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620 brake drums


Steroid

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Well, after sandblasting and painting a set of drums (the ones with the most "meat" left on them) the other day, I placed them on the rear today of Choptana. They don't seem to set just right. Then trying to remove them I noticed that the telltail threaded removal holes are not there. Bummer! So these must have been front drums. Now My question: are the front and rear drums EXACTLY the same? If so I plan to drill and tap the removal holes but if that is going to be a waste of time, I'll just get a rear set and sandblast them to install. The distance on ALL to give maximum "meat" was 10.058 indicated on all My hubs. But I didn't notice the holes not there. If they are front drums, as I suspect, will they work on the rear? Thanks ahead of time.

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Mike, as far as I know the drums are all the same...I replaced all 4 on Ol Yeller when I was buildin him coupla years back...they came w/out the holes...all ya gotta do is lay em out and drill and tap..no big deal...in fact, I drilled mine 1/4-20 cause that was more common than metric...easier to find a coupla 1/4 20 bolts than 10 x 1.50 or something...go fer it...

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Mike, as far as I know the drums are all the same...I replaced all 4 on Ol Yeller when I was buildin him coupla years back...they came w/out the holes...all ya gotta do is lay em out and drill and tap..no big deal...in fact, I drilled mine 1/4-20 cause that was more common than metric...easier to find a coupla 1/4 20 bolts than 10 x 1.50 or something...go fer it...

 

same here, I had a set of fronts on the rear of my 73, all I did was drill and tap them myself

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The front and rear drums are listed as the same part number in my raybestos book.

 

You might consider just buying two new drums. They are rather inexpensive if i remember correctly. Hardly worth the effort of sandblasting old ones.

 

I have used front drums on the rear before. Truck needed one front drum and one rear drum. I put two new on the fron and the one good front onto the rear. Ive done this to several 620's.

 

A little antisieze around the center hole of the drum, and you wont need the threaded holes next time.

 

Jason

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