LS Chevelle Swap Part 2

In Part I of our story, Eric Rosendahl wanted a 5.7L LS engine in his ’67 300 Chevelle that could easily be a daily driver. We bolted in the engine along with a fresh 4L60E. The rest of this story will document all the subsequent changes and fixes we had to create to bring this plan to a climax. The engine is really just a breathed-on Gen III LS truck drivetrain cloaked in a ’67 Chevelle 300 sedan body or, the best of both late-model efficiency and a cool muscle car image. We have to admit that we were in such a hurry to drop the LS in place that we didn’t shoot any photos of the install, which is why you won’t see the classic image of the new LS going in–we just plain forgot! But you’ve seen the photo a dozen times in different scenes, so it’s no great loss.

With the new engine and trans in place, there were at least 500 details to work through. While it might appear that the