The PT8285 turbo with a T4 1.28 A/R turbine housing is capable of supporting 800 hp at moderate boost levels, and with its dual-ceramic-ball-bearing centerhousing and CEA technology, the combo ...

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.