CGI.. it's an Iron Graphite composite ..almost as light as aluminum but strongerI've been really curious, and maybe some of you experts know's the answer... why is the 2.7L TTV6 the _only_ ecoboost engine with a cast iron block?
The 3.5TTV6 is aluminum, and the 2.3T4 is aluminum... why the odd construction for the 2.7?
TIA
Here is a good write up on it
https://www.caranddriver.com/featur...ge-iron-in-its-aluminum-intensive-2015-f-150/
The 3.0 Diesel also uses it
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