mystery part

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lowgearfarm
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Posts: 54
Joined: Sat Apr 06, 2019 9:01 am
Zip Code: 03227
Tractors Owned: '49 Farmall Cub
'79 Kubota B7100
Location: Sandwich, NH

mystery part

Postby lowgearfarm » Tue Jul 23, 2019 10:24 am

While I've changed the engine oil and filter more or less regularly since buying my '49 cub #59016 in 1976, I had never done a deep dive into the engine oil filter canister until last week. I found this mystery part in the sludge. It looks like cast iron, machined on the inner circumference. It's similar to a broken valve seat, but doesn't have quite the right cross section. My best guess is that it's a scrap from the original manufacturing machining of the block. I've never had the head off. Bought the cub from a local dealer with no written repair history. It doesn't keep me awake at night, but I keep wondering wazzit?
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Waif
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53 F-Cub W/Loader.
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Re: mystery part

Postby Waif » Tue Jul 23, 2019 3:18 pm

Just a bonus scrap from cleaning up a casting ,maybe.

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Rick Spivey
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Re: mystery part

Postby Rick Spivey » Tue Jul 23, 2019 5:27 pm

I don't think that could have migrated to the filter canister, so either a previous owner dropped it in there somehow, or it was in there from the start. No idea on what it exactly was to start with, so I'll go with some residue from the block machining process.
Rick Spivey
'52 Cub ("Great Personality") 148xxx
'48 Cub with FH ("Gunny Cub") 38xxx
'57 Lambretta (a slow work in progress)
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BigBill
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Re: mystery part

Postby BigBill » Tue Jul 23, 2019 5:58 pm

Filter top gasket? Block machine unless it was rebuilt sloppy but I doubt it. Rubber will harden due to heat.

I grew up mopping out filter canisters when I worked on the old Chrysler’s, jeeps now the IH stuff will follow me to my grave.
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

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lowgearfarm
Cub Star
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Posts: 54
Joined: Sat Apr 06, 2019 9:01 am
Zip Code: 03227
Tractors Owned: '49 Farmall Cub
'79 Kubota B7100
Location: Sandwich, NH

Re: mystery part

Postby lowgearfarm » Thu Jul 25, 2019 8:51 am

The general consensus seems to be that it's a piece left over from the casting of the block - it IS pretty obviously cast iron. Exactly where it came from and how it got into the filter canister will remain a mystery. One observation is that it may NOT have been a result of sloppy cleaning of the original casting, but instead, the piece may have broken loose after a few years of running. Thanks to all (above) for helping sort out my "mystery part".
~Ned at Low Gear Farm


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