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General Category => General Discussion => Topic started by: guzzista on April 27, 2018, 07:38:23 PM

Title: Love those copper gaskets
Post by: guzzista on April 27, 2018, 07:38:23 PM
Just recently I had the heads and barrels off my LM1 to deal with oil blowing past the rings. At the same time the heads were refreshed with new guides, a valve regrind etc. I reassembled with copper gaskets and I am very pleased with their stability as  after 3 torque checks/retorque, the valve adjustment specs are super stable. I have used copper gaskets before on my brit bikes with good results so I am not entirely surprised. The site I got them from is : http://www.coppergaskets.us/ if anyone is interested. The gaskets they show so far are for roundfins, but the site states they would make gaskets upon request. I got mine from their Ebay store. No affiliation, just passing info to fellow guzzisti
Title: Re: Love those copper gaskets
Post by: mcdammitt on April 27, 2018, 07:47:42 PM
Why did the manufacturers get away from the Copper head gaskets?
Title: Re: Love those copper gaskets
Post by: Chuck in Indiana on April 28, 2018, 05:57:23 AM
Just a guess, but copper is expensive. <shrug>
Title: Re: Love those copper gaskets
Post by: bigbikerrick on April 28, 2018, 11:23:34 AM
What thickness head and base gaskets did you use? They have quite a selection of thicknesses. I like the fact that they are re usable. Some times I have wanted to pull a head for this or that reason, and have hesitated due to the gaskets not being re usable.
Rick.
Title: Re: Love those copper gaskets
Post by: guzzista on April 28, 2018, 12:12:00 PM
The ones I used are .042. Round fins ( 89mm) and square (92.7mm) are offered. The round fin 83 mm is not  offered or the smaller  square fin type ,but , with a sample they should easily be made up as well as other thickness  sizes. They are in Phoenix so turnaround  should be fairly quick (?)
Title: Re: Love those copper gaskets
Post by: Rough Edge racing on April 28, 2018, 01:07:34 PM
 Copper gaskets do not compress like composite gaskets..