Ethanol? - NoPistons -Mazda Rx7 & Rx8 Rotary Forum
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2nd Generation Specific 1986-1992 Discussion

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Old 06-12-2006, 09:00 PM   #1  
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I heard something about Ethanol blending getting pretty involved, but I THINK I read somewhere that Ethanol is a Rotary killer?
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Old 06-13-2006, 04:54 PM   #2  
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Use water and methanol.
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Old 06-13-2006, 05:42 PM   #3  
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ethanol is already in the gasoline you have been driving your car on for years...
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Old 06-13-2006, 05:50 PM   #4  
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yes, I know, but they're increasing the amount put in.



Bottom line: s'this bad?
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Old 06-13-2006, 08:22 PM   #5  
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well, ethanol has a tendancy to eat up seals, rubber hoses, and other things that werent made to withstand large concentrations of it.



I dunno about any of the main seals in the rotary specifically tho
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Old 06-13-2006, 08:33 PM   #6  
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WEll ****.... ive been puttin ethanol blended gasoline for ages...



Its a turbo so i put premium with at least 10% ethanol quoted to be in the gas.... hope this **** aint bad.
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Old 06-13-2006, 09:11 PM   #7  
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I wish I could remember where I read that Ethanol is bad for Rotaries. Obviously the information exists somewhere or else I wouldn't have gotten scared when I read it was going to be increased...
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Old 06-13-2006, 09:27 PM   #8  
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just like extended life anti-freeze is bad also
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Old 06-13-2006, 10:07 PM   #9  
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10% ethanol is a pretty normal mix, and has been for a long time, it shouldnt give you trouble... i thought you were referring to some of the 85% mixes that have been coming out. Those blends require the special rubber and materials for the fuel system.
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Old 06-13-2006, 11:25 PM   #10  
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okay, well then thats good to know.... heh scared me for a moment there.
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