1971-1973 Triumph Stag Specifications

The Triumph Stag of the 1970s was never known as a speed demon (or a particularly graceful performer, for that matter). However, it did have adequate power and mechanicals, for its level of the market. Here are selected 1971-1973 Triumph Stag specifications.

1972 Triumph Stag V-8
As modified for the United States, the Stag's
V-8 put out 127 horsepower.

General

Wheelbase (in.) 100.0
Overall length (in.) 173.8
Overall height (in.) 49.5
Overall width (in.) 73.5
Curb weight (lbs) 2,795
Tread, front/rear (in.) 52.5/52.9
Fuel tank (gal) 16.8
Construction layout front-engine, rear drive
Type unitized body with fixed midbody T-bar
Body material steel

Powertrain
Engine type 90-degree ohc V-8
Material cast-iron block, aluminum heads
Bore and stroke (in./mm) 3.39/86x2.54/64.5
Displacement (cu. in./cc) 182.9/2,997
Horsepower (SAE/DIN) 127/145
Torque (lb-ft, SAE/DIN) 142/170
Compression ratio 8.8:1
Main bearings 5
Carburetors twin 1-barrel Stromberg
Standard transmission 4-speed manual with overdrive*, floor-mounted shifter
Optional transmission Borg-Warner 3-speed automatic with torque converter, floor-mounted shifter
Final-drive ratio 3.70:1

* Overdrive optional prior to October 1972.

Suspension

front independent with MacPherson struts, antiroll bar, coil springs, tubular shock absorbers
Rear independent with semitrailing arms, coil springs, tubular shock absorbers

Steering and Brakes
Steering type rack and pinion with power-assist
Turns, lock-to-lock 4
Turning circle (ft) 33
Brake type 4-wheel hydraulic front disc/rear drum
Brake diameter, front/rear (in.) 10.6/9.0
Total swept area (sq in.) 347

Tires and Wheels
Wheel size (in.) 5.5x14
Tire size 185HR14

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