Specifications, Part & Services, Museums & Clubs for Antique, Classic, Vintage and Muscle Cars

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1973 Pontiac Ventura Custom Series 2XZ
Coupe
Standard Specifications
  Show Summary  
Original Base Price $2,581.00
No. Produced 49,153
Body Maker Fisher
No. Doors 2
Passengers
Model Number Z27X
Weight 3,097lbs
Wheelbase 111 inches
Length 197.5 inches
Width 72.4 inches
Height 53.9 inches
Front Tread 59.9 inches
Rear Tread 59.6 inches
Type Inline 6, OHV
Displacement 250 cu. in.
Cylinders 6
Bore & Stroke 3.875 & 3.53 inches
Compression Ratio-Std 8.25 to 1
Compression Ratio-Opt
Brake Horsepower 100@3600
Rated Horsepower 36
Torque 175@1600
Main Bearings
Valve Lifters Hydraulic
Block Material
Engine Numbers
Engine No. Location On distributor mounting pad on right side of block.
Lubrication Pressure to all bearings excluding wrist pin
Type Single downdraft
Make Rochester
Type Fully synchronous 3-speed manual
Drive Rear wheel drive
No. Of Gears 3
Gear Ratios
1st 2.85 to 1
2nd 1.68
3rd 1 to 1
4th Not applicable
5th Not applicable
Reverse 2.95
Single plate dry disc
Clutch Size 9.12 inches
Semifloating
Hypoid
Differential Ratio 3.08 to 1
Front Independent ball joint with coil springs
Rear Coil link
Recirculating ball
Service Hydraulic, self-adjusting drums
Front Size 9.5 inches
Rear Size 9.5 inches
Emergency Rear service brakes
Size 9.5 inches
Exhaust System Single
Ignition System Distributor and coil
Battery 12 volt storage battery
Cooling System Water pump
Radiator Cross flow
Fuel Type Unleaded
Mileage
Wheel Type
Wheel Mfr
Wheel Size
Tire Type
Tire Size E78 x 14
Spare Location Trunk
Fuel 21.5 Gallons
Oil 4 Quarts
Transmission 3.5 Pints
Cooling System 12.1 Quarts
Rear Differential 3.75 Pints
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. Starting 2Z27D3a100001
VIN Description Total Digits: 13
Digits 1: Make
Digits 2: Series
Digits 3-4: Body style
Digits 5: Engine
Digits 6: Model year
Digits 7: Assembly plant
Digits 8-13: Production number
VIN Location On plate on top of left side of dashboard, visible through windshield.
General VIN Decoder

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Additional Information
No. produced includes Ventura & Ventura Custom Series.

1973 Press InformationDetroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
1973 Pontiac Service ManualLos Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
Standard Catalog of American Cars 1946-1975 Krause Pub.Los Angeles Public Library
Serial No. Book for US Cars 1900-1975 G. BrighamHorseless Carriage Foundation
8186 Center St. Suite F P.O. Box 4119
La Mesa CA 91944-4119
(619) 464-0301
www.hcfi.org
1973 Pontiac Fleet Buyers GuideHorseless Carriage Foundation
Automotive Industries April 1 1973Detroit Public Library (Nat'l Auto. Hist. Collctn)
Ward's Automotive Yearbook for 1973Detroit Public Library (Nat'l Auto. Hist. Collctn)
Motor Age April 1973Detroit Public Library (Nat'l Auto. Hist. Collctn)
Paint Type
Colors Starlight Black
Cameo White
Brewster Green Metallic
Porcelain Blue Metallic
Regatta Blue Metallic
Admiralty Blue Metallic
Verdant Green Metallic
Slate Green Metallic
Golden Olive Metallic
Sunlight Yellow
Desert Sand
Valencia Gold Metallic
Ascot Silver Metallic
Briar Gray Metallic
Burma Brown Metallic
Florentine Red Metallic
Buccaneer Red
Mesa Tan
Navajo Orange Metallic
Buccaneer Red
All colors may not be available in all models.
Standard/Optional Equipment
350 cu. in. V8 engineOpt
Power windowsOpt
Air conditioningOpt
Power brakesOpt
Power steeringOpt
RadioOpt
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