440 LSX

When we last left you, Trick Flow Specialties was in the process of building the short block for its 440 cubic inch GM LSX engine (440 LSX, Part 1). Designed for LS development work on Trick Flow’s Superflow dyno, the short block was built heck for stout—GM Performance Parts LSX iron block, 4.125-inch stroke Lunati Pro-Series

440 cubic inches used to be the domain of rip-snorting big block engines. Even more specifically, the number 440 denoted the rip-snorting big blocks produced by Mother Mopar and the Pentastar Kids. That was then, though. Thanks to the proliferation of high-quality factory and aftermarket blocks and stroker kits, you can build 440 cubes out