Chevrolet Gen V LT 11.5:1 Specs

Chevrolet Gen V LT · 4.065" × 3.622" · 11.5:1 engine specs: 376 ci (6.2L), 8-cylinder, 4.065" bore x 3.622" stroke, 11.5:1 compression.

Dimensions

Displacement376 ci / 6.2 L
Bore4.065"
Stroke3.622"
Cylinders8
Compression ratio11.5:1
Bore/stroke ratio1.122

Construction

Block materialaluminum
Head materialaluminum
ValvetrainOHV
Fuel typegas
Advertised HP420–495 hp

What these numbers mean

Bore/stroke character1.122 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves
Mean piston speed at 6,000 RPM3,622 ft/min — in the range typical of performance street engines
Displacement per cylinder47.0 ci
Static compression11.5:1 — high enough that pump premium or better is normally required

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Variants sharing these dimensions (5)

These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.

YearAdvertised HPCode
420 hpL86, L87
455 hpLT1
460 hpLT1 (Z51)
490 hpLT2
495 hpLT2 (Z51)

Vehicles (11)

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