[Coupe5oh]

Tell ya what, i know 93 octane smells alot stronger than 87 octane, my dad works on gas pumps, i used to help him when i was younger, you would be surprised bye how much water those in ground tanks hold on the bottom of the tanks, i think it is 8 inches where the sub pump picks up, I checked water levels before, and found up to 7 inches of water.....not good, so I try and choose a well established company that you know maintains their equipment, such as chevron, texaco, ect...I have gotten bad gas before at some quicki mart, luckily that was not ran through my mustang, down here the agriculture department just checks the calibration of the actual pump, not gas quality, that is probaly inspected once it leaves the refinery.

I hear the fresher gas is, the better, more accurate the octane is, I sometimes see a truck dumping fuel in the ground at a store, i try and get gas there the next day.

I only run 93, sometimes vp 99, cuz timing is at 16* 99 octane doesnt improve, or degrade performance in my car, it just insures me i wont lose a gasket to detonation, really good to run on a hot day.