holyford86
Some guy with a problem
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if the rust is just light surface rust and there is no pitting or scoring at all (if you can catch a fingernail on it, it is too deep) and you can verify that you have either a cylinder head or head gasket failure, I'd clean up the surface rust, a fine scotchbrite hand pad and some wd40 should make quick work of it.
I never recommend using a scotchbrite cookie on anything cylinder head related, you can take off a couple thousandths of material in the blink of an eye and really ruin your day. Scraping with a razor blade held in your hand and following up with a wipe down with brake parts cleaner on a rag should be sufficient, discoloration on the sealing surface of the cylinder head and block won't be an issue as long as you have removed all remaining gasket traces and debris.
I never recommend using a scotchbrite cookie on anything cylinder head related, you can take off a couple thousandths of material in the blink of an eye and really ruin your day. Scraping with a razor blade held in your hand and following up with a wipe down with brake parts cleaner on a rag should be sufficient, discoloration on the sealing surface of the cylinder head and block won't be an issue as long as you have removed all remaining gasket traces and debris.