Quote Originally Posted by Scott Larson View Post
From the things I've heard and seen, ethanol can attack certain plastic and rubber parts used in the fuel system of older vehicles, degrading them to the point of failure and subsequent leaking or seizing as in fuel caps...
Think methanol has anything to do with my fuel cap seizing up on my other truck???

Also, I'd switched over to regular 87 after I'd recently read I could use it instead of 91 or 92...so had been running 87 for a few weeks before it seized up.....