Alfa flexible driveshaft joints

[William O'Neill <woneill@xxxxxxx>]

Mr. Storhok makes a valid point that one should not look for a poor design 
in the Alfa flex joints just because they appear failure prone. In my 18 
year Alfa experience (two GTV-6's and a current 1976 Alfetta Sedan) the 
flex joints wore at about the rate as the u-joints on my previous cars. But 
I cannot find a single reference in my library of  Alfa manuals to the 
"operating angles" that should be maintained on the Alfa flexible jointed 
driveshafts. As any reasonably authoritative reference on driveshaft 
vibrations shows the operating angles of a driveshaft are critical to 
vibration damping and wear. These angles are the ones made at the flex 
joint by the joined shafts and are to be kept in a very tight range and 
with a preferred sign. So what are the specifications of these angles for 
the relevant Alfas?
William O'Neill
Chicago  
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