I literally just got off the phone with a friend of mine yesterday when he was talking about his 5.3 LS engine build and the 425 horsepower that he wants to make, and where I told him that all LS engines were race engines from the factory. Because it is true. The cylinder heads are so good compared to original Gen 1/2 small blocks that they feel like a race engine in comparison. And they just don’t care what you do to them. So the answer to Richard’s first question in the video description below is “All of it!” Watch the video to learn more and to see what REAL power is made with what mods and what boost and how much nitrous!

Video Description:

HOW MUCH BOOST CAN I RUN ON MY 4.8L? HOW MUCH NITROUS CAN I RUN ON MY 4.8L? CAN I RUN A CARBURETOR WITH BOOST? CAN I RUN A DUAL-PLANE INTAKE WITH BOOST? HOW MUCH POWER IS NITROUS WORTH ON A 4.8L? HOW MUCH POWER IS A VORTECH SUPERCHARGER WORTH ON A 4.8L? HOW MUCH POWER IS A TURBO WORTH ON A 4.8L? CHECK OUT THE POWER GAINS OFFERED BY A CHEAP NOS SNIPER NITROUS SYSTEM. FIND OUT WHAT HAPPENED WHEN WE RAN A VORTECH Ti TRIM VORTECH ON A BLOW-THROUGH (CARB) 4.8L! CHECK OUT THE FINAL TEST WHERE WE RAN A SUMMIT RACING S475 TURBO ON A BTR-CAMMED 4.8L. THERE IS NOTHING LIKE BOOST OR NITROUS TO MAKE SOME SERIOUS POWER GAINS.