Need Help Finding a Post or Related Information

A while back ( don't exactly remember when ) i saw either a post on this forum, or i might have just stumbled onto somewhwere else on the internet. Something tells me it was here though. Anyway, it was about painting the engines on an Su-27. I thought that i bookmarked whatever it was but when i was looking for it the other day i couldn't find it. I was hoping maybe someone knows what it is that i'm talking about or where i can find it. i remember that the author talked about tinting the metalizers with blue and yellow, and he used oils to show hydraulic leakage. there was a few pictures with it. but thats about all i can remember. any help would be greatly appreciated.