posted
ok, this is an explanation (based on my personal results) of why it is smarter to try mid grade gasoline in your vehicle. i get tired of hearing people say "but mid grade costs too much, i aint paying 12 cents more per gallon". people such as that are just thinking about how much it costs to fill up, which really isnt thinking at all.
here we go.
in my car,
low grade (87 octane) 3.99 per gallon = 23 miles per gallon = 17 cents per mile
mid grade (89 octane) 4.11 per gallon = 30 miles per gallon = 13 cents per mile
-------------------- O o /Ż_ _ ____________________ _ _ _ ___ _ | IMA FRING MEH LAZOR BAAAAUUUGGGHHHHH \_ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ -------- Only multi-season competitor with a perfect score at every event attended. -------- 4th place 130-139.9 world finals '06 -------- 2006 nopi nationals 130-139.9 champ! -------- team kicker --------
posted
most people also dont realize that the quality of gasoline also goes down as the prices go up. mid grade now is about the equivalent to low grade 4 years ago.
-------------------- O o /Ż_ _ ____________________ _ _ _ ___ _ | IMA FRING MEH LAZOR BAAAAUUUGGGHHHHH \_ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ -------- Only multi-season competitor with a perfect score at every event attended. -------- 4th place 130-139.9 world finals '06 -------- 2006 nopi nationals 130-139.9 champ! -------- team kicker --------
posted
I use mid grade (89)...especially now that I have a new engine & they recommended it.
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go to your owner's manual or what-have-you and look up your compression ratio. Then, buy the lowest grade gas that doesn't explode before the spark plug ignites it.
If you are buying gas that is a grade above what you need, it is a complete and total waste of your money, as you gain *drum roll* absolutely nothing.
if you buy a grade lower than what you need, there are several downsides. for instance: reduced power and mpg.
This is the only difference between grades. sorry to burst the bubbles of the ones who thought otherwise, don't shoot the messenger.
I'm lazy and don't feel like explaining the calculations and making a chart for you guys. google certainly has some great info on it, try wikipedia.
now that you've gathered all that info, you can each find the appropriate gasolene for your engine, and no longer have to piss in the wind about unfounded generalizations and false rumors Its worth noting, though, that the vast majority of vehicles on the road today need only the lowest grade of gas.
posted
I use #2 diesel, none of that bio-crap either.... same 16mpg
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posted
I wish I could run on anything under 92.. I even put some 110 in my bike every now and then just for sh|ts and giggles...
Car *can* run on lower than 92, but with the supercharger, and mods done to it, the KR is a bit out of my range of liking..
Posts: 78 | From: Chilton, Wisconsin | Registered: Aug 2007
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posted
It should just depend on the engine, that would determine which octane should be used, every car/truck will have different results.. I would assume 89 octane is what your engine needs instead of the 87 if it burns it better. Wont be that case with everyone tho.
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