An LS Engine Swap

Engine swaps have been happening long before the first 265ci V-8 rolled off GM’s production line. It would be hard to argue that an engine has been swapped into more cars than the venerable small-block Chevy, but its baby brother, the LS-series engine, has got to be pulling a healthy spot in Second Place. Poke your head under the hood of any Tri-Five, Camaro, Chevelle, or other classic Chevy at the local cruise-in and you’re likely to be face to face with the same engine that powers your neighbor’s contemporary Silverado. The LS swap has become commonplace, and for good reason.

For starters, the LS-series engine is similar in size, with the old small-block being slightly longer due