He does tend to buy a lot of Chevrolet kits. 
As it turns out, according to a friend of mine who has (1) built both the 1929 & 1930 Model A kits & (2) knows a heck of a lot more about cars than I do, the 1929 Ford Model A Roadster kit comes with a Chevrolet small block and the 1930 Ford Model A Coupe comes with a Buick Nailhead.
Jim