sealant

Hi, all appreciate in advanced any advice that can be sent my way. I will go back and look at other posted items on this topic. Started back in 2019 I was originally told after my check engine light came on that I needed a new transmission… I got one… then they told me it wasn’t my transmission...

Has anyone fabricated a gasket for the COPs Cover after finding that the new COPs were fractionally too tall? Wondering what gasket material would be best to use. I want to be sure that no moisture or oil can get past the covers and cause another COPs and/or plug failure. I was thinking of...