We add a 76mm Precision turbo to our LSX376-B15 crate engine and make more than 1,000 HP. Features. Events. How ... from DNA Motoring combined with a custom Y-pipe designed to accept a T4 flange.

Obviously, the Hooker manifolds needed a turbo to provide boost, so we grabbed our tried-and-true (1,100-plus-hp) 7675 turbo from Precision. Though it's overkill for this stock 5.3, the T4 turbo ...

Over the course of 15 videos, Banks Power took the L5P to a mind-blowing 1,004 horsepower with the stock internals and a few performance modifications such as the 8085 custom Precision turbo.