I saw a ‘73 Camaro rust-bucket burned down to barenaked steel using ‘Original Coke’. Full strength, undiluted!
It was a learning moment for me...
:^)
Wow. Wonder what it does to us.
;)
I’ve used vinegar to clean out a motorcycle gas tank.
The tank had a fair amount of rust in it so I experimented with a few things but never tried Coke.
Metal Rescue is some great stuff.
Electrolysis works, at least in my case it did.