Tire clearance issue
Most likely, the panard bar is the root cause of the axel not being centered. Having said that...it is a normal issue with non-adjustable bar, especially if the ride height is no longer stock. Either raising or lowering the body (in relation to the axel) will cause the axel to center more to one side or the other.
You can shorten the panard bar, cut/center/reweld the attachment location, cut the bar and/or add some adjustment by using a Heilm and turnbuckle?
My assumption is base on the frame being straight and squared. You might be suprised how easy it is for a frame to be tweaked, from something that you may not have noticed or that happened long ago...it might never show uop in a normal front-end only alignement. I doubt if that is the problem...most likely, what I said int he first paragraph is the cause.
I'm just tossing out a few ideas, choose the best solution according to your needs. My solution, has been to leave a little on the table, when it comes to stuffing rubber under the fenders.
One other issue that comes up is the tire aspect ratio and rim width...a 70 or 60 aspect will set the "fat" part of the oval higher in the wheel well, might be enough to miss the interference...most of the time.
<font size=-1>[ This Message was edited by: Beoweolf on 6/13/05 3:35am ]</font>