Hot Rod

We Find Out Which Factory LS Head Performs Best Under Boost

What happens when you make a post in any of the many LS performance forums and ask the following question? What is the best factory LS head to use on a turbo engine? The obvious answer for any ...
Motor Trend

History of the LS Engine and Cylinder Head Casting Number Spotter’s Guide: LS1, LS6, LS2, LS3, LS4, L99, LS7, LSA, LS9, LQ9, LQ4, L92, L94

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...
Hot Rod

We Find Out Which Factory LS Head Performs Best Under Boost

What happens when you make a post in any of the many LS performance forums and ask the following question? What is the best factory LS head to use on a turbo engine? The obvious answer for any ...