In case you are unfamiliar, that’s the 1966 BRM H-16 F1 engine. When the new 3-litre formula was announced for 1966, BRM could have gone with a more standard V12, however they felt that format’s narrow but tall shape wouldn’t make a sufficiently solid to be used as a stressed member to support of the rear suspension. The H was also considered to provide a lower center of gravity. The 8-cam motor did manage a win at the U.S. Grand Prix in ’66, but its career was otherwise clouded by its complexity- it was rumored to take three technicians 2 weeks to do a rebuild! Regardless, it stands today as one of the most historically and visually interesting engines ever created. Image source: [evilphotographer.com]