[TR] Trunnions later TR4 with 3 degree caster

[Dave1massey at cs.com]

In a message dated 3/14/2008 7:55:52 AM Central Daylight Time, 
adcronin at ameritech.net writes: 
> Its my recollection that TR2-3B and probebly early 4 vertical links also 
> had a finer thread and more of it than the later 3 degree links on 4A and 6's.  
> As far as the left and right hand threads goes, I have a pair off the car 
> and on the bench and if it will help, can let the list know which thread goes 
> on what side!
> 
My guess is they are right hand thread.  But if the pitch is different then 
they are not interchangeable regardless of the direction.

Dave