We've been getting a ton of mail with questions about how and when to modify the Vortec small-block iron heads—so much mail that we decided to condense all the Vortec information into one concise ...

Testing engines is like running a marathon. There are some spots where you're way behind, and there are others where you're pulling ahead. However, the race is almost never done. Last month was one of ...

Any engine builder will tell you how important cylinder heads are to power and performance, so enthusiasts looking to spruce up their budget Chevy 305 small-block (SBC), or the larger and more popular ...

The Vortec 5.3L V8 LMG was an engine produced by General Motors for full-size SUVs. Displacing 5.3 liters in a V8 configuration, the LMG was part of the Vortec (Generation IV Small Block) engine ...