Ford Mustang I 7.0 Boss 429 V8 (SAE gross) Coupe
280 kW381 PS375 hp610 Nm1969–1970
Read the full story of the Ford Mustang I
Updated Report an error
- Power
- 280 kW 381 PS · 375 hp
- Torque
- 610 Nm 450 lb-ft
- Displacement
- 7,000 cm³
Under the bonnet of the Ford Mustang I 7.0 Boss 429 V8 (SAE gross) coupe sits a 7.0-litre eight-cylinder petrol engine, good for 280 kW (381 PS) and 610 Nm of torque. In the Mustang I 7.0 Boss 429 V8 (SAE gross), power goes to the rear wheels.
In a Mustang I line-up of 6 versions, the Mustang I 7.0 Boss 429 V8 (SAE gross) tops the power chart, 215% above the entry 3.3 200 I6 (SAE gross) (89 kW). The Mustang I 7.0 Boss 429 V8 (SAE gross) is also the strongest on torque (610 Nm).
What the figures favour in the Mustang I 7.0 Boss 429 V8 (SAE gross)
- Most powerful version of the Mustang I: 280 kW (381 PS)
- Most torque in the range: 610 Nm
Dimensions drawing
To scale · width without mirrors
Zoom in to read the measurements — or see the table below.
grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 7,000 cm³ 7.0 l · 427 cu in |
| Cylinders | 8 |
| Power | 280 kW 381 PS · 375 hp |
| Torque | 610 Nm 450 lb-ft |
| Drive | Rear-wheel drive |
Production
| Body type | Coupe |
|---|---|
| Years | 1969–1970 |
| Generation | Mustang I (1964–1973) |
Compare size All Mustang I versions All Ford spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 8 of 25 fields · 1 source · data changed 12 Oct 2026