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Lincoln Modular (1993–2002) specs: 281 ci (4.6L) 8-cylinder, 3.551 x 3.543 in (90.2 x 90 mm) bore and stroke. Rated 260-290 hp, 1993–2002.
The Lincoln Modular (1993–2002) is close to square: 3.5512" bore against 3.5433" stroke, within 0.2%, which splits the difference between a high-revving layout and a torque layout. The 3.5433" stroke puts mean piston speed at 4,000 ft/min around 6,750 RPM, which is where a production bottom end is generally considered at its limit. A rod ratio of 1.674 is in the range most production engines fall in. Each of the 8 cylinders displaces 35.1 ci (576 cc).
It is one of 15 engines in the Modular family, the smallest at 281 ci. 18 factory variants share these dimensions, rated from 260 to 290 hp across 1993–2002.
| Displacement | 281 ci / 4.6 L |
|---|---|
| Bore | 3.5512" |
| Stroke | 3.5433" |
| Cylinders | 8 |
| Configuration | V8 |
| Compression ratio | 9.8–9.85:1 (published figures vary) |
| Rod length | 5.933" |
| Rod ratio | 1.674 |
| Bore/stroke ratio | 1.002 |
| Block material | cast iron |
|---|---|
| Head material | aluminum |
| Valvetrain | SOHC |
| Fuel type | gas |
| Firing order | 1-3-7-2-6-5-4-8 |
| Advertised HP | 260–290 hp |
| Years | 1993–2002 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 1993 | 4.6L DOHC net | 280 @ 5500 | 285 lb-ft @ 4500 | — |
| 1994 | net | 280 @ 5500 | 285 lb-ft @ 4500 | 9.8:1 |
| 1995 | 4.6L DOHC net | 260 @ 5750 | 265 lb-ft @ 4750 | — |
| 1995 | 4.6L DOHC net | 280 @ 5500 | 285 lb-ft @ 4500 | — |
| 1996 | 4.6L DOHC net | 260 @ 5750 | 265 lb-ft @ 4750 | — |
| 1996 | net | 280 @ 5500 * | 285 lb-ft @ 4500 * | 9.8:1 * |
| 1996 | net | 290 * | — | — |
| 1997 | net | 260 @ 5750 * | 265 lb-ft @ 4750 * | — |
| 1997 | net | 290 * | — | — |
| 1998 | net | 280 @ 5750 * | 285 lb-ft @ 4500 * | 9.85:1 * |
| 1998 | net | 290 @ 5750 * | 290 lb-ft @ 4500 * | 9.85:1 * |
| 1999 | 4.6L DOHC InTech net | 275 @ 5750 | 275 lb-ft @ 4750 | — |
| 2000 | 4.6L DOHC InTech net | 275 @ 5750 | 275 lb-ft @ 4750 | — |
| 2001 | 4.6L DOHC InTech net | 275 @ 5750 | 275 lb-ft @ 4750 | — |
| 2002 | 4.6L DOHC InTech net | 275 @ 5750 | 275 lb-ft @ 4750 | — |
Factory specification sheet. * Not yet cross-verified.
| Bore/stroke character | 1.002 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,543 ft/min — in the range typical of performance street engines |
| Rod ratio | 1.674 — moderate — the range most production V8s fall in |
| Displacement per cylinder | 35.1 ci |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 1993 | 280 hp | — |
| 1994 | 280 hp | — |
| 1995 | 260 hp | — |
| 1995 | 280 hp | — |
| 1995 | 290 hp | — |
| 1996 | 260 hp | — |
| 1996 | 280 hp | — |
| 1996 | 290 hp | — |
| 1997 | 260 hp | — |
| 1997 | 280 hp | — |
| 1997 | 290 hp | — |
| 1998 | 260 hp | — |
| 1998 | 280 hp | — |
| 1998 | 290 hp | — |
| 1999 | 275 hp | — |
| 2000 | 275 hp | — |
| 2001 | 275 hp | — |
| 2002 | 275 hp | — |
2 factory vehicles, 1993–2002. Each year opens that model's engine table.