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<x-charset iso-8859-1> ----- Original Message ----- From: Jim Adney <jadney@vwtype3.org> > There were early generators with a smaller diameter which would > have taken a shorter belt. I can never remember when the diameter > change took place. It did NOT take place at the logical moment > when the cars went from 6V to 12V, rather it took place in the > middle of one voltage tenure, so that there are 2 sizes of > generators for one of the voltages; I think it was for 6V. > The crankshaft pulley changed from 234mm to 208mm from engine 0141841 (chassis 0139781), and the belt went from 1050mm to 1000mm. The early pulley is p/n 311 105 251C, and the later is 251D; the belts are 311 903 137 for the early, and 137A for the later. I expect Jim or one of the other gurus can be more helpful with the approximate date, but the numbers are from the workshop manual published in March '64, so the change obviously pre-dates this. Who wants to be the trivia king? I'm not worthy..... ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe </x-charset>