Swapping an LS engine into a car is popular among folks inclined to do such things. It’s a great way to gain the horsepower potential and reliability that makes the General Motors LS engines so special. However, even in a class as gifted as the LS lineup, one generation lands on the lowest rank. General Motors introduced the 5.3-liter (325-cubic-inch) LS4 in 2005 to bring V8 power to its sporty front-wheel drive lineup. Like other LS engines, as a
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