Drained the likely decades old fuel from the carbs. Only two of the four bowls had liquid drain out. The fuel tank has two petcocks, one for two carbs and the other for two carbs. So fuel equally appears to have drained out from each side where the petcock delivers fuel.
Filled the carburetor with wd40. I will let the wd40 sit in the carbs for 72 hours. I also placed a generous amount of wd40 on top of the heads where the spark plug mounts. Super happy to have bought a $5 turkey syringe from the cooking section at Wal Mart. This made placing the wd40 into the fuel lines enroute to the carbs super easy and very clean.
Started to de rust the gas tank. I am using vinegar. Lots of choices out there. After a ample amount of research, which a heavily rusted tank, the vinegar seemed like the best course of action. I looked at the non toxic non acid rust removal products. They seemed great but plenty of reviews, if one looks, state the non acid products did not remove the rust from fuel tanks.
I debated when to start this. Most people go 48 hours of vinegar treatment. I was out of town for five nights, so waited to start the vinegar process. Some comments was extended vinegar exposure gould eat to deep into a gas tank.
After 48 hours, I will rinse the tank with water, than rinse again with five gallons of water and five cups of basic soda, the dry inside of tank with a hair dryer, then coat tank with three cups of wd40. Then I will drain wd40 and install replacement petcocks.
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