[T3] Z-bar mod ala Bill Fisher

[Parker-Durost <ginpete@xprt.net>]

<x-flowed>    Last summer I rebuilt the stock Z-bar in Phillip.  This is the 
overload spring/camber compensater for swing axles  It needed a new 
bushing which I made myself with a sheet of 1/4" EP rubber wrapped 
around the steel spacer.  
   Anyway, I also added an extra rubber bumper to preload the setup and 
eliminate any lag in engagement.  I just had my Bill Fisher "How to 
hotrod your VW" open and his diagram points to the extra bumper going 
above the axles, whereas I put it below.  With the rearend sagged over 
the years this is the position that doesn't preload it while static. 
Does it matter if it's above or below?  The swing axle has a tendency 
to "jack" in the corners, which would mean I want the extra spacer under 
the axle to engage sooner, right?  The scenario the camber compensater 
works against is both inner and outer cornering wheels in positive 
camber.  Particularly the outer one which equals a rollover.  I've 
turned this around in my head for an hour now and am thoroughly convinced...

Peter Parker
'66 Square; Phillip
Portland, OR


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