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nkaminar · 12-21-2022, 05:56 PM

If the hub fits too loosely on the shaft it will mount too far in and the drum will rub on the shoes or backing plate. This is after putting some torque on the nut. Lots of people, me included, use the spacers available from the parts suppliers, see below. Brent has a method of checking the diameter where the bearing rides which is a different thing. Having the drum rub against the backing plate or shoes is a sure way to know that the taper at the hub and/or axle is worn.

The taper on the hub and axle should be without deep scratches and fit together tightly. The keyways have to be tight on the keys and the keys should be excellent or new. No chips on the corners of the keyways. The torque on the nut should be about 100 foot-pounds and should be checked after about 100 miles and every year thereafter. Do not drive the car with a loose hub.

As far as the drum is concerned, if it is pressed steel, throw it away and get a cast iron one. If it is cast iron, measure the ID and if it is 0.06 over 11 inches, throw it away and get a new one.

https://www.snydersantiqueauto.com/p...8129&cat=41627

12-21-2022, 05:56 PM	#3
nkaminar Senior Member Join Date: Jan 2012 Location: Western North Carolina Posts: 5,872	Re: Rear axle/drum question If the hub fits too loosely on the shaft it will mount too far in and the drum will rub on the shoes or backing plate. This is after putting some torque on the nut. Lots of people, me included, use the spacers available from the parts suppliers, see below. Brent has a method of checking the diameter where the bearing rides which is a different thing. Having the drum rub against the backing plate or shoes is a sure way to know that the taper at the hub and/or axle is worn. The taper on the hub and axle should be without deep scratches and fit together tightly. The keyways have to be tight on the keys and the keys should be excellent or new. No chips on the corners of the keyways. The torque on the nut should be about 100 foot-pounds and should be checked after about 100 miles and every year thereafter. Do not drive the car with a loose hub. As far as the drum is concerned, if it is pressed steel, throw it away and get a cast iron one. If it is cast iron, measure the ID and if it is 0.06 over 11 inches, throw it away and get a new one. https://www.snydersantiqueauto.com/p...8129&cat=41627 __________________ A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. Last edited by nkaminar; 12-21-2022 at 10:43 PM.