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----- Original Message ----- From: Jim Adney <jadney@vwtype3.org> > > Hey Simon- > > > > The other reason why I do not understand why Volkswagen AG still > > > persists with magnesium alloy in Type1/Type2 cases is that the very > > > first Type 4 engine (the 1969 "V" series which I have in my 1969 411) is > > > made of magnsium alloy just like the Type1/Type2 (and Type3) cases. > > How do you know your case is Mg? Does it actually look different, > or do you just know that the 69 cases were Mg? > > - Magnesium makes a sort of "fingernails on chalk-board" sound if scratched with a knife. Al is softer and makes a different sound. ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe