"The end link bushings are a bit shorter on the new bar."
That little 1/10th inch or so could make a big difference in overall action, regardless of the fact that you got the hardware to line up and install.
Vikki, your knowledge beats me by a long-shot, you know that. But it seems to me this install made something get mis-aligned, so pull it off and put the old bar back on till you figure it out!! No accidents for you, pretty lady!
'68 428 HO M3 Monster, 4-on-the-floor! Need I say more?