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.

One of the newest members of the club is MSD. Known for their ignition systems for well over 30 years, they've come to the table with an interesting bolt-on EFI solution called Atomic EFI (PN 2900 ...