Profession: Owner of Lingenfelter Performance Engineering
Estimated Number Of Cars: More than 150
Highlighted Cars: Lamborghini Reventon, 1999 Shelby Series 1, 1982 Delorean DMC 12, Saleen S7 Twin Turbo

Lingenfelter has spent his whole life with cars. His dad ran a GM plant. Ken opened and ran an insurance company for 27 years before switching things up with a performance engineering company. Forty percent of his 150-plus collection is made up of Corvettes.