Add Yahoo as a preferred source to see more of our stories on Google. General Motors' turbocharged 6.6-liter Duramax diesel V-8 is engineered to stand up to hard work in heavy-duty truck applications, ...
General Motors' turbocharged 6.6-liter Duramax diesel V-8 is engineered to stand up to hard work in heavy-duty truck applications, but it comes from the factory with a cast-iron block and aluminum ...