Sorry for dropping the ball on this thread, I haven't had time to sit in front of the computer long enuff to download load and organize the pictures. Yup, I'm making progress, but it has been slow. We had hail storms and I'm in roofing, 16 hour work days... but I'll get more up soon.
Sorry folks have hail damage but it's cool that they're kind enough to help buy Duesenberg parts. The Boy (Kingsford) is interested in your trade. Almost all he talks about is "Roof, Roof"!
I have an update for you now. After getting the block back from Harkin Machine where the mains got babbited, the block sat for a month while I worked on the Hot Rod. Now I'm back on the Duesey. The block was all oily from the Hone tank at Cedar Machine, so I hit it again with the steamer to clean it up. As soon as I got it dry, it started flash rusting, so I carefully oiled the bores, without oiling anything that needed to get painted. Then I wiped down all the paintable surfaces with phosphoric acid, then lacquer thinner, then painted it with Bill Hirsh paint.
On the question of oil filtration, THe Duesenberg J has a system that would have been considered space age in 1929, if the space age had been conceived yet, which it hadn't.
Under the windage tray is a fine screen that all oil returning to the pan has to pass through. Then there is a sump cast into the oil pan to collect oil for the pump pick up. That sump is screened. After the pump, the oil goes trough a full flow cartridge filter, then to the main oil galley. That oil that enters the crank is cleaned via centrifuge, collecting solids in the sludge pockets where they remain until overhaul time.
Oil filter chrome canister visible on right side:
While I was pulling pics from the book, I thought you might like this:
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