Every time I see a site discussion about E85 or even E15 fuel and read through the details, it talks me out of farting with it. It would be interesting to know if there real benefits other than hopeful butt dyno ones.Â
In reply to David Elfering :
Then there is the matter of enforcement.Â
  How often do you see engines torn down at any event?  How often do you see fuel sampled? Do they even have the ability to determine what’s in the fuel?  It’s not just alcohol that can give an edge.Â
   Maybe because Vintage racing is gentlemen ( and a few ladies) racing each other. There is no prize money or really any advantage to cheating. In fact In 40 plus years I’ve…
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