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On 10 Oct 2002, at 21:44, Scott Taylor wrote: > >>And the earliest pulleys (before December 62) were about an inch > larger in diameter.<< > >>Really! I had no idea....<< > My Ghia has one. I have a 1963 edition of the VW Workshop manual that > has side-by-side pictures and states: > "from chassis no. 0139781 the diameter of the crankshaft pulley was > reduced from 234mm to 208mm (9.1" to 8.25"). This reduces the speed of > the generator, changes the ratio from 2.6 to 2.3 and alters the length > of the belt from 1050mm to 1000mm." > Wonder what the reason was. Generator problems? Probably generator considerations. They may have found that people tended to drive these in a more sporty fashion and the pulley ratio was just too much for the generator. Or they may have changed the generator at the same time; is there any evidence of this? If they had gone to a larger dia generator at the same time, then these changes might have cancelled each other out while allowing for a larger power generator. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/