1970 914/6 911/52 6 cylinder motor with mechanical Bosch injection starts up and runs I've had this engine for 20 years not using it anymore so it's time to sell.This engine was rebuilt in 2005 and I've had the engine since 2006 This engine is rare, after doing a lot of research I have determinedwith the Porsche experts that this engine was assembled at the factoryfor a special purpose. The number 4 on the engine does not existin the Porsche records. This is how it's been determined it's a rare motor. 914/6 engine ID number is stamped on the rear of the block like this motor, it's a factory stamp and it's a 1970. The serial number of the 0 determines it's a 1970. it's a very rare motor that does exist. Do your research before you ask questions.Buyer to pay for shipping. engine number 6401662 911/52