With this fuel system now reliably pumping the gas our LS1 needs, this project Trans Am is ready for some serious power-adding mods, including headers, more cubes, and more spray.

Simple and Affordable EFI LS Swap System This Holley Sniper EFI tank is perfect for any EFI install you might be doing. It's fully baffled and has an internal EFI-capable fuel pump. The only ...

Year One enhanced the performance of its LS1 OEM short-block with a Comp valvetrain, and the fuel-delivery system was upgraded to ensure adequate fuel flow should additional modifications (nitrous ...

GM's 5.3-liter V8 Ecotec3 engine has a number of positive attributes, including excellent fuel economy. But it also has three ...