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

Displacement632 ci / 10.4 L
Bore4.6"
Stroke4.75"
Cylinders8
ConfigurationV8
Compression ratio12:1
Rod length6.66"
Rod ratio1.402
Bore/stroke ratio0.968
Piston deck clearance0"

Construction

Block materialcast iron
Head materialcast iron
ValvetrainOHV
Fuel typegas
Advertised HP575 hp
Years2023

What these numbers mean

Bore/stroke character0.968 — square — bore and stroke are within 5%, a balanced compromise
Mean piston speed at 6,000 RPM4,750 ft/min — above the 4,500 ft/min mark where most production bottom ends are considered at their limit
Rod ratio1.402 — short — more side loading and piston dwell at TDC, typical of stroker combinations
Displacement per cylinder79.0 ci
Static compression12:1 — high enough that pump premium or better is normally required

Cylinder head

Intake valve diameter2.45"
Exhaust valve diameter1.8"

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Similar engines

Source: NHRA blueprints — nhra.net blueprints

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