Many GM engines share similar RPO codes; multiple different blocks are known as LS6 or LT1. But there's actually a reason as ...

GM Authority is taking a closer look at how an engine block heater works, while outlining how it can improve cold-weather ...

Humans use hot cocoa, coffee, tea, whiskey, and chicken noodle soup to warm up their insides and defrost from the cold abyss known as winter. Cars use engine block heaters. For the most part, modern ...

Today, some 46 years later, the K-code "Hi-Po" Mustang is still one of the most sought after classic Mustangs. With just three years of production and something less than 13,000 produced, the K-code ...

The General Motors small-block Gen III LS1 V-8 has been around since 1997, but many enthusiasts are still learning about its great features. Because of that, whether you are working on a Gen III V-8 ...