Are my expectations too high?

B3422w5 said

I have had those exact gaskets on my 360 the past 3 years. It gets raced a lot. Zero issues. You have something else going on

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As stated in the thread above, I put Fel-Pro’s on the engine and the problem went away. I ran the Ultraseals twice before and never had a problem. This time I did. Sh!& happens.