BTM LLC of Arizona was a specialist builder and restorer of Bill Thomas Cheetah cars based in Glendale, Arizona. Led by Bob Auxier, it focused on documenting, restoring, and certifying original 1963–1966 Cheetahs while offering “turnkey” continuation cars patterned on period specifications. The company presented itself as active from the 1990s. Its continuation program centered on FIA-style Cheetahs with Chevrolet small-block power and period…