I've been able to take the car for a drive with the drag radials on it and they clear fine on the street.

I've gone over bumpy railroad crossings with no rubbing.
I've tried getting them to rub by every twist and turn that I could and no rubbing yet.

I haven't got to do any runs at the track yet because of the pinion angle being way off.
It's at 10 degrees nose down compared to the trans output shaft.
It's got a definite driveline vibration.

The new longer u-bolts and 6 degree shims showed up (along with the MSD 6AL2) Friday.
I'm hoping to get the shims installed tomorrow, other life issues have been taking up all my time.