The V8 diesel engine didn't have its greatest introduction, at least in the passenger car world. Developed for buyers seeking higher efficiency, Oldsmobile's V8 diesel-powered Cutlass proved to be a ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

GM's famously durable 6.6-liter Duramax diesel V-8 comes from the factory with aluminum cylinder heads, but for some owners, cast-iron is the better option.