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 hottest cylinder head on the small-block Chevy hit parade right now is the Vortec iron head. It's extremely affordable and flows a bunch of air for a stock production iron head with a 170cc port ...

Cylinder heads are arguably one of the most important parts for building horsepower in your engine, but the question always comes down to the ratio of horsepower-per-dollar. The go-to budget cylinder ...

Cracked heads and blown head gaskets can lead to very similar issues in cars. Figuring out which problem you're suffering from can be difficult.

For those readers out there who may be scratching their heads, the big red Swedish meatball you see before you is a 1974 Volvo C303, hailing from the automaker’s line of military vehicles. This ...

General Motors introduced the LC9, a 5.3L V8 Vortec engine, in the tenth-generation, four-wheel-drive GMT900-based Chevrolet Suburban and GMC Yukon XL. The LC9 is a member of the Gen IV V8 GM small ...

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 ...