[patrickt]

Originally Posted by FredG

Interesting. If you have a carb, you are most certainly familiar with what the inside of it will look like from exposure to ethanol.

https://www.youtube.com/watch?v=UvS_D4_lF5U

You mean like this? My first primary metering block on my Holley carb was really susceptible to ethanol. Fortunately I cracked that one and replaced it with one that isn't nearly so bad. Somewhere I read that in the early 2000's Holley had a run of particularly bad metal.