Swapping an LS engine into your hot rod is about a lot of things besides the actual LS engine. You need to figure out headers, engine mounts, cooling lines, oil pan to frame clearance in addition to ...

Since its debut in the '90s, the LS engine market—Gen III and IV small-blocks—has grown exponentially, with new and better parts being introduced at a fever pitch. What does this mean for us? As the ...

It takes energy to push disorganized exhaust gases out through a vehicle's stock exhaust manifold. Headers don't make horsepower; they relieve the engine from the task of straining itself while ...

In our last installment on Scarlett, our '72 coupe project, we shoehorned in a fire-breathing LS3 stroker motor that should rocket the former small-block car to far quicker times while reducing weight ...