[TR] TR3A front suspension geometry

[DLylis at aol.com]

I came across the following article from Classic Motorsports
_http://classicmotorsports.net/articles/turn-triumph-turn/_ 
(http://classicmotorsports.net/articles/turn-triumph-turn/) .
 
This interests me as my TR has the capability of cruising at highway speeds  
with the new cam and OD and its apparent love of 3000 - 4000 rpms.  (4.10  
differential). With zero caster and a -hair of camber one might want to pay very  
close attention while cruising.
I am running 185 HR 15 Vredesteins and I can't help but think that these  
improvements that Tim Suddard suggests will make highway trips more  comfortable. 
 
Switching to TR6 upper arms and ball joint confuses me a bit though.   If you 
use the TR6 setup and shim the ball joint to the rear as is suggested for  
positive caster, won't you cause binding in the upper fulchrum pin to upper arm  
joint?  It would seem to me that you would need to machine of  some of  the 
rear of the ball joint upper block where it connects to the upper arms  and 
then shim the forward area to move the axis of the ball joint to the rear  and 
therefore tip the vertical link to the rear resulting in positive  caster.  
Simply shimming would spread the upper arms apart more than is  stock, and that 
does not seem like a good thing.
Am I missing something?
 
David  Lylis
69 TR6 CC26160L
60 TR3A TS74461LO
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