The
LXS engine represents the pinnacle of strength within GM’s LS architecture, engineered specifically for extreme performance demands. Built on a high-strength iron block, it is designed to withstand massive cylinder pressures from turbocharging, supercharging, or heavy nitrous use. Unlike standard LS engines, the LSX prioritizes durability over weight savings, making it a preferred choice for drag racing and high-horsepower builds. Thick cylinder walls, reinforced main caps, and superior oiling design allow the LSX engine to support four-digit horsepower figures while maintaining structural integrity under relentless stress.
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