Join Date: Nov 1999
Location: Central California, USA
Re: Rear Brake Drum Weights
Brake drums are like tires, some are more out of balance than others. If one does not have a weight, it is probably balanced OK and does not need a weight.
If you had a way of hanging the drum open end down from the exact center of the center hole, you could easily see which end is heavy and how much off it was. If you could put it on a bubble balancer at a tire shop, you could do the same thing. Place a sample weight on the high spot where the factory welds theirs and find the weight that balances it.
Drums can also be balanced by putting them on a front hub, friction must be minimized by removing the seal and washing the grease from the bearings, apply oil to the bearings and install on the spindle. With bearings just a tad loose to where there is minimum friction, the heavy spot will turn the drum to the bottom. Brake rotors can be done by the same method.
Check my web page for First Gen Camaro suspension info:
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67 RS 327 original owner. 1965 Lola T-70