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Originally Posted by mpg9999
I'm guessing with both arms you would get more adjustability and stronger arms? Greg also used heim joints there, while the ingalls uses either rubber or polyurethan. How would the NVH be using the Heim joints? Also, I have read that the trailing arm is really not needed to locate the knuckle. Its there just to add strength. So, with stronger tubular arms, would it be possible to completely ditch the trailing arm since it binds?
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I can't imagine the b13 suspension working with out the trailing arms. It would move forward or back at any time. The binding you are referring to would be eliminated to a great degree by that double heim joint arm setup. The arc of those two arms is up and down. The trailing arm moves in a arc. This pulls the arms forward and back as it moves. The ES bushings in particular resist this forward and back movement. Those Heim joints would allow it to move freely forward and back so binding would be eliminated.
On my S13 Heim joints have not hurt the ride. They actually helped the ride greatly when paired with ES bushings as they elimated the binding in my multilink rear suspension as well.
To get some extra clearance in the rear at the hub and then getting the camber back at the arms would not change the track too much. It just depends on how much you try to adjust the top.
That arm should be legal in a lot of classes as it does not use metalic bushings.
