No Mechanic Can Figure It Out

I’ve asked many veteran mechanics and no one can figure out how this happened. I bought a 79 year old airplane that has been abandoned for over 7 years how much will it cost to fix? All my merchandise is here: https://www.savethe310.com Follow me here as well: Facebook:   / jimmys-world-104845438518777   Instagram:   / therealjimmysworld   Contact me directly with business inquiries or if you have an abandoned airplane that needs saving: therealjimmysworld@gmail.com 0:00 Penelope 2:42 The Beginning 5:27 #1 cylinder 8:58 cheaper than I thought 10:48 Metal in the exhaust 13:50 marvel mystery oil trick 16:58 really bad fuel line 20:35 2 stripped screws... 22:45 another marvel mystery oil test 25:11 cancer corrosion 27:39 How much it's going to cost 30:37 Found the damage 34:41 final repair estimate