What Gas Do You Use?
- Thread starter Mz3Hatch
- Start date
Here in Orange County cali, since are only choice is 91. I have played around with a few stations. I have gottne better gas milage with shell 91 octane,
I use chevron next.
I have used arco, did all the tricks for better milage, coasting, stayign out of boost, not hard driving, driving 55mph in the early morning, tailgating big rigs for drafting, all the tricks, went to shell, drove it mor enormal, played a littel hit boost once in awhile, and got 15-20 more miles out of the tank.
I use chevron next.
I have used arco, did all the tricks for better milage, coasting, stayign out of boost, not hard driving, driving 55mph in the early morning, tailgating big rigs for drafting, all the tricks, went to shell, drove it mor enormal, played a littel hit boost once in awhile, and got 15-20 more miles out of the tank.
+1 - I also only use BP 93, unless I'm on vacation or something and can't find one.
I now use only "big name" brands like Exxon, BP, Sunoco. With my previous turbo car, I used Sam's Club 93 octane mostly, and when I had to take the car in because of rough idling and misfires, they found that the intakes, etc were are caked in carbon. The primary guess is that good old Sam's doesn't use good detergents in their gas, and I had 7 years of deposits that finally added up. Guess I should have used a Techron cleaner or something once in a while...
Whats all this fuss about 91 octane only? I was told by several people at Mazda that when gas started going through the roof, they re-tuned the engine. While they still say 91 only, it can in fact run the cheap stuff with no issue. I have run the 89 and 87 through it with no issue.
That said I do usually buy the good stuff, usually shell, hess, or mobil....or sometimes Peterson oil 93 octane.
-Pete
That said I do usually buy the good stuff, usually shell, hess, or mobil....or sometimes Peterson oil 93 octane.
-Pete
liquidflem
Member
- :
- MS3
I've never seen a place without 93 gas, sucks to live in Cali, i guess in that respect. Here at track days (Virginia International Speedway) they have Sunoco 98, 101, 107, 112. Would it damage the engine to put higher grade 100+ in the car? Its like $6 a gallon, but something is making me want to try some 
I've never seen a place without 93 gas, sucks to live in Cali, i guess in that respect. Here at track days (Virginia International Speedway) they have Sunoco 98, 101, 107, 112. Would it damage the engine to put higher grade 100+ in the car? Its like $6 a gallon, but something is making me want to try some
More importantly.... would it make huge flames shoot out the back or make the car top Mach 1? Cause that would be friggin AWESOME! (headbang)
MikeHTally
Member
- :
- 2008.5 Speed3, 2006 Chrysler 300C, 2003 Ram 1500
Were those people the ones sweeping the floor or cleaning the rest rooms? Boosted engines need higher-octane food. When you run the cheap stuff, the computer just pulls the timing back. The book specifically says NO 87 except to get the car to some proper octane.
CobbSpeed3
Member
I read this article that sunoco and texaco are tied for the best gas out of all the brands. Exxon is one of the worst the reason being that they use really old gas and there is alot of moisture in their gas too, they said getting 93 at exxon is like getting 91 because the aged gas loses its octane over time so i have never gotten any gas other the sunoco and texaco
Ya in the manual it doessss say you can run lower than 91...but in emergency use only and it will basically detune the engine to run on it and will take a few fill ups to get it to run in full power again.
Just think of how knock-happy these engines are now and then think of that on 87..
This is what your pistons would look like if you ran 87 all the time..
