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Originally Posted by jpd80
Rumor that Ford is working on a new 3 to 4 litre V6 architecture with reverse pattern cylinder heads
that puts exhausts and turbos at the top of the engine and inlets on the lower side of the heads.
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Like BMW's V8TT M engines and Audi/Bentley's new V8TT. Makes for a very small path to the turbos to reduce turbo lag to near zero and to heat the cats quicker.
The Porsche 918 also uses reverse pattern heads but its NA, for packaging reasons, so they can feed the exhaust gases out through the top of the engine as there was no room for the exhaust when they tried to use a traditional style head.