Chevrolet 164ci specs: 3.438 x 2.94 in (87.3 x 74.7 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings.
| Displacement | 164 ci |
|---|---|
| Cylinders | 6 |
| Bore | 3.438" |
| Stroke | 2.940" |
| Compression | 8.3–9.3:1 |
| Advertised power | 95–180 hp |
| Years | 1964–1969 |
| Cylinder head data | 2 of 2 engines |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Chevrolet 164ci · 3.438" × 2.94" · 8.25:1 | 164 ci | 3.438" × 2.94" | 8.25:1 | 95–180 |
| Chevrolet 164ci · 3.438" × 2.94" · 9.25:1 | 164 ci | 3.438" × 2.94" | 9.25:1 | 110–140 |
All are oversquare — bore larger than stroke, which favours revs over low-end torque.
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.