Start Your Performance Truck Build! https://bit.ly/3qujUXL When it comes to gasoline engines, there are few that can hold up to the legendary 5.3L V8. In today’s video, Dustin breaks down the BEST performance mods for your 5.3L Vortec. From simple bolt-on options, to some thiccc boy cam shafts, and many many more options, these engines can take a lot and put down some horsepower! Comment below what YOUR favorite mod for the 5.3L, and as always; like, share, and subscribe! 0:00 Intro 1:23 Overvie