GM began updating the LS series almost immediately upon debuting it, and by the early 2000s, the company was producing the 5.3-liter LS4, which first dropped in the 2005 Pontiac Grand Prix GXP.

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 ...