# Chevrolet LS3 crate engine

- Source: https://racingcarnetwork.com/wiki/chevrolet-ls3-crate-engine/
- Publisher: Racing Car Network (racingcarnetwork.com), the race car marketplace
- Type: engine · Brand: Chevrolet
- Discipline: parts
- Era: 2000s
- Last updated: 2026-07-06

The LS3 crate is the V8 economy's sensible middle: GM's 6.2-litre, 430-horsepower staple — the 525 crate variants above it — that swap culture, circle tracks and club builds treat as the default answer under the LS7's summit.

## Specifications

| Spec | Value |
|---|---|
| Type | 6.2 L OHV V8 (LS3) |
| Power | 430 hp stock / 525 crate variants |
| Application | Swaps, drift, circle track, club race, kits |
| Position | Volume middle under the LS7 summit |
| Oiling | Wet sump — baffle/accusump for road course |
| Diligence | Identity + boost honesty + oiling spec |
| Years | 2008–present |
| Class | V8 economy volume standard |

## History

GM Performance's LS3 (2008, the C6 Corvette's base V8) became the crate economy's volume citizen: 6.2 litres and 430 road horsepower from the LS architecture's mature generation — rectangular-port heads the tuning world mapped exhaustively, the 525-horsepower crate variants (hot-cam packages) productising the first upgrade, and pricing that made the LS3 the swap universe's default arithmetic: the engine drift builds, kit cars, circle-track classes and club racers specify when the LS7's dry-sump summit exceeds the budget or the rules.

The ecosystem is the LS economy entire: control packs and harness solutions making installs appliance-like, the aftermarket's universal depth (cam packages, oiling solutions, the swap industry's mounts-and-headers catalogue), and crate-warranty mentality at race-parts scale.

Used LS3s flood the American market: crate-versus-take-out identity (GM paperwork versus donor mileage), hours and boost honesty (stock rotating assemblies hold sensible boost; abuse history hides), oiling spec against road-course intent (the wet-sump reality needing baffling or accusump solutions for slicks) — the volume market's transparent arithmetic throughout.

## Palmarès

Under drift championships, circle-track classes, club road-racing and the component-car economy's accumulated silverware — the volume V8's record: the default answer's results, everywhere at once.

## What to check before you buy

Volume-market law: identity first (GM crate with paperwork versus donor take-out — provenance prices the gap), compression/leakdown numbers on anything used, boost-history honesty (stock internals tolerate sensible boost; drift lives and nitrous histories hide in bearings), and oiling spec against your grip (LS3 wet sumps starve on slicks — baffle, accusump or dry-sump per intent). The 525-variant identity (cam packages) verifies by part number. Control-pack completeness carries swap value. New-crate pricing anchors everything; the LS7 question is budget-and-rules honesty — the LS3 serves the enormous middle the summit doesn't.

## Did you know

- The LS3 is the swap universe's default arithmetic — the engine specified when the question is 'which V8' and the answer is 'the obvious one'.
- Rectangular-port heads mapped exhaustively by the aftermarket made the LS3 tuning's known quantity — no secrets left, which is the buying virtue.
- Crate-warranty mentality at race scale remains GM Performance's quiet product: engines ordered like appliances, raced like equipment.

## Related entries

- Chevrolet LS7 crate engine — https://racingcarnetwork.com/wiki/chevrolet-ls7-crate-engine/
- Ford Coyote crate engine — https://racingcarnetwork.com/wiki/ford-coyote-crate-engine/
- Tremec T56 Magnum (race use) — https://racingcarnetwork.com/wiki/tremec-t56-magnum-race/
- Chrysler 426 Hemi race engine — https://racingcarnetwork.com/wiki/chrysler-426-hemi-race-engine/