GM's LS engine is a powerhouse, thanks to great-flowing heads that enable tremendous horsepower and high-rpm performance. But while the LS is becoming a more popular swap choice for earlier, pre-C5 ...

Over the years, we’ve built dozens of small-block, big-block and LS-based engines where we have set custom ring end gaps. We must admit that we rarely check the end gap on the two small stainless ...