When General Motors wanted to show off the capability of its Vortec engines, they went to Jason Plotke, who already had numerous H2 and H3 builds to his credit. Jason Plotke owns IAG Customs in ...

Modifications for your 5.3L Vortec V8 engine are a lot like eating potato chips ... you can't stop at just one. It starts innocently enough with a cold air intake, because hey, who doesn't want better ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

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 ...

Chevy's Vortec 8100 — AKA the L18, AKA the Vortec 8.1 — was the last of The General's big block V8s, a line of engines that traced its lineage clear back to the fire-breathing muscle cars of the '60s ...

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 ...