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Subject: Re: [T3] 6V - 12V Conversion > > Change the flywheel. Use an automatic transmission starter so > that you do not have to change the starter shaft bushing. There > was a flywheel hub design change, as the older crank shaft end > had a bulge. The flywheel has a step cut into it to clear this > bulge. It is probably easier to have a step machined into the > flywheel hub than to disassemble the engine to have the crank > shaft end dressed. Finding the correct flywheel is best. > Finding the old style hub flywheel with a removable ring gear > (and the correct ring gear to go on it) is next best, but > harder. A 6v bendix gear in a 12v starter is rare, but I suppose > that you could disassemble a 6v starter, and have the gear welded > and redrilled for mounting in a 12v starter. You can also put a > 12 volt solenoid on your 6 volt starter. Or don't change the > flywheel or anything else and run your 6v starter until it burns > up. > A lot of the VW's I have converted from 6V to 12V, I just left the 6V starter and flywheel. The 12V flywheel will not fit into a lot of 6V bellhousings without some machining on the bellhousing. The last one I converted was my doctors '65 T-1. It went over 5 years without a problem with the starter. Then the failure was not the starter, but the flywheel teeth were worn in 2 areas. I justed replaced the flywheel, and put it back on the road. About 3 months later his daughter totaled the car, and I didn't get the salvage bid, so I lost track of it. This car had a 1600cc engine. Russ Wolfe russw@classicvw.org http://www.classicvw.org/ ------------------------------------------------------------------- Pitch in! Send your pledge of support! mailto:support@vwtype3.org