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The current engine rebuild (XS1) I noticed had 8 copper washers under the acron nuts holding the head together. I am going to use sealing washers on the outer but is it OK to use the cooper washers on the inner four?
Bill
 
The current engine rebuild (XS1) I noticed had 8 copper washers under the acron nuts holding the head together. I am going to use sealing washers on the outer but is it OK to use the cooper washers on the inner four?
Bill
I sure hope so! Because that’s how I did mine.
 
I use brass washers on my engines, so far no problems.
I think the copper washers need to be annealed before reusing.
Slightly different, but I used copper header gaskets on my old hot rod pickup. When I had to remove the headers for something, I would anneal them. It makes copper soft as buttah'.
 
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