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Chrysler 2.2 Turbo I MPFI specs: 135 ci (2.2L) 4-cylinder, 3.44 x 3.62 in (87.4 x 91.9 mm) bore and stroke. Rated 146 hp, 1985–1987.
The Chrysler 2.2 Turbo I MPFI is close to square: 3.44" bore against 3.62" stroke, within 5.0%, which splits the difference between a high-revving layout and a torque layout. The 3.62" stroke puts mean piston speed at 4,000 ft/min around 6,650 RPM, which is where a production bottom end is generally considered at its limit. A rod ratio of 1.646 is in the range most production engines fall in. Each of the 4 cylinders displaces 33.8 ci (553 cc).
It is one of 8 engines in the Chrysler 135ci family, all of them 135 ci — the differences between them are in compression, heads and rating, not displacement. 3 factory variants share these dimensions, rated at 146 hp across 1985–1987.
| Displacement | 135 ci / 2.2 L |
|---|---|
| Bore | 3.44" |
| Stroke | 3.62" |
| Cylinders | 4 |
| Configuration | I4 |
| Rod length | 5.96" |
| Rod ratio | 1.646 |
| Bore/stroke ratio | 0.95 |
| Block material | cast iron |
|---|---|
| Head material | cast iron |
| Valvetrain | OHV |
| Fuel type | gas |
| Advertised HP | 146 hp |
| Years | 1985–1987 |
| Bore/stroke character | 0.950 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,620 ft/min — in the range typical of performance street engines |
| Rod ratio | 1.646 — moderate — the range most production V8s fall in |
| Displacement per cylinder | 33.8 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 |
|---|---|---|
| 1985 | 146 hp | 2.2 Turbo I MPFI |
| 1986 | 146 hp | 2.2 Turbo I MPFI |
| 1987 | 146 hp | 2.2 Turbo I MPFI |