Oldsmobile LT6 Specs
Oldsmobile LT6 engine specs: 262 ci (4.3L), 6-cylinder, 3.8" bore x 3.8" stroke, 21.6:1 compression.
Dimensions
| Displacement | 262 ci / 4.3 L |
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| Bore | 3.8" |
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| Stroke | 3.8" |
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| Cylinders | 6 |
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| Compression ratio | 21.6:1 |
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| Bore/stroke ratio | 1 |
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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 | diesel |
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| Advertised HP | 85 hp |
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What these numbers mean
| Bore/stroke character | 1.000 — square — bore and stroke are within 5%, a balanced compromise |
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| Mean piston speed at 6,000 RPM | 3,800 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 43.7 ci |
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| Static compression | 21.6:1 — high enough that pump premium or better is normally required |
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Vehicles (2)
- Oldsmobile Cutlass Ciera
- Oldsmobile Delta 88
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