Austin Seven Heads
Chummy - design
The Standard Chummy Head
Photo by Bruce White, 1999
"Actually the early Rubies had the Chummy heads, in fact up to the introduction of the 3 bearing engine for the 1937 model year. They then became known as '37 heads. My tourer has an early head and produces 13 bhp as opposed to to the later 17."
Contributed by Barry Lovelock