Ford 302ci 9.002:1 Specs
Ford Ford 302ci · 4.002" × 3.000" · 9.002:1 engine specs: 302 ci (4.9L), 8-cylinder, 4.002" bore x 3" stroke, 9.002:1 compression.
Dimensions
| Displacement | 302 ci / 4.9 L |
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| Bore | 4.002" |
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| Stroke | 3" |
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| Cylinders | 8 |
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| Configuration | V8 |
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| Compression ratio | 9.002:1 |
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| Rod length | 5.09" |
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| Rod ratio | 1.697 |
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| Bore/stroke ratio | 1.334 |
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Construction
| Block material | cast iron |
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| Head material | cast iron |
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| Valvetrain | OHV |
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| Fuel type | gas |
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| Advertised HP | 122–129 hp |
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| Years | 1975 |
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What these numbers mean
| Bore/stroke character | 1.334 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,000 ft/min — conservative for a street engine |
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| Rod ratio | 1.697 — moderate — the range most production V8s fall in |
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| Displacement per cylinder | 37.8 ci |
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| Static compression | 9.002:1 — low by modern standards, generally happy on regular pump fuel |
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Cylinder head
| Intake valve diameter | 1.791" |
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| Exhaust valve diameter | 1.46" |
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Variants sharing these dimensions (2)
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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| 1975 | 122 hp | — |
| 1975 | 129 hp | — |
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