I recommend polyurethane bushings.
If you change the bearings, go for the e60 flanges. That will unlock all the other rims available for the other 5...
The RTAB bracket? I used a jack and mallet to adjust the swing arm (or whatever) and matched them as close to those silver paint pen marks as I could...
Thanks, that's a great explanation. Yeah, as I've learned this cooling system I figured out that when I removed the expansion tank bleed screw it was...