AMG Replacing 6.3 V8 with 5.5L Twin Turbo V8
It's the end of the world as we know it. AMG, Mercedes' dedicated performance side-arm, will be announcing a new down-sized V8 at the upcoming Geneva show. Considering AMG has always been known for stuffing huge engines in pimped out Mercs, the prospect of a smaller, more efficient AMG engine is a bit hard to stomach at first. But read a little deeper, and you get the feeling it'll be alright - they're bolting a set of twin turbos up to it to make up for the drop in displacement, and both power and efficiency are going up. The M157 V8 is being de-stroked from a massive 6.2L down to "only" 5.5L, but is gaining a pair of exhaust-driven huffers, direct fuel injection (an AMG first) which


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