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 ...

For the past two months, we've taken readers on a detailed ride through a full-on LS1 engine assembly. In Part 1 of this homegrown motor build series ("My First Stroker," Aug. 2006), we prepped our ...

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 ...