Last time, we introduced you to a budget-friendly project that includes a rough, four-door ’70 Nova and a junkyard 4.8-liter LS engine with a turbocharger. Kyle Shadden spent many nights and weekends ...

The third generation of the Pontiac Firebird was produced from 1982 to 1992, and the Trans Am GTA couldn’t do better than 240 horsepower from 5.7 liters of displacement for the final model year. Be ...

GM's 706 Vortec heads are the cheapest and most effective heads you can use on your 4.8-liter and 5.3-liter, and even some 6.0-liter LS engine builds. Bold statement? Well, not really. You see, these ...

Installing the system was straightforward, with clearly labeled wires and connectors. Kyle found that using the Holley software was just as easy, as he fired up his laptop and started working on ...