Complete the following sentence: Mickey Thompson hired MacDonald to drive one of his radical low profile rear-engine race cars in the
1964 Indy 500. Thompson's Ford-powered racers were specifically designed to run on 12" tires and made their debut in the 1963 Indy 500 under Chevrolet power.<unk> Thompson's Ford-powered racers were specifically designed to run on 12" tires and made their debut in the 1963 Indy 500 under Chevrolet power. The cars became known as "roller skates".<unk> The cars became known as "roller skates". ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️