Well like most, I had heard the pros and cons of each style, some myths and some real. The biggest change one would expect would be a gain of upper end breathing (more HP) at the expense of lower end ...

Adding displacement is one of the simplest and most effective means of adding horsepower to any engine, let alone an LT1 or LS1 that are both highly responsive to modification. Thankfully GM has ...

Now that the buzz surrounding the simple pushrod design, the big-lift cam, the truly high-performance ignition and the race-ready heads has died down, the 1998-present LS1-powered F-bodies are adding ...