 Removing oil galley plugs, drilling and tapping |
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| 930cabman |
 Dec 9 2023, 05:55 PM
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Advanced Member  Group: Members Posts: 4,074 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States 
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I have looked and looked and have not found any information.
Please enlighten us with this process. I have a pile of 3/8" aluminum pipe thread plugs TIA |
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| Superhawk996 |
Dec 10 2023, 05:59 PM
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#2
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914 Guru Group: Members Posts: 7,044 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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If you do machined plugs like OEM there would be no sealant - just a shrink fit. But holes and plugs need to be smooth and round - no coarse machine tool marks.
Let me be totally transparent - I have not done machined plugs myself on a T4 engine. When I heat the case for the aluminum NPT plugs I use an oxyacetylene torch with a rosebud head heating locally then quickly insetting the frozen NPT plug - this achieves a shrink fit as well. |
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| 930cabman |
Dec 11 2023, 06:01 AM
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#3
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Advanced Member Group: Members Posts: 4,074 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States
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QUOTE(Superhawk996 @ Dec 10 2023, 06:59 PM)  If you do machined plugs like OEM there would be no sealant - just a shrink fit. But holes and plugs need to be smooth and round - no coarse machine tool marks. Let me be totally transparent - I have not done machined plugs myself on a T4 engine. When I heat the case for the aluminum NPT plugs I use an oxyacetylene torch with a rosebud head heating locally then quickly insetting the frozen NPT plug - this achieves a shrink fit as well. thanks for the info, I will be giving this a try on the next build, coming soon. |
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Posts in this topic
930cabman Removing oil galley plugs Dec 9 2023, 05:55 PM
Superhawk996 Now you did it by mentioning aluminum plugs which ... Dec 9 2023, 06:14 PM Geezer914 Are you rebuilding the engine or just replacing th... Dec 9 2023, 06:19 PM
930cabman
Are you rebuilding the engine or just replacing t... Dec 10 2023, 07:14 AM Superhawk996
Are you rebuilding the engine or just replacing ... Dec 10 2023, 08:18 AM 930cabman
[quote name='930cabman' post='3117123' date='Dec ... Dec 10 2023, 10:21 AM bkrantz And make sure the openings (and plugs) are CLEAN b... Dec 9 2023, 10:35 PM MikeK It's been a while since I did this, but I reca... Dec 10 2023, 10:19 AM 930cabman Had a couple minutes and was able to pull 4 plugs ... Dec 10 2023, 02:14 PM |
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