In this MSD Atomic Turbo LS Test, we take the new Atomic EFI and install it to our LS3 crate engine to see just how much horsepower we could get out of it.

In this Tech article, we show you how to add boost to your 5.3L LS engine by adding a carburetor, a cam, and a turbo. We got this baby up to 611-horsepower!

With the help of a slick system from Speedmaster we’re able to bolt an old-school 6-71 blower to a modern LS engine and run it on the dyno! What we got was a huge increase and power and a ton of ...