Cleaning Rust Out Of A Gas Tank With VINEGAR!!!!!!!!!!!!!!!!!!!!

a thorough wash after the vinegar with just water, dry it fast and well, then like another poster mentioned......2 stroke oil/gas mix that is heavy on the oil....slosh that around and it will "seal" the inside from rusting again.
No need to get any chemicals other than vinegar, gas, 2 stroke oil

works every time and cheap as hell
 
runmikeyrun said:
That's because the phosphoric acid chemically converts the surface of the steel and it will NOT rust again. I did a tank for a Yamaha and then it sat on the shelf in my garage for a year, with no cap on it, through summer humidity and spring thaws/condensation. Not one speck of rust. It's nice because the tank doesnt need oil, Kreem, POR15, etc.

Now THAT is an awesome tip. Thanks!
 
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