Be careful when purchasing new plastic lifter guides for GM’s LS engines. It’s always a smart practice to replace the lifter guides when rebuilding an older LS engine as the material can become weak ...

One man’s trash is another man’s treasure is a phrase that fits well here. It all started with a friend that was going to stroke an LS1 he had for a project. His plan was to add some new Scat rotating ...

Now that the LS has burrowed deeply into just about every facet of Chevrolet performance, making power means spinning wrenches and swapping parts. That’s where the power theory runs right into ...