11" front drums, no fins.. Wheels/tires checked by multiple tire people.. Balanced on coats type balancers..

Yes, the "zone" comment on here makes sense.. It is a speed the car seems to "settle" into..

IF they were out of Round would they not get worse as speed increased?? As said above 41 ( and under 37) car rides great..
Tires are radial TA's....

Again, not a constant shimmy...comes and goes within a couple of seconds....