[alexiskai]

FWIW, I have mine timed at about 5° ATDC initial timing and I bring the lever down half an inch for start and cold idle, which corresponds to roughly 10° BTDC. Then I bump it back to the top when I get on the road. It just helps keep her from stalling. With a healthy starter and battery, you absolutely can start a Model A at 10°, 15°, or even the infamous Model B 19° BTDC initial timing.