Pontiac Firebird Trans Am (1972) fixed-head coupé - technical specifications of 1972 Pontiac Firebird Trans Am

Pontiac Firebird Trans Am

(1972 model)

Brief specs of 1972 Pontiac Firebird Trans Am

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 7456 cm³ / 455.0 cu in / 455.0 cu in, 223.7 kW / 300.0 hp / 300.0 hp @ 4000 rpm / 4000 rpm / 4000 rpm, 563.0 N·m / 415.2 lb·ft / 415.2 lb·ft @ 3200 rpm / 3200 rpm / 3200 rpm, manual 4-speed transmission, rear wheel drive, 193 km/h / 120 mph / 120 mph top speed

Marque (make)	Pontiac	Issued from	1972
Model	Firebird Trans Am	Issued until
Serie	Firebird	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Pontiac	Country	US

Marque (make)

Pontiac

Issued from

1972

Model

Firebird Trans Am

Issued until

Serie

Firebird

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Pontiac

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	2+2
Bodywork designer		Cargo capacity (volume)
Passenger space (volume)		Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

2+2

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	4867 mm / 191.6 in / 191.6 in	Total (curb) weight	1676 kg / 3695 lb / 3695 lb
Width	1864 mm / 73.4 in / 73.4 in	Dry weight
Height	1280 mm / 50.4 in / 50.4 in	Load capacity
Wheelbase	2743 mm / 108.0 in / 108.0 in	Gross (max.) weight
Track front	1567 mm / 61.7 in / 61.7 in	Towing weight
Track rear	1534 mm / 60.4 in / 60.4 in	Weight distribution (front)
Ground clearance	117 mm / 4.6 in / 4.6 in	Fuel capacity	64 l / 14.1 UK gal / 16.9 US gal
Length/wheelbase ratio	1.77

Length

4867 mm / 191.6 in / 191.6 in

Total (curb) weight

1676 kg / 3695 lb / 3695 lb

Width

1864 mm / 73.4 in / 73.4 in

Dry weight

Height

1280 mm / 50.4 in / 50.4 in

Load capacity

Wheelbase

2743 mm / 108.0 in / 108.0 in

Gross (max.) weight

Track front

1567 mm / 61.7 in / 61.7 in

Towing weight

Track rear

1534 mm / 60.4 in / 60.4 in

Weight distribution (front)

Ground clearance

117 mm / 4.6 in / 4.6 in

Fuel capacity

64 l / 14.1 UK gal / 16.9 US gal

Length/wheelbase ratio

1.77

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	2.03 m² / 21.8 sq ft / 21.8 sq ft (est.)
Aerodynamic coefficient (Cd×A)		Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Drag coefficient (Cd, Cx, Cw)

Frontal area (A)

2.03 m² / 21.8 sq ft / 21.8 sq ft (est.)

Aerodynamic coefficient (Cd×A)

Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine Code		Total number of cylinders	8
Engine Type	V engine (V8)	Total number of valves	16
Engine Manufacturer	GM	Valves per cylinder	2
Engine construction	cast iron block & head	Bore	105.3 mm / 4.15 in / 4.15 in
Fuel	petrol (gasoline)	Stroke	106.9 mm / 4.21 in / 4.21 in
Fuel details		Bore/Stroke ratio	0.99
Fuel supply	1 Ro 7042273 carb	Engine displacement	7456 cm³ / 455.0 cu in / 455.0 cu in
Engine Main bearings	5	Unitary capacity	932.00 cm³/cylinder / 56.874 cu in/cylinder / 56.874 cu in/cylinder
Cam Design	OHV (overhead valve, I-head)	Compression ratio	8.4 : 1
Sump	wet	Max. output power	223.7 kW / 300.0 hp / 300.0 hp at 4000 rpm / 4000 rpm / 4000 rpm
Aspiration	natural	Max. torque	563.0 N·m / 415.2 lb·ft / 415.2 lb·ft at 3200 rpm / 3200 rpm / 3200 rpm
Compressor type	N/A	Maximum rpm	4700 rpm / 4700 rpm / 4700 rpm
Intercooler	no	Max. net output (power at the wheels)	89.5 kW / 120.0 hp / 120.0 hp (est.)
Coolant	water	Specific output	30.0 kW/l / 0.659 bhp/cu in / 0.659 bhp/cu in
Catalytic converter		Specific torque	75.5 N·m/l / 0.66 lb·ft/cu in / 0.66 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

V engine (V8)

Total number of valves

Engine Manufacturer

Valves per cylinder

Engine construction

cast iron block & head

Bore

105.3 mm / 4.15 in / 4.15 in

Fuel

petrol (gasoline)

Stroke

106.9 mm / 4.21 in / 4.21 in

Fuel details

Bore/Stroke ratio

0.99

Fuel supply

1 Ro 7042273 carb

Engine displacement

7456 cm³ / 455.0 cu in / 455.0 cu in

Engine Main bearings

Unitary capacity

932.00 cm³/cylinder / 56.874 cu in/cylinder / 56.874 cu in/cylinder

Cam Design

OHV (overhead valve, I-head)

Compression ratio

8.4 : 1

Sump

wet

Max. output power

223.7 kW / 300.0 hp / 300.0 hp at 4000 rpm / 4000 rpm / 4000 rpm

Aspiration

natural

Max. torque

563.0 N·m / 415.2 lb·ft / 415.2 lb·ft at 3200 rpm / 3200 rpm / 3200 rpm

Compressor type

N/A

Maximum rpm

4700 rpm / 4700 rpm / 4700 rpm

Intercooler

Max. net output (power at the wheels)

89.5 kW / 120.0 hp / 120.0 hp (est.)

Coolant

water

Specific output

30.0 kW/l / 0.659 bhp/cu in / 0.659 bhp/cu in

Catalytic converter

Specific torque

75.5 N·m/l / 0.66 lb·ft/cu in / 0.66 lb·ft/cu in

Transmission type	manual	Number of gears	4
Wheel drive	rear wheel drive	Top gear (drive) ratio	1
		Final gear (drive) ratio	3.42

Transmission type

manual

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

Final gear (drive) ratio

3.42

Acceleration 0-50 mph (80 km/h)	Top (maximal) speed	193 km/h / 120 mph / 120 mph
Acceleration 0-60 mph (97 km/h)	Power-to-weight ratio	179.0 kW/ton / 135.6 bhp/ton / 135.6 bhp/ton
Acceleration 0-100 km/h	Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)	Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in top	Fuel consumption, Mixed (combined)
Standing ¼mile time	Fuel consumption, Euro
Standing kilometer time	CO₂ emissions
	Range

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

193 km/h / 120 mph / 120 mph

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

179.0 kW/ton / 135.6 bhp/ton / 135.6 bhp/ton

Acceleration 0-100 km/h

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel consumption, Mixed (combined)

Standing ¼mile time

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	front	Engine alignment	longitudinal
Steering	recirculating ball	Steering details
Turns lock-to-lock	4.6	Turning circle	12.1 m / 39.7 ft / 39.7 ft
Suspension front	Independent, Wishbone (A-arm, control arm), Lower trailing link, Coil springs, Anti-roll (anti-sway) bar (ARB)	Suspension rear	Radius arms, Semi-elliptic leaf springs, Anti-roll (anti-sway) bar (ARB)
Wheels front	7 x 15	Wheels rear	7 x 15
Tyres front	F60x15	Tyres rear	F60x15
Brakes front	disc	Brakes rear	drum
Brake diameter front	278 mm / 10.9 in / 10.9 in	Brake diameter rear
Brakes details		Braked area

Engine location

front

Engine alignment

longitudinal

Steering

recirculating ball

Steering details

Turns lock-to-lock

4.6

Turning circle

12.1 m / 39.7 ft / 39.7 ft

Suspension front

Independent, Wishbone (A-arm, control arm), Lower trailing link, Coil springs, Anti-roll (anti-sway) bar (ARB)

Suspension rear

Radius arms, Semi-elliptic leaf springs, Anti-roll (anti-sway) bar (ARB)

Wheels front

7 x 15

Wheels rear

7 x 15

Tyres front

F60x15

Tyres rear

F60x15

Brakes front

disc

Brakes rear

drum

Brake diameter front

278 mm / 10.9 in / 10.9 in

Brake diameter rear

Brakes details

Braked area

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