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Gas Mileage
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=28606		 Page 1 of 2
Author:  06 KJ Sport [ Wed Jan 16, 2008 1:47 am ]
Post subject:  Gas Mileage
I have a 06 KJ, I am interested in putting a 2.5" lift on it. For now I will keep the stock tires and wheels. What kind of gas mileage are most of you with lifts getting? Normal driving and the lead foot effect.

I am currently getting around 18mpg around town.

Thanks
Author:  Donnie [ Wed Jan 16, 2008 1:50 am ]
Post subject: 
14-15
Author:  qbracken [ Wed Jan 16, 2008 2:14 am ]
Post subject: 
Donnie wrote:
14-15


Ouch; that's pretty bad.... Does Gas Mileage typically worsen with a lift kit?
Author:  tjkj2002 [ Wed Jan 16, 2008 2:29 am ]
Post subject: 
qbracken wrote:
Donnie wrote:
14-15


Ouch; that's pretty bad.... Does Gas Mileage typically worsen with a lift kit?
Yes,and after bigger tires,and more armor(wieght).I usually get 9-10mpg's(all city driving) but can squeak 16-17 on the highway,back in SD I can average 20mpg's but it's all flat(east side) and better gas.
Author:  Wasatch15 [ Wed Jan 16, 2008 8:37 am ]
Post subject: 
When I had the Frankenlift with stock tires I was getting 19-21. Note that I have a manual transmission. Now with 245/70/16 I am getting around 18 at best and feel less torque.
Author:  nlife [ Wed Jan 16, 2008 9:25 am ]
Post subject: 
I can understand the reason for the weight and bigger tires reducing gas mileage, but why does lifting your vehicle say 2.5" reduce gas mileage?

N
Author:  tjkj2002 [ Wed Jan 16, 2008 10:57 am ]
Post subject: 
nlife wrote:
I can understand the reason for the weight and bigger tires reducing gas mileage, but why does lifting your vehicle say 2.5" reduce gas mileage?

N
From sitting higher you now have more "drag" on the vehicle going down the road.More drag=less mpg's.
Author:  Jeepjeepster [ Wed Jan 16, 2008 12:45 pm ]
Post subject: 
I get 17-19 mpg on the highway in the winter, alittle higher in the summer. I have a 3" lift and 245/70/16 Yoko A/T's.
Author:  dloc_jeep_KJ [ Wed Jan 16, 2008 12:52 pm ]
Post subject: 
ill be putting my 245/74/16 MTs on this after noon. i hope it doesnt hurt my gas mileage to bad.. the lift hurt it more than the rack though that suprized me :shock:.. i bet the tires will be worse than both of them though :cry:
Author:  CaKJFreedom [ Wed Jan 16, 2008 12:57 pm ]
Post subject: 
Frankenlift, skids, rack and stock wheels and tires I get around 16-17 if I drive normal. (which means lead foot and passing a lot of slow people). When I switch to the MTR/S it drops and I average 14-15ish. Add on the trailer and I get 10-11 with the MTR/S. All totally worth it to have the Jeep.
Author:  elephantrider [ Wed Jan 16, 2008 1:14 pm ]
Post subject: 
i got 307 miles to a tank last weekend driving all highway.

usually get around 270 - 280 miles to the takn with mixed city / highway driving.
Author:  jerbacher [ Wed Jan 16, 2008 1:26 pm ]
Post subject: 
15-16 mpg combined city/highway. MT/Rs, steel wheels, 2.5-3.0 lift, lightbar, ski rack..... probably a dirty air filter... :roll:
Author:  Prospect62 [ Wed Jan 16, 2008 1:55 pm ]
Post subject: 
With 31" tires and steel rims, a 5 speed and an engine with 90,000 miles that has never had a tune up, I got 15.5 on my last tank in 20-30 degree temps and mostly highway driving at 65mph.
Author:  tommudd [ Wed Jan 16, 2008 2:22 pm ]
Post subject: 
I never really check mine since its a Jeep and what the heck have to spend money somewhere :lol: but last weekend , ran the turnpike east across Ohio, ran around a couple of towns over there, visited Summit Racing (!!) played Ricky Racer with a couple of my friends with semis coming back and got 17.9 overall. Over averaged about 72/75, back averaged more like 80 or so
Gets way better in the summer than winter though :cry:


Tom
Author:  2006 KJ [ Wed Jan 16, 2008 2:51 pm ]
Post subject: 
stock i got 19-22mpg depending on the driving conditions.. added the light bar and L.O.S.T. 1-2 mpg.. added the lift, full armor and 32's and now getting 15-16mpg.. however mine is a 6 speed.. and the flowmaster muffler and K&N cold air did improve mpg by roughly 2 mpg
Author:  KJ04 [ Wed Jan 16, 2008 3:15 pm ]
Post subject: 
With all my extra weight and 32's, I'm getting a whopping 10 mpg in the Winter, and 12 local and 14.5 hwy in the Summer.

My Ranger 4.0 4X4 on 245/75/16's avgs. 15.5 mpg local.
Author:  DarbyWalters [ Wed Jan 16, 2008 6:54 pm ]
Post subject: 
Have the lifted/bigger tired KJs adjusted the Odometer readings for the larger tires. Probably more than 6% off...just with 235/75/16s and more the larger you go. 15mpg becomes 16.1mpg with just a 6% change
Author:  qbracken [ Thu Jan 17, 2008 2:21 am ]
Post subject: 
DarbyWalters wrote:
Have the lifted/bigger tired KJs adjusted the Odometer readings for the larger tires. Probably more than 6% off...just with 235/75/16s and more the larger you go. 15mpg becomes 16.1mpg with just a 6% change


Did the dealer do this for you? Sounds like a great way to trick the Fuel management system into giving better mileage! :)
Author:  KJ04 [ Thu Jan 17, 2008 1:32 pm ]
Post subject: 
DarbyWalters wrote:
Have the lifted/bigger tired KJs adjusted the Odometer readings for the larger tires. Probably more than 6% off...just with 235/75/16s and more the larger you go. 15mpg becomes 16.1mpg with just a 6% change


Yes, had it reset to rev. per mi. by the dealer.
Author:  jerbacher [ Thu Jan 17, 2008 1:38 pm ]
Post subject: 
KJ04 wrote:
DarbyWalters wrote:
Have the lifted/bigger tired KJs adjusted the Odometer readings for the larger tires. Probably more than 6% off...just with 235/75/16s and more the larger you go. 15mpg becomes 16.1mpg with just a 6% change


Yes, had it reset to rev. per mi. by the dealer.


how much to they charge to recalibrate? i wouldnt mind doing that so i know for sure that im speeding!
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