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It's ancient Aramaic. Translates to : "All your bases are now belong to us".and all 6 have same markings
I often get accused of over thinking things, that’s probably why I went into engineering. But we also learned that at some point you have to do what you know you have to do (the _____ or get off the pot thing ).I'd keep running it as is, no need to tear it down
Good choice to drive it and keep feeding it oil. I feed mine oil for several years until the blow-by was filling the cab so bad I could see it rolling back out the windows and the dog would look at me like WTF is going on!! So just keep feeding it oil they will run with a hole or two in the pistons even !!I did get this out of Nevada, who knows where it’s been, but I know the PO is out there . Come on, you know who you are. How many rigs have ancient hieroglyphics written on all six of their piston heads? Don’t be shy, we won’t ridicule you (too much ).
Thanks to all who posted, I’ve learned a lot and appreciate the thoughts and ideas, and guesses, all good!
Hard to believe anyone would go through all that trouble to actually lower an F engine's compression.Or … (to keep this tech ) …
A redneck way to reduce cylinder compression- aka dish head piston. Rather, beat-to-crap head piston.