This "thing" is a custom rear-engined 1968 Jaguar XKE (E Type for Europeans). The car was built by Peter Harris and it is powered by Chevy TPI 350 ci V8 with Edelbrock Performer heads connected to a Turbo-Hydramatic 425 automatic transmission. Before that it had a Cadillac 500 ci V8 with a 6-71 supercharger. The rear frame is from the front of a FWD 1974 Cadillac subframe that was fully boxed. The front suspension is a Speedways Gasser-style straight axle with rack and pinion steering and coilovers.