Data:
Introduction date for the 1974 Pontiac line was on September 20, 1973.
Total 1974 Pontiac Production was 580,748, including 231,436 LeMans, Grand AMs & Venturas plus GTO Option Package .
1974 Pontiac Colors & Codes:
Code Color
11 Cameo White
19 Starlight Black
24 Porcelain Blue
26 Regatta Blue
29 Admiralty Blue
36 Gulfmist Aqua
40 Fernmist Green
44 Lakemist Green
46 Limefire Green
49 Pinemist Green
50 Carmel Beige
51 Sunstorm Yellow
53 Denver Gold
55 Colonial Gold
59 Crestwood Brown
64 Ascot Silver
66 Fire Coral Bronze
69 Shadowmist Brown
74 Honduras Maroon
75 Buccaneer Red
Promotional Model Cars Available:
Plastic: Firebird 400 2 Door Hardtop
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