M178 Crate Engine | 1,500HP+ Build | YPG Motorsport
Mercedes-AMG M178 Crate Engine — 1,500HP Forged Build The Mercedes-AMG M178 4.0L twin-turbo V8 — the flat-plane crankshaft, dry-sump variant of the M177 found exclusively in the AMG GT family. Factory forged internals, hand-built in Affalterbach. The most exotic engine in the AMG lineup. YPG builds every M178 crate engine in-house with upgraded forged internals rated to 1,500HP+. No core exchange required. Typical build time is 2-4 weeks with free worldwide shipping. Engine Specifications Displacement: 4.0L / 3,982cc Configuration: V8 twin-turbo, hot-vee layout Lubrication: Dry-sump Crankshaft: Flat-plane forged — higher-revving character than the cross-plane M177 Construction: Hand-built AMG, aluminum closed-deck block Stock Output: 462–730HP (GT base to GT Black Series) Max Potential: 1,500+ WHP with Stage VIP forged build What's the Difference Between M177 and M178? Both are AMG 4.0L twin-turbo V8s sharing the same block architecture. The M177 uses a cross-plane cranksh