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Which octane do you guys run in your HEMI's?

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Old 10-21-2009, 01:42 PM
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Default Which octane do you guys run in your HEMI's?

I was just curious to see what you guys run in all your HEMI's. I have a 2007 QC 1500 4x4 and I run Shell V-Power which is 93 octane where I live. I read around and some people recommend using mid-grade which is 89 octane. What's your guys opinions and thoughts? I don't mind paying the extra for premium but if it's better running 89 then I'd switch, I just want whatever is best for my engine.
 
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Old 10-21-2009, 01:44 PM
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most guys have programers that tell them what oct to run like SC performance tune is 91 ect
guys without run 87 or 89
 
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Old 10-21-2009, 02:38 PM
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89 w/out a programmer.
 
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Old 10-21-2009, 02:43 PM
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I run 89 as well.
 
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Old 10-21-2009, 02:51 PM
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89 without a programmer, 93 with
 
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Old 10-21-2009, 02:55 PM
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I don't have a programmer and don't plan on buying one, is it good or bad that I'm running 93? Should I bump it back down to 89 since I don't use one?
 
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Old 10-21-2009, 02:57 PM
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dodge actually recommend 89 for the hemi's in the owner manual. i run 91 w/ a tune.
 
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Old 10-21-2009, 02:59 PM
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i don't know if it hurts or not. some people say you are throwing away money though. in tulsa, ok gas prices go up in .10 increments so on our 26 gal tanks it would cost 5.20 more per tank if you could get a full 26 gal in there.
 
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Old 10-21-2009, 03:04 PM
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Sometimes I use 89 and sometimes i use 87. It depends on the cost of gas + how much i need + how much money I got.........LOL
 
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Old 10-21-2009, 03:05 PM
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Originally Posted by weedahoe
Sometimes I use 89 and sometimes i use 87. It depends on the cost of gas + how much i need + how much money I got.........LOL


I usually try to use 89, but If money is real tight I will put in 87.
 


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