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Fuel Grade For Hemi...87 or 89 octane?

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116K views 47 replies 16 participants last post by  Scotian  
#7 ·
RAM SPORT CREW said:
^ you are correct on the 2 tanks.

On several highway trips I used 92 octane fuel and 87, the 92 showed better mileage on the evic. And it makes sense as around here regular fuel (87) contains 10% ethanol
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Exactly the reason why I only put 89 in my tank. :smileup: Besides I feel better using "recommended" over "acceptable". Just me.
 
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