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Originally Posted by TugOwar
Wonder if they have 3/4 ton stuff (8 lug drums/12" shoes). I want to keep the 8 lugs on my 68 and this would be a nice upgrade in stopping power, although I would dread to see the price.
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If you have a D60 8-lug FF rear axle, then I would say yes, most likely. They also should have the 2wd front drums/shoes (or rotors/pads). (Front 4x4 D44 drums/shoes or rotors/pads, too) If you have the Eaton H052 rear axle, read on.
In '94, PDB had the 12" shoes for my K20's Eaton H052 rear axle. IIRC, they could not source the drums. Nor could any local parts house or brake parts suppliers (I wasn't "online" then and haven't check internet sources since). So I've got a story. I may be wrong about the D60 application, but here goes:
My local brake repair shop/brake parts supplier found that 12" D60 8-lug rear drums fit the H052 8-lug hub and were the right height, but the H052 backing plate's curled outer lip interfered with the lip of the D60 drums. So the brake shop turned the outer edge of the D60 drum's lip to remove just enough material to let the D60 drum's lip slip inside the H052 backing plate's lip. Whalla! Replacement drums. And the D60 drums came with cooling fins, unlike the original H052. The 2 D60 drums cost $240 total then.
Turns out I prolly wasted my money. I have it on good report that one can use rear 14bFF disc brake conversion brackets to convert rear H052s to disc brakes. Apparently, the H052 and 14bFF share the same axle housing, end-flange bolt pattern. One must use the H052 hubs. Add emergency brake-equipped eldorado calipers (or other applicable calipers) and flex hose connections to the axle hard line and your pretty much done. I haven't personally done this, though. I intend to because the Eaton H052's 12" shoes are good, but 2" wide is a little skinny.