I was doing some research on the website but I didn't find the answer I'm looking for... I like to try E85 on my S but Id like to know what mods are required in order to use it, I've seen videos where it says that you'll be fine using stock fuel system and I've seen some other websites saying that you need major mods on the fuel system. If anyone can point me on the right direction by knowledge or experience... Thanks...

 

You will need a standalone and a tune.