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| 85 or 87 Octane? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=27&t=12726 |
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| Author: | Phil T [ Fri Sep 22, 2006 10:00 pm ] |
| Post subject: | 85 or 87 Octane? |
I saw a thread on this in the general forum. Just wondering what everyone is using around here. I have been using 87 mid-grade since new. Since we now get to pay more for gas then the rest of the country  (Ohio is running around $2.00 per gallon!!) I was wondering if it is worth it to continue to pay for the 87 octane?
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| Author: | Skyjump136 [ Sat Sep 23, 2006 1:05 am ] |
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I've always used 85 in the KJ...no problems to date. |
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| Author: | pinecone [ Sat Sep 23, 2006 1:46 am ] |
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So far the Jeep has digested the cheapstuff with no worries. 
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| Author: | Brigrat [ Sat Sep 23, 2006 11:53 am ] |
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I bought my jeep in CA, where the options were 87, 89, and 91. When I moved to NM, the options were 86,88, and 90. I just figured that with the CA emissions package I better go 88...was I wrong? |
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| Author: | Skyjump136 [ Sat Sep 23, 2006 5:40 pm ] |
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Not sure about the CA emissions, but in Colorado you can get away with the lower octane fuel because of the higher elevation. |
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| Author: | Brigrat [ Sun Sep 24, 2006 2:27 pm ] |
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I am at about 3600 Feet, how high are you? |
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| Author: | broncsrule [ Sun Sep 24, 2006 2:35 pm ] |
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Denver is at 5280(Mile High City). Skyjump is "down in the Springs", elevation of 6035 ft. |
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| Author: | Kugellager [ Sun Sep 24, 2006 6:07 pm ] |
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And when we do our runs out here in CO most are on the 7000-11000ft range. Our manual recommends mid-grade if we are towing or driving in mountainous terrain. I use 85 most of the time but use 87 octane (or top off with 91 to split the difference) when I go into the mountains. I have noticed a difference when going up the steep grades along I-70 and other roads. I had a tank full of the 85 octane one time and the Jeep seemed a lot more sluggish going up Floyd Hill on my way up to Jones Pass. I have made this runs a few times which is why I noticed the difference. John ];') |
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| Author: | RkyMtnKJ [ Mon Sep 25, 2006 11:26 am ] |
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85 when im along the front range but 87 is as low as we get in Durango..no problems to date just my gas mileage...wish there was a throw up icon..
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| Author: | Tokyojoe [ Mon Sep 25, 2006 2:28 pm ] |
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How's this? 
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| Author: | broncsrule [ Tue Sep 26, 2006 12:53 am ] |
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Quote: Quote: I'm not "down in the Springs." I'm down in the "Rock"...Castle Rock. About 6500 feet here. Close enough...You can spit on the springs from that "rock" 
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| Author: | blake1827 [ Thu Nov 09, 2006 11:22 pm ] |
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At altitude the octane can be reduced, I used 85 in my '98 TJ for years. But now I have a CRD http://www.chevron.com/products/prodser ... tane.shtml |
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