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On 26 Nov 98, at 21:42, Keith Park wrote: > OOhhh Ohhh.. is there a full moon?? Jim, your slippin a little > tie rod ends ARE different... bigger studs and a coarser threads The > master.. well I cant say absolutely for sure but when I went to big brakes > and didn't change the master I had a low pedal, had to pump twice to get > it where it shold be. acted like it needed more fluid disp.. yea I had > everything adjusted and even tried 2 different masters but when I went to > the 73 master all was well and has been for 98Kmi So I cant say for > absolutely for sure.. OK.. Jim , you win the Master debate, if the > [pistons are the same dia,, it shouldnt make a difference. Well, there might be a full moon, and there's no question but what I'm slippin' a bit each day, so I went back and checked the microfilm- only because Keith is usually right! The only ball joint change occurred in 68. Earlier ones were smaller, but 68-73 are the same. Tandem MCs are all 19mm bore, but VW changed the stroke proportions at some point. These all retrofit however. I think most of the simplex MCs were also 19mm, but some of the early ones may have been larger. Does anyone know for sure? It is interesting to note that MC bores and drum brake cylinder bores are all actually inch dimensions (true dimensions are 3/4" = 19.05mm and 7/8" = 22.2mm) but disk brake caliper bores are actually metric, 42mm in our case. The reasons seem to be historical and have held true on all the makes of cars I have ever worked on. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org