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Ford 5.4L SOHC 2-valve Triton specs: 330 ci (5.4L) 8-cylinder, 3.551 x 4.165 in (90.2 x 105.8 mm) bore and stroke. Built 1999. Used in the Ford Super Duty.
The Ford 5.4L SOHC 2-valve Triton is undersquare — the 4.1654" stroke exceeds the 3.5512" bore by 14.7% — a layout that trades peak RPM for leverage and torque low in the range. The 4.1654" stroke puts mean piston speed at 4,000 ft/min around 5,750 RPM, which is where a production bottom end is generally considered at its limit. Each of the 8 cylinders displaces 41.3 ci (676 cc).
It is one of 16 engines in the Modular family, sitting between the 281 ci and 415 ci members.
| Displacement | 330 ci / 5.4 L |
|---|---|
| Bore | 3.5512" |
| Stroke | 4.1654" |
| Cylinders | 8 |
| Configuration | V8 |
| Bore/stroke ratio | 0.853 |
| Block material | cast iron |
|---|---|
| Head material | aluminum |
| Valvetrain | SOHC |
| Fuel type | gas |
| Years | 1999 |
| Bore/stroke character | 0.853 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 4,165 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 41.3 ci |
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