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Old 06-04-2012, 08:31 AM   #1
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anyone hypermile

Ever try getting the best mpg possible? results? I wasnt really trying , but i did a little 40 mile run yesterday,and was surprised to see i averaged 27.4 mpg. 60 mph on basically a straight flat surface.

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Old 06-04-2012, 08:36 AM   #2
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Not in a Jeep, no. Best I've gotten is 19mpg and I didn't do anything but drive on the highway longer than a normal tank

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Old 06-04-2012, 08:53 AM   #3
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Have already gotten 24, but I have the dreaded 3.21 gears. Best at about 63 mph.
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Old 06-04-2012, 08:59 AM   #4
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Basic principles, yes. Roll off the throttle uphill, accelerate downhill. Gentle acceleration and letting off the throttle in advance for stops that are planned. Try to lock the speed to 55 on flat ground. Gets me 15 average mpg, which is excellent all things considering.

Advanced principles? I'm not push starting at red lights and stop signs, or cutting the engine off at them ether.

In my Jeep, I'm not usually in a hurry to get anywhere.
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Old 06-04-2012, 09:08 AM   #5
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Did not buy me ol' jeep for mileage
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Old 06-04-2012, 09:16 AM   #6
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Coming back from the Sierras, Friday, while towing my trailer--

Several times my ECO ind showed 24.6mpg-

If I'm lyin, I'm diein

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Old 06-04-2012, 09:27 AM   #7
Really liking the Jeep...

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just don't do that crap in front of me or during rush hour...please?

Forcing everyone behind you to hypermile is a good recipe for unpleasantness.
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Old 06-04-2012, 09:31 AM   #8
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Still averaging somewhere around the low teens... no interest in fixing that. In fact, going V8 so I have the power as I don't care about the mileage.
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Old 06-04-2012, 09:38 AM   #9
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Quote:
Originally Posted by SirGeorgeKillian
Basic principles, yes. Roll off the throttle uphill, accelerate downhill
Used to do this provided there was 2 lanes so people could get around. Just got a $100 speeding ticket for the acceleration downhill so that I could coast up hill. That's 30 gallons of gas right there. No more hypermiling for me. Without it tho I average about 19-20 all day so that's not bad
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Old 06-04-2012, 09:39 AM   #10
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I didnt by my jeep for gas mileage either, but im surprised it gets better gas mileage than my my 2 wheel drive frontier did.
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Old 06-04-2012, 10:46 AM   #11
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With OEM Duelers and 3.73/auto I managed above 27mpg on several 250 mile journeys.

Kept at speed limit on freeway, used CC and avoided traffic jams, as well as drafting where safely possible behind the giant 18 wheelers. Amazing what regular intervals of 20 minutes of steady 1800rpm will do for overall mpg.

With new Kelly Safaris of same circumference it's hard to get 25 under same conditions.

My ECO and Garmin 'at the pump' GPS tend to report within a few .tenths of mpg.

On the 5 mile 'speedo check' on the freeway, I register .2 miles off from the standard markers....which is 2% error in 100 miles, adequate for my purposes.
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Old 06-04-2012, 11:16 AM   #12
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If you want a Wrangler and want to get good gas mileage, it would seem to make more sense to get a second car. There are plenty that will double or perhaps even triple the Wrangler's gas mileage.
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Old 06-04-2012, 12:06 PM   #13
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I think I tried this once, got like a mile or two better, but was catching a shit ton of turbulence.
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Old 06-04-2012, 05:18 PM   #14
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It's just too painful to drive that slow for me. I'm content to sit @ my 17 mpg average, which has come up a bit after the first 1k-2k miles from a bit over 15 mpg.

The gains don't outweigh the negatives, particularly in mostly city driving for me.

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