If you mix half 93 oct and half 89 oct, do you get a 91 oct in ur car??
04-14-06, 01:34 PM
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If you mix half 93 oct and half 89 oct, do you get a 91 oct in ur car??
Just saw that 5 page thread about what grade gas to put in ur 2nd IS, and it made me think of a question.................. maybe someone with some expertise in this area can shed some light on this issue?
I'm wondering if you get the same 91 octane gas as in the gas stations if you just mixed half 93 and half 89. the math works out to be 91, but is it really a 91 octane gasoline??
I'm wondering if you get the same 91 octane gas as in the gas stations if you just mixed half 93 and half 89. the math works out to be 91, but is it really a 91 octane gasoline??
04-14-06, 01:41 PM
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Originally Posted by PhilipMSPT
Mathematically speaking, yes, you get 91 octane fuel.
Where do you get 93 octane gas on a regular basis? Most gas stations serve 87, 89, and 91.
Where do you get 93 octane gas on a regular basis? Most gas stations serve 87, 89, and 91.
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04-14-06, 03:47 PM
#9
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Originally Posted by Ichigo
I live in California and some gas stations actually have 94 octane gas. Its freaking expensive, but it is available.
04-14-06, 04:12 PM
#10
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Originally Posted by 2Fast0
Just saw that 5 page thread about what grade gas to put in ur 2nd IS, and it made me think of a question.................. maybe someone with some expertise in this area can shed some light on this issue?
I'm wondering if you get the same 91 octane gas as in the gas stations if you just mixed half 93 and half 89. the math works out to be 91, but is it really a 91 octane gasoline??
I'm wondering if you get the same 91 octane gas as in the gas stations if you just mixed half 93 and half 89. the math works out to be 91, but is it really a 91 octane gasoline??
04-14-06, 04:53 PM
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in saint louis missouri i can find 93 all over the place. I think.......................
i know at least one shell gas station by saint louis university that has 93 octane
i know at least one shell gas station by saint louis university that has 93 octane
04-14-06, 05:47 PM
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The answer is yes, you will be 91 when mixing two together. Remember not to get anything higher the required octane rating stated by the manual since it does not get you anything better. You may FEEL better and want to think it is better because you pay more, but it is really not. 
04-14-06, 05:49 PM
#15
Originally Posted by 2Fast0
Just saw that 5 page thread about what grade gas to put in ur 2nd IS, and it made me think of a question.................. maybe someone with some expertise in this area can shed some light on this issue?
I'm wondering if you get the same 91 octane gas as in the gas stations if you just mixed half 93 and half 89. the math works out to be 91, but is it really a 91 octane gasoline??
I'm wondering if you get the same 91 octane gas as in the gas stations if you just mixed half 93 and half 89. the math works out to be 91, but is it really a 91 octane gasoline??
). Added octane booster, burned a portion of the fuel, and then filled up with 93.