I read this article at a library yesterday. Very interesting. They did a test with E10 using various metals then another using E10 contaminated with a small amount of saltwater to simulate what might happen with contaminated fuel. Test motors were small marine outboards. Specifically they were interested in preventing aluminum pitting in carburators.
Seafoam did very well and was recommended. So did Biobor & Quickstor.
Seafoam did very well and was recommended. So did Biobor & Quickstor.