1927 LaSalle Speed Tests back to the home page Click the pictures for full-size versions. This is a pic of the 1927 laSalle that was tested for speed and endurance. My great grandfather is on the left. If you can identify any of the other people in the pic please let me know. This is the 1927 LaSalle with Gus Bell at the wheel and Jess Nall next to him. Here is the LaSalle on the General Motors proving ground track undergoing a speed and endurance test in 1927. Jess Nall and Gus Bell with 1927 LaSalle. First page of a four-page article about the 1927 LaSalle speed and endurance test. Page two of the LaSalle article. Page three of the LaSalle article. Page four of the LaSalle article.