American Motors 195ci 8.7:1 Specs
American Motors American Motors 195ci · 3.125" × 4.25" · 8.7:1 engine specs: 195 ci (3.2L), 6-cylinder, 3.125" bore x 4.25" stroke, 8.7:1 compression.
Dimensions
| Displacement | 195 ci / 3.2 L |
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| Bore | 3.125" |
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| Stroke | 4.25" |
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| Cylinders | 6 |
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| Compression ratio | 8.7:1 |
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| Rod length | 6.625" |
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| Rod ratio | 1.559 |
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| Bore/stroke ratio | 0.735 |
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| Piston deck clearance | 0" |
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Construction
| Induction | 1-1 |
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| Advertised HP | 125–138 hp |
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| Years | 1960–1965 |
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What these numbers mean
| Bore/stroke character | 0.735 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 4,250 ft/min — in the range typical of performance street engines |
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| Rod ratio | 1.559 — moderate — the range most production V8s fall in |
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| Displacement per cylinder | 32.5 ci |
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| Static compression | 8.7:1 — low by modern standards, generally happy on regular pump fuel |
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Cylinder head
| Intake valve diameter | 1.594" |
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| Exhaust valve diameter | 1.343" |
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| Chamber volume | 89 cc |
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| Rocker ratio | 1.46:1 |
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| Lifter type | mechanical |
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Variants sharing these dimensions (15)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
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| 1960 | 127 hp | — |
| 1960 | 138 hp | — |
| 1961 | 125 hp | — |
| 1961 | 127 hp | — |
| 1961 | 138 hp | — |
| 1962 | 125 hp | — |
| 1962 | 127 hp | — |
| 1962 | 138 hp | — |
| 1963 | 125 hp | — |
| 1963 | 127 hp | — |
| 1963 | 138 hp | — |
| 1964 | 125 hp | — |
| 1964 | 127 hp | — |
| 1964 | 138 hp | — |
| 1965 | 125 hp | — |
Similar engines
Source: NHRA blueprints — nhra.net blueprints
← All American Motors 195ci engines