Originally Posted by 66GMC
Regular and "mid-grade" fuels here "may contain ethanol".
Premium uleaded, (92 octane) I have been told, does not.
I do not know where you heard that but in NY they use 10% ethanol on 93 octane gas. Every time I put away my Chevelle during the Winter and by the time I bring the car out in April and try to run the electric fuel pumps the car had fuel leaks on the steel braided line in the engine compartment. I had replace with new steel braided line every year.