Top Tier gas is formulated to keep your engine cleaner and costs just a little more. But is it worth looking for? AAA ...

You see, a larger displacement LS—say, a 427-inch LS7—is going to be built around an aluminum block. Aluminum is great for shedding weight, but it doesn’t compare to the strength of iron. That’s where ...

Dialing-In The DynosA major aspect of putting together an event like the Jeg's Engine Masters Challenge is going the extra mile to ensure an absolutely level playing field. In our annual ...

We put together a budget 5.7L LS engine (327 cubic inches) to show that you don't have to go broke to enjoy the benefits of an EFI-equipped LS engine in your classic Chevy. The engine ended up making ...

Once you get into performance tuning a two-wheeler, you'll hear a lot of talk about motorcycle dyno tuning. Simply put, a dyno tune is the difference between two performance-tinkered motorcycles off ...

As many of you know, I have a car problem. I blame the Internet for that. If it wasn't for Recycler.com and AutoTrader.com, I'd probably own fewer cars than I do now. One hot item in the online ...