Worst Mileage ever. - JeepForum.com

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post #1 of 29 Old 04-11-2006, 08:35 AM Thread Starter
collinpyle
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Worst Mileage ever.

So I took a little hop down to the beach last night for some R&R, about 80 miles away. Before heading back I calculated my MPG at a whopping 12.1 miles to the gallon, freeway driving. Is it true? Do I in fact have the worst gas mileage of all Jeeps? I bet BESRK gets better gas mileage than me... Help!?

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post #2 of 29 Old 04-11-2006, 08:38 AM
schmoken
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If your mpg has 2 digits in it, you're doing better than me
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post #3 of 29 Old 04-11-2006, 08:46 AM
fuzz401
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I can go about 80 miles more or less on a tank of gas 15 gal 5-6 mpg

1978 cj-7 had since 1979
401 .030 over- full floating flat top pistons
crower solid cam 292 dur .500/.510 lift
turbo 400 tranny 2500 stall
model 20 transfer case
aj delux glass body
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13.461 @ 92.45 mph on 37" super swampers on 1/4 mile
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post #4 of 29 Old 04-11-2006, 09:31 AM
schvilktus
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Your trip down the beach sounds about like what I get out of mine. I can make it about 180-200 miles on a tank with mixed city/hwy driving. Also, though, that's mileage with an out of whack speedo and odometer. I haven't adjusted anything to compensate for my 33" tires, so I'm actually going further per gallon than that, although I'm not sure how much further. I'm about to make my first road trip with it since the new motor, about 350 miles through the Rockies. We'll see how that turns out.

It seems a lot of people call me a fart smeller...but we all know they really mean "smart feller."

1986 CJ-7 Laredo. 4" Superlift, 33x12.50s, one piece axles, T-5, D300, AMC 20, Jasper stage-1 258 I-6, Howell TBI, DUI ignition, Luk ProGold Performance clutch, Red w/ black hard top, one sexy cornfed boy behind the wheel.
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post #5 of 29 Old 04-11-2006, 09:36 AM
jeepdaddy2000
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There are so many variables to fuel milage. Everything from soft tires to maladjusted timing. While Jeeps are known for their poor fuel economy,there are some things you can do. First, do a good tune up. This includes the air filter. If you can, fiddle with the timing. A couple degrees advanced can make a difference. Same goes for the vac adv(didn't see a year in your sig, this might not apply). This little goodie is good for up to three MPG cruising. Also, remember, suspension upgrades will have a serous effect, especially oversized tires. One of the best mods to increase fuel milage is getting off the skinny pedal. Dropping ten MPH will do wonders for your milage. You can even enjoy the ride. Do a search on this subject. You will find a lot of info.
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post #6 of 29 Old 04-11-2006, 09:37 AM Thread Starter
collinpyle
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G'eez that is going to kill me... I mean, I knew it was bad... but c'mon, that bad? What all can I do to up my MPG?
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post #7 of 29 Old 04-11-2006, 10:07 AM
bigblackblur
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buy a prius.

there really isnt much you can do to significantly improve your gas mileage. Buy a set of road tires maybe. Remember that your driving a brick with wheels, its the price you pay to be a badass

99' Sport: 33's with 3.5" RE & 8k lbs winch
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post #8 of 29 Old 04-11-2006, 10:22 AM
MeCasa
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Quote:
Originally Posted by bigblackblur
its the price you pay to be a badass
Ain't that the truth

Sex is dirty only if it's done right .... Live and Let Live .... Rules are Boring and I Don't Like Them
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post #9 of 29 Old 04-11-2006, 10:55 AM
webdr
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Ive devised a scheme to get better gas milage...I put a funnel under my tail pipes to catch the liquid gas that flows freely out my pipes and recycle it back to the tank. Now I get 9 miles to the gallon instead of 8!

79CJ5 SOA 304 Dana20 Dana30/AMC20 Locked front&rear 36"MickeyTs......My dreams will come true soon: Dana60/14Bolt 6"stretch comp cut/flat fender TF 727/dana 300 and 38s
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post #10 of 29 Old 04-11-2006, 11:02 AM
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Quote:
Originally Posted by webdr
Ive devised a scheme to get better gas milage...I put a funnel under my tail pipes to catch the liquid gas that flows freely out my pipes and recycle it back to the tank. Now I get 9 miles to the gallon instead of 8!
I hope your joking

99' Sport: 33's with 3.5" RE & 8k lbs winch
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post #11 of 29 Old 04-11-2006, 11:09 AM
K.C.Jeep
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I don't think 12 is that bad for a CJ, that's about the best I get, even with a 258.
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post #12 of 29 Old 04-11-2006, 01:03 PM
CJ-22
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I agree. I have a 21 gallon tank and I ran it dry once just to see how many miles it would go (brought an extra gallon of gas with me ). I went exactly 207.6 miles (under 10 MPG). Collinpyle I think you're jeep is probably on the high side for CJ gas mileage.

78 CJ-7, 360, 4 inch lift, 33" tires, 4.10 gears, TH 400 tranny, quadratrac t-case, dana 30 front, AMC 20 rear with Superior One Piece Axle.
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post #13 of 29 Old 04-11-2006, 01:07 PM Thread Starter
collinpyle
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Well it's good to know that I'm on the high-side. The only reason I was expecting more was from talking to Strenk. He said he gets ATLEAST 12mpg while plowing snow. What's in his rig that we don't have?
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post #14 of 29 Old 04-11-2006, 03:08 PM
drmiller31
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i dont want to know the gas mpg of my 360 with 33's, my 01 F250 gets 13 and my xj gets 18-20.....<---- i dont know how either amazes me
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post #15 of 29 Old 04-11-2006, 05:44 PM
bigblackblur
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Well my Cj will have the 360 4bbl carb, and will be pushing 37s. Expecting maybe 8 mpg in chicago, then probably 6 or 7 at school in denver due to the altitude. Am I being optimistic? Maybe

99' Sport: 33's with 3.5" RE & 8k lbs winch
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