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#1 |
Senior Member
Join Date: Jul 2011
Location: Oakland County, Michigan
Posts: 562
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It's time to change the seal that goes on my car's oil drain plug. A small amount of oil is weeping out. It looks like I can get a copper gasket like the car has now or a fiber gasket. Is one better than that other? Any preference?
Copper https://thirdgenauto.com/product/193...et-38-40-60hp/ Fiber https://thirdgenauto.com/product/193...et-38-40-60hp/ |
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#2 |
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Join Date: Apr 2019
Location: Kansas
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Personally I like a high quality fiber gasket. Copper is good, but work hardens when tightened and doesn't conform to irregularities next time unless you anneal it. Buy a handful of good fibers to have on hand, check and snug it up after a few days and it's good.
Terry
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#3 | |
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Join Date: May 2015
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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#4 |
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Join Date: May 2010
Location: Wisconsin, USA
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I believe the fiber type seals better.
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"I can explain it for you. However, I can't understand it for you". |
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#5 |
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Join Date: Aug 2010
Location: McMinnville, TN
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Fiber is what I prefer. Some prefer copper... If you use copper it will work well but you need to be sure both mating surfaces have no burs.
On a side note I see your car is a 36 Does it have a later oil pan with the large plug? If not both of the gaskets you shared would be too large if it's a original 36 pan |
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#6 |
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Join Date: Jul 2011
Location: Oakland County, Michigan
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Thanks for the heads up. I'm running a 59L block, so yes, my car should have the large drain plug. The threaded portion is gigantic, around 2 inches in diameter. |
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#7 |
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Join Date: May 2010
Posts: 4,582
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I prefer fiber. I always thought the copper gaskets needed to be replaced after each use as they take a shape and won't re-conform on the second use?
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#8 |
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Join Date: May 2010
Location: pittsfield, MA
Posts: 2,086
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I used a rubber o'ring from the hardware store. No problem over many years.
John |
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#9 |
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Join Date: Dec 2014
Location: Columbus, IN
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#10 |
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Join Date: May 2010
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#11 |
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Join Date: Dec 2014
Location: Columbus, IN
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Thought about it and I still do not recommend using a rubber o-ring to seal a joint that is not designed for it. Rubber is an elastomer and will not resist the force of tightening the plug. It may squeeze out on one side or tear as the plug is being tightened. I am glad it has worked for you, but I won’t be using one on my car.
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#12 |
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Join Date: May 2010
Location: imperial,mo
Posts: 701
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I have used copper and fiber, but my drain plug gasket of choice is leather. These are machine cut, and fit snug in the recess of the drain plug. No leaks.
Tom |
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#13 | |
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Join Date: May 2015
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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#14 | |
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Join Date: Apr 2019
Location: Kansas
Posts: 1,012
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Great and elegant solution, Tom. Well done! I'm going to do the same next oil change...thank you! Terry
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"It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" ![]() |
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