I have noticed that my gas milage has really decreased over the last month. My question is if you put the highest grade gas in your car would you get the same milage as putting the lowest grade gas in the car (filling the car completely, both times)? YES, I know these may be the stupidest question ever asked in these forums but I'm really interested to know if there is any difference.
Looks like I'm going to have to hunt down those champion gold spark plugs sooner then I wanted (money wise).
Looks like I'm going to have to hunt down those champion gold spark plugs sooner then I wanted (money wise).
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