Posted by Jerry in Idaho [108.162.246.86] on Wednesday, September 13, 2017 at 22:10:11 :
In Reply to: OT, but flathead Octane posted by Gary in CO [162.158.69.162] on Wednesday, September 13, 2017 at 20:31:08 :
We only have two choices locally. Reg and Premium. I go to the sources that have non-ethanol, which is always premium grade. Premium grade is low octane compared to what it used to be anyway.