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Ford Lima 2.3 1V specs: 140 ci (2.3L) 4-cylinder, 3.781 x 3.126 in (96 x 79.4 mm) bore and stroke. Built 1986. Used in the Ford LTD. SOHC.
The Ford Lima 2.3 1V is oversquare — the 3.781" bore exceeds the 3.126" stroke by 21.0% — a layout that favors airflow and RPM over leverage at the crank. The 3.126" stroke does not reach 4,000 ft/min of mean piston speed until about 7,700 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. A rod ratio of 1.665 is in the range most production engines fall in. Each of the 4 cylinders displaces 35.0 ci (574 cc).
It is one of 24 engines in the Ford 140ci family, all of them 140 ci — the differences between them are in compression, heads and rating, not displacement.
| Displacement | 140 ci / 2.3 L |
|---|---|
| Bore | 3.781" |
| Stroke | 3.126" |
| Cylinders | 4 |
| Configuration | I4 |
| Compression ratio | 9–9.5:1 (published figures vary) |
| Rod length | 5.205" |
| Rod ratio | 1.665 |
| Bore/stroke ratio | 1.21 |
| Block material | cast iron |
|---|---|
| Head material | cast iron |
| Valvetrain | SOHC |
| Fuel type | gas |
| Years | 1986 |
| Bore/stroke character | 1.210 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,126 ft/min — conservative for a street engine |
| Rod ratio | 1.665 — moderate — the range most production V8s fall in |
| Displacement per cylinder | 35.0 ci |
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1 factory vehicle, 1983–1986. Each year opens that model's engine table.