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06MAGRT
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What's everyone running these days? I know the manual does not recomend higher than 89. But is anyone running higher. Any diff?

Cheers.
 

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Why throw money away? I've used 87 octane from day one in my RT and it's never pinged once. Runs fine. I've not found a reason to give the oil companies any more than I have to.
 

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Run what the owners manual says. Anything more just wastes gas. I've heard it takes 2 or 3 tanks for the cars computer to figure out what you are using. Computers shouldn't have to think!! ROLL TIDE!!!!!
 

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I live at 4800' altitude and most of my driving is over 4000'. 87 octane runs great. If I go closer to sea level, I will probably switch to 89.
Howard :gr_patrio
 

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Mine runs good on 87, better on 89, and the best on 92, at least in regards to power, but it still has good power whatever I run. I usually switch depending on what the price is or what I'm going to do I.E. long, easy trip, 87 is fine, want more umpf, 92. I've also had the best luck running Chevron.
:}
 

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Not to say anything, but the car is not designed to run anything over 89..92 is pretty much a waste of money..IMHO
 

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Hemi Driving Pastor!
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I run 87 here in the desert and my RT goes like crazy....which is good. I throw in a tank of 89 once in a while if I find a station that has it at a good price, but usually 87 is my way to go.
 

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I run 87 in Ga and am at sea level every-other weekend and I get better mileage w/87 and no power difference than anything else. Tried all grades as comparison
 

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I've never run anything accept mid grade because that's what the manual recommended. I haven't had anything to complain about yet.
 

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The manual for my 05 Dodge Ram 1500QC Hemi calls for ONLY 87, they warn against using 91/92 octane. I just picked up our 05 Magnum today and noticed the 89 requirement. Be curious to know the tuning differences between the two engines.
 

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Florida Magnum RT
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Use only the 89 octane, you can use 87 octane and never hear the engine ping because the computer will retard the timing. Hence you will lose a bit of power.

Follow the manual........................

Using 93 octane is just wasting your money, car will NOT go faster.

Bob
 
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