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GM Teases 8.3-Liter Duramax V8, Raises Stakes Against Ford's Scorpion
General Motors will fit an 8.3-liter Duramax 'Mongoose' V8 to its 2027 Silverado HD and Sierra HD, positioning it against Ford's 6.7-liter Scorpion.
General Motors will fit an 8.3-liter Duramax 'Mongoose' V8 to its 2027 Silverado HD and Sierra HD, positioning it against Ford's 6.7-liter Scorpion.