2010年11月20日土曜日

Difficulty on ignition system


Many a difficulty lying just in front of my future life with '71 VW 1302 Super Beetle. Because the time '71 was the just adjacent period of time,distributor and carburator system was exchanged into new system, and new one has not good reputations on earth,the reasons are chronic retarded secondary diaphragm requiring not BTDC but ATDC idle timing, difficulty to overcome the the chronic flat spot while acceleration and too lean orignal 34PIC/3 carburetor. There are no person to insist this on strange dual diaphragm equipped distributor, so there must be any inconvenience to continue ATDC idle setting . Almost of dual vacuum diaphragm equipped distributor are exchanged into 009 or 010 type former disigned but with centrifugal advance system ones. Concluding that have I chosen the most difficult Beetle as a partner among many type!
Anyway every Air-cooled VW owner or engineer has some hesitations and worries on ignition system on the Beetles.
Though much more sophisticated system may be invited on my 1302, another way is to keep original condition and the modifications must be refrained,as less as possible if done.
I can imagine the future difficulties to establish the ideal ignition and fuel supply systems on 1302 consulting with my 50 years experiences, but I'll do that and overcome most of future hardships.

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