race Gas + 91 = ??

2748 Views 22 Replies 13 Participants Last post by  Bignmz04
So I found a station right by my house that has all the way upto 122 leaded and methyl fuel

My question is what happens if I add 122 leaded fuel into my 91 unleaded?
Will this do anything on performance or will it screw with my car?
1 - 1 of 23 Posts
no e85 fans?
1 - 1 of 23 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.