Discover how the Duramax diesel V8 engine from General Motors has maintained its reliability and durability over 25 years in production.
GM has finally shoehorned the Duramax 6600 in the 2006 Chevrolet Express and GMC Savana heavy-duty van offerings. It not only improves power (250 hp/460 lb.-ft) but is estimated to improve gas mileage ...
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