Front Brake Drum ID - same part number - two different designs?

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Old January 15th, 2012, 11:43 AM
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Front Brake Drum ID - same part number - two different designs?

Bought all new drums for the 72 vert I'm restoring from Rock Auto - great prices, but mixed results

The rear drums I bought in the AC Delco brand - look awesome, some kind of nice preservative coating on the drums should prevent rust - at least for a while.

BUT, fronts are another story. Mine are the two piece design (seperate hub and drum) and what I received - both P/N AD8205 - look totally different (see pics). They measure very close to the same brake show width, diameter's right, and bolt pattern will work but the similarities end there. I threw my old ones out - which of these designs is the right one for my car?
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Old January 15th, 2012, 01:37 PM
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Those are from 2 different manufacturers - hence the difference.
The left one looks like someone's trying to re-invent the original design that I've not seen before.
I'd get a pair of #2, if it was me!
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Old January 15th, 2012, 01:42 PM
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Joe,

My OEM's look like the ones on the right.
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Old January 17th, 2012, 11:57 AM
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Originally Posted by Rickman48
Those are from 2 different manufacturers - hence the difference.
The left one looks like someone's trying to re-invent the original design that I've not seen before.
I'd get a pair of #2, if it was me!
Rickman - that one on the left is new - it's just been reboxed probably about 5 times by different manufacturers during stock lifts. Is that what the OE design is supposed to look like? I'll be willing to trade it straight up to anyone for one that matches the one on the right.
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Old January 17th, 2012, 04:34 PM
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The left one is a morphadite!!!!!!!!
I'd send the picture in a e-mail, and ask if they'd use it on their car!!
It'd work, but the only way I'd use it if it was 10 lbs. lighter!!
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