Originally Posted by crossfireS2
Regular gas here is 85 octane. Yeah, switching from 91 to 89 won't make a huge difference, but I'm not going to 85. BTW, gas here is 91 (premium), 87 (mid), 85 (regular) and sits about $2.45/gallon for regular (decent compared to the rest of the country).
Where is here? I have never seen 85.
All stations here the lowest is 87, except some Sunoco's have 86.
Is you gas rated r+m/2?