Did you catch ghat GM is spending almost 1 billion on new V8 motor design speed across r plants on Michigan, Ohio, Indiana, and New York.
I would guess they need a new fresh design to do a atomized fuel spray in the cylinder, plus multiple cams. Anyway, at least for the truck market and service industries, that bridges the next 10 to 15 years most likely. We know 15% ethanol isn't going away and maybe they are designing toward that alternative.
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