Many of us associate big power with big V8s, but semi-trucks generally opt for inline-6 diesels instead. Why? What's so ...

Some semi-trucks have two giant silver cylinders on their sides, but others don't. Here's why that is, and what exactly those ...

I own a 1961 Econoline, and I want a reproduction exhaust system for it. The short block is a 200 CID six, probably from a ...