GMC 137ci specs: 3.465 x 3.622 in (88 x 92 mm) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.
| Displacement | 137 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.465" |
| Stroke | 3.622" |
| Compression | 21.0:1 |
| Advertised power | 62 hp |
| Years | 1984–1985 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| LQ7 | 137 ci | 3.4646" × 3.622" | 21:1 | 62 |
This family is represented by a single engine in the database: 137 ci, 4 cylinders, a 3.4646" × 3.622" bore and stroke.
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.