1971-1974 AMC Javelin AMX 401 Specs
The 1971-1974 AMC Javelin AMX 401 was the second-generation of AMC's hot ponycar. Get specifications for the 1971-1974 AMC Javelin AMX 401 here:
![]() Javelin AMX styling changed little through ’74, as evident on this 1974 AMC Javelin AMX. |
| Engine Type | V-8/AMC | V-8/AMC |
| Displacement (cid) | 360 | 401 |
| Horsepower @ rpm: | 385 @ 4800 (245 @ 4800 2v) | 330 @ 5000 |
| Torque (pounds/feet) @ rpm | 390 @ 3200 (365 @ 3200 2v) | 430 @ 3400 |
| Compression Ratio | 8.5:1 | 9.5:1 |
| Bore (inches) | 4.08 | 4.17 |
| Stroke (inches) | 3.44 | 3.68 |
| Valve Lifters | Hydraulic | Hydraulic |
| Availability | 1971 | 1971 |
| Engine Type | V-8/AMC | V-8/AMC |
| Displacement (cid) | 304 | 401 |
| Horsepower @ rpm: | 150 @ 4200 | 255 @ 4600 |
| Torque (pounds/feet) @ rpm | 245 @ 2500 | 345 @ 3300 |
| Compression Ratio | 8.4:1 | 8.5:1 |
| Bore (inches) | 3.75 | 4.17 |
| Stroke (inches) | 3.44 | 3.68 |
| Valve Lifters | Hydraulic | Hydraulic |
| Availability | 1972-74 | 1972-74 |
| Engine Type | V-8/AMC |
| Displacement (cid) | 360 |
| Horsepower @ rpm: | 220 @ 4400* (175 @ 4000 2V) |
| Torque (pounds/feet) @ rpm | 315 @ 3100** (285 @ 2400 2V) |
| Compression Ratio | 8.4:1 |
| Bore (inches) | 4.08 |
| Stroke (inches) | 3.44 |
| Valve Lifters | Hydraulic |
| Availability | 1972-74 |
*195 @ 4400 single exhaust
**295 @ 2900 single exhaust
Times*:
| 0-60 mph (sec) | N/A |
| 0-100 mph (sec) | N/A |
| 1/4-mile (sec) | 14.65 @ 92.97 mph |
| Top speed (mph) | N/A |
| Axle ratio | N/A |
| Engine type | 401/330 |
| Model year | 1971 |
*Source: Muscle Car Review (1987)
Times*:
| 0-60 mph (sec) | 7.7 |
| 0-100 mph (sec) | N/A |
| 1/4-mile (sec) | 15.5 @ 90 mph |
| Top speed (mph) | 115.53 |
| Axle ratio | 3.54:1 |
| Engine type | 401/255 |
| Model year | 1973 |
*Source: Motor Trend (1973)
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