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1971/72 1600cc - dual relief, dual port
If the engine that came with it is in it, it's a 1600cc dual-port engine with a 34mm Solex carburetor.
i dont know of a vw that has an engine of just B however B6 1970 1600cc - dual relief, single port B5 1968/69 1600cc - single relief B5 1970 1600cc - dual relief
AE 1971/72 1600cc - dual relief, dual port
1967 Type1's had a single port 1500 not a 1600.
AE 1971/72 1600cc - dual relief, dual port
AE 1971/72 1600cc - dual relief, dual port
i dont know of any engines that started with AK however AE 1971/72 1600cc - dual relief, dual port AH 1973/74 1600cc - 8mm head studs with case savers AJ 1975-1979 1600cc - fuel injected
If it is a dual port, meaning that the intake manifold ends spit into two openings on each side, then it is a 1600cc engine. They were introduced in 1971.
i dont know about an engine with AM but AE 1971/72 1600cc - dual relief, dual port AH 1973/74 1600cc - 8mm head studs with case savers AJ 1975-1979 1600cc - fuel injected AW 1973/74 1800cc - dual carb. AW 1975 1800cc - fuel-injected
your 73 has a 1600cc dual port engine check the number stamped in the alt/ gen stand and refer to the mur s book .
A 22r from a Toyota is a little large but could probably fit. Your best bet for more power is an 8V 1600cc from a '89-'93 sidekick (80hp vs 61hp) that easily mounts with adapters (Calmini or Petroworks) and electric fuel pump to keep it carburated.Or man up to the 16v 1600cc from a '92-'95 sidekick (95hp vs. 61hp) and run multi port fuel injection.