| Engine Specifications |
| Engine type |
4.6L 2-valve V8 |
4.6L 3-valve V8 |
5.4L 3-valve V8 |
| Engine electronics |
Electronic ignition system, EEC-V computer |
Electronic ignition system, EEC-V computer |
Electronic ignition system, EEC-V computer |
| Displacement (cu. in.) |
281 CID |
281 CID |
330 CID |
| Horsepower (SAE net@rpm) |
248@4,750 |
292@5,700 |
310@5,000-gas / 320@5,000-E85 |
| Torque (lb.-ft. @rpm) |
294@4000 |
320@4000 |
365@3,500-gas / 390@3,500-E85 |
| Compression ratio |
9.4:1 |
9.8:1 |
9.8:1 |
| Bore x stroke (in.) |
3.55x3.54 |
3.55x3.55 |
3.55x4.17 |
| Main bearings |
5 |
5 |
5 |
| Valve lifters |
Hydraulic, roller finger |
Hydraulic, roller finger |
Hydraulic, roller finger |
| Fuel delivery |
Sequential multi-port electronic injection |
Sequential multi-port electronic injection |
Sequential multi-port electronic injection |
| Recommended fuel |
Unleaded regular |
Unleaded regular |
Unleaded regular/E85 |
| Fuel Economy |
4x2 14 City/19 HWY 4x4 14 City/18 HWY |
4x2 15 City/20 HWY 4x4 14 City/19 HWY |
4x2 14 City/20 HWY 4x4 14 City/18 HWY |
| Exhaust |
Stainless steel |
Stainless steel |
Stainless steel |
| Transmission type |
Electronic 4-speed automatic overdrive |
Electronic 6-speed automatic with overdrive |
Electronic 6-speed automatic with overdrive |
| Engine block material |
Cast iron |
Cast iron |
Cast iron |
| Cylinder head material |
Aluminum |
Aluminum |
Aluminum |