Chevrolet Chevr 2023 632 575HP Specs
Chevrolet Chevr 2023 632 575HP engine specs: 632 ci (10.4L), 8-cylinder, 4.6" bore x 4.75" stroke, 12:1 compression.
Dimensions
| Displacement | 632 ci / 10.4 L |
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| Bore | 4.6" |
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| Stroke | 4.75" |
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| Cylinders | 8 |
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| Configuration | V8 |
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| Compression ratio | 12:1 |
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| Rod length | 6.66" |
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| Rod ratio | 1.402 |
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| Bore/stroke ratio | 0.968 |
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| Piston deck clearance | 0" |
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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 | 575 hp |
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| Years | 2023 |
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What these numbers mean
| Bore/stroke character | 0.968 — square — bore and stroke are within 5%, a balanced compromise |
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| Mean piston speed at 6,000 RPM | 4,750 ft/min — above the 4,500 ft/min mark where most production bottom ends are considered at their limit |
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| Rod ratio | 1.402 — short — more side loading and piston dwell at TDC, typical of stroker combinations |
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| Displacement per cylinder | 79.0 ci |
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| Static compression | 12:1 — high enough that pump premium or better is normally required |
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Cylinder head
| Intake valve diameter | 2.45" |
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| Exhaust valve diameter | 1.8" |
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Similar engines
Source: NHRA blueprints — nhra.net blueprints
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