Bocar 34PICT3 carburetor for air cooled VW has obtained in YaHoo Auction last night at 3,350 yen. Judging from the photos shown there, no trick scar was observed.
This parts is used as a teaching aid for my own understanding on the behavior and the structure. Though no Solex letter is found on the case, the construction must be the same as Solex 34PICT3.
Identifying all the nozzles, main jet, pilot jet, emulsion tube and idle jet are the main purpose as information.
The number of 34 shows air venturi size, the difference must exist in the transient of acceleration.
As the Bocar has the orifice nipple for retarding diaphragm action, the production age must be 1971 and the distributor set in combination with special twin vacuum diaphragm actuator. The idling ignition timing must have been set at ATDC 5 degree.
More considerations would be possible if new coming Bocar carburetor is disassembled.
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