40 vw 1600 engine diagram
Alphanumeric Volkswagen Engine Codes were stamped on VW Engine cases at time of car manufacture to convey information about the size and specs of the engine. Because VW offered multiple engine sizes and made changes to their engines independently of model changes, they used Engine Codes instead of relying on VIN numbers for this purpose. Read More These were VW engine cases which were sold by VW but were never put into an actual production vehicle. All of these are dual-relief cases with 100mm oil passages. Information from a 5/73 USA service bulletin issued 5/73: Engines with the re-manufactured symbol, a letter, a number and ending with X, indicates a VW Exchange engine. US models get 1600cc single port engine. US models get larger turn signals and side reflectors on housing. Two sets of air intake slots added to engine lid. Pressure control valve added to lubrication system. Solex 30PICT/3 carby on 1600 models (30PICT/2 continues on 1500 models). Diaphragm clutch springs t...