The Ariel Atom is ... they had a fully built Atom 500 V8, complete with fluids and an alignment. Impressive. Initial reports stated that the Atom 500 would feature a 2.4-liter supercharged V8.

the Atom 4R may not sound as mighty as the old Atom V8, but the car’s latest hot lap proves just how much of a weapon it is. Read: Ariel Boosts Atom 4R’s Civic Type-R Engine To 400 HP Found at ...