NOS DirectPort Injection: How direct port nitrous oxide injection works

How nitrous oxide injection makes more horsepower.
Read More

Is a dry NOS system better than a wet NOS system? Holley explains how each system works when injected into an engine to make more horsepower. The four main methods of introducing NOS to you engine are, a single dry fogger, a single wet fogger, direct port foggers, and wet plate systems.
Read More

Making the trek all the way from Colorado, Greg Orr brought his family over to make some tracks at Holley's LS Fest with Runnin' Dirty, his twin turbo, LS swapped Buick Skylark. This Holley EFI equipped land speed machine just recently crested the 200 mph mark from the standing half mile mark.
Read More

This year at Holley's LS Fest we met with Tom from Tom's Turbo Garage. Tom drove his LS3 swapped Mazda Miata Speed all the way from Knoxville, TN. This Mazda is super clean and sports a very healthy V8! Get the whole scoope on the Mazda Miata here.
Read More