Hi I rescenty acquired a 1959 Oliver 550gas. It haven?t been started in 25 years but I quickly looked it over and it seems to be stored correctly. Drained coolant, empty fuel tank with a kind of sweet smell so I?m guessing it was treated and the oil looks new. I?m trying to get it out of the family barn that is going to fall over very soon. So far I?ve put in a 12v 675c battery, added fuel and stabilizer, filled coolant. Changed oil filter not oil it?s self greased it up. I tried starting by shifting to N, depressing clutch and brake lifted the bush hog that?s connected to it about 8 inches pulled the choke but it wouldn?t fire. Anyone have any tips on things I should try? I?m new to Oliver?s and well tractors lol so any info would be greatly appreciated.