I've never tried vinegar, but I've heard it works. I don't recall for sure but seems like the guy who told me said to use apple cider vinegar. He claimed it would make them like new inside. But, as mentioned, I have not tried it myself.

Rich
1947 Loadmaster
1947 Chev. Loadmaster
1959 Chev. Viking 40

Life is short--eat dessert first!