What was the name of Stevie Ray Vaughan's favorite guitar?

The answer is: Number One. Regarded as one of the greatest guitarists of all time, Stevie Ray Vaughan owned a plethora of musical instruments, becoming most associated with the Fender Stratocaster. Used for the majority of his career, Number One was a 1963 body, with a 1962 neck and 1959 pickups. In a 1983 interview, Vaughan said: "I like the strength of its sound… It's got a big, strong tone and it'll take anything I do to it."Source