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Acura B18A1 specs: 1.8L (112 ci) 4-cylinder. Rated 130-140 hp, 1990–1993. Used in the Acura Integra. Rod ratio and piston speed worked out.
Each of the 4 cylinders displaces 28.0 ci (459 cc).
It is one of 2 engines in the Acura 112ci family, all of them 112 ci — the differences between them are in compression, heads and rating, not displacement. 4 factory variants share these dimensions, rated from 130 to 140 hp across 1990–1993.
| Displacement | 112 ci / 1.8 L |
|---|---|
| Cylinders | 4 |
| Configuration | I4 |
| Fuel type | gas |
|---|---|
| Advertised HP | 130–140 hp |
| Years | 1990–1993 |
| Displacement per cylinder | 28.0 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 |
|---|---|---|
| 1990 | 130 hp | B18A1 |
| 1991 | 130 hp | B18A1 |
| 1992 | 140 hp | B18A1 |
| 1993 | 140 hp | B18A1 |