Author Topic: Gas Mileage Thread  (Read 63653 times)

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Offline Jeffy

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Gas Mileage Thread
« on: March 14, 2007, 11:59:20 AM »
This is the official gas mileage thread.  So, post your mileage.  Here are some stipulations though.  Please post in the thread this additional information.

  • Transmision Type (ie., Automatic - 30RH/TF909, AW4 etc..., Manual - AX-4, AX-5, AX-15, NV1500, NV3550, etc...)
  • Engine Type (ie., F134, L134, Pontiac 151, AMC 150 Carburetor, AMC 2.5L TBI, AMC 2.5L MPFI, Chrysler 2.4L, etc...)
  • Tire Size
  • Differential Gearing (ie., 3.73:1, 4.10, etc...)
  • Speedometer Calibration (ie., Y/N)
  • List of ENGINE Mods if any
« Last Edit: February 12, 2011, 10:50:59 AM by Jeffy »
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4X4DAVE

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Re: Official Gas Mileage Thread
« Reply #1 on: March 14, 2007, 12:32:18 PM »
I average 13.76 mpg, this is taking ineffect of the tire change. I have an excel spreedsheet keeping track for the past year.

I drive mostly short distances within 5 miles, so thats why mpg is low mostly because of my gears, I need to change them.

3 speed auto
1995 2.5L
33/12.5/15
3.73
Speedometer Not Calibrated
4.0 t/b, t/b spacer, and K&N cone filter

Before on 30 inch tires and 4.0 t/b and spacer, I was getting an average of 17.1 mpg and also I think that I was driving mostly highway at that time
« Last Edit: March 14, 2007, 12:41:00 PM by 4X4DAVE »

jcsanders79

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Re: Official Gas Mileage Thread
« Reply #2 on: March 14, 2007, 01:33:41 PM »
Getting about 12-13 on my TJ. Got a 2.5L with the 3 speed auto,  4.88 gears, 33" tires, performance chip, header, 4.0 throtle body w/ spacer, K&N cold air intake, speedo calibrated

Offline SKI BOY

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Re: Official Gas Mileage Thread
« Reply #3 on: March 14, 2007, 02:02:29 PM »
18 mpg; 2.5L, at, 31x10.5, 3.73 gear, no speedo recal, 4.0L tb, tbs, hi-flow intake, jet chip, flowmaster exhaust, elect. rad. fan  :nod:
Ski Boy

" It ain't broke til you can't fix it no more "

97 TJ, AT, 31'S ON AR CAST WHEELS, 4.0L TB / TBS, JET CHIP, CUSTOM HI-FLOW INTAKE, ON BOARD AIR, ELECT. RAD. FAN, SOFT TOP!

Offline Mozman68

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Re: Official Gas Mileage Thread
« Reply #4 on: March 14, 2007, 02:30:22 PM »
usually about 17 mpg....manual 2.5L running 31's...no revised speedo but checked with GPS...4.10 gearing...no engine mods.

2009 Audi S5....what....its 4wd...sort of....

Offline chardrc

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Re: Official Gas Mileage Thread
« Reply #5 on: March 14, 2007, 05:36:06 PM »
13mpg

ax5, 4.10 gears, 31's.. speedo not regeared, 2.5l tbi.. no engine mods and leaks oil
1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

wrangler387

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Re: Official Gas Mileage Thread
« Reply #6 on: March 14, 2007, 05:55:21 PM »
This is for my 1995 2.5L with 115000 miles. I get about 20mpg, unless i go on the highway... but i dont ever do that, all city driving.

  • Transmision Type; AX-5
  • Engine Type; AMC 2.5L MPFI
  • Tire Size; 31x10.5r15 BFG a/t
  • Differential Gearing; 4.10
  • Speedometer Calibration; yes
  • List of ENGINE Mods; DIY intake with AEM filter, TBS, 4.0 TB, pacesetter header...
« Last Edit: March 14, 2007, 05:58:15 PM by wrangler387 »

lanulos89

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Re: Official Gas Mileage Thread
« Reply #7 on: March 14, 2007, 05:55:37 PM »
12ish mpg 2.5 of course 3 spd auto 3.73's soon to be 4.11's full performance exhaust (header to tail pipe) 4.0 throttle body, and cool air intake.  31's and speedo not yet recalibrated

Offline Elyod

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Re: Official Gas Mileage Thread
« Reply #8 on: March 14, 2007, 07:31:36 PM »
98' 5 spd 2.5L 4.10 gears 30" no speedo calibration.  Have gps though around 17mpg, mostly around town. 

Jesse-James

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Re: Official Gas Mileage Thread
« Reply #9 on: March 15, 2007, 12:56:21 AM »
~14mpg

2.5 auto, 3.73, 31's, orig speedo gear, 4.0TB and spacer

Offline Sidscan

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Re: Official Gas Mileage Thread
« Reply #10 on: March 15, 2007, 12:09:24 PM »


Transmision Type - Automatic - 30RHEngine Type (ie., F134, L134, Pontiac 151, AMC 150   AMC 2.5L 
Tire Size - 31x10.5
Differential Gearing - 3.73:1 stock auto
Speedometer Calibration  - No
List of ENGINE Mods if any - Bolt on 4.0 tb and tbs, PD firepower kits, champion truck 4412 plugs.
back to stock airbox.

Mostly city/hwy - little freeway.  Average mileage is 15-16. 
97 auto, 31x10.50, 4.0 tb, 1" ebay tbs

jwrape

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Re: Official Gas Mileage Thread
« Reply #11 on: March 15, 2007, 01:55:18 PM »
Average of 12-14 mpg.
92 YJ
2.5L
4.0TB
Electric Fan
33x12.50 on 15x10 rockkrawlers
5 speed (AX15 upgraded)
4:10 gears
Cold Air intake
Exhaust leak that actually helps performance. :lol:

lanulos89

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Re: Official Gas Mileage Thread
« Reply #12 on: March 15, 2007, 03:45:16 PM »
who is getting beter than 21??????

jcsanders79

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Re: Official Gas Mileage Thread
« Reply #13 on: March 15, 2007, 05:00:48 PM »
It must be the gas fairy?  I think someones math is not right :twofingers: I'm just pissed its not me!!!

dunklervogel

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Re: Official Gas Mileage Thread
« Reply #14 on: March 15, 2007, 07:44:10 PM »
14-15 mpg mostly city

  • Transmision Type: AX-5 manual
  • Engine Type: AMC 2.5L
  • Tire Size: 32x11.5x15
  • Differential Gearing 4.10
  • Speedometer Calibration: N
  • List of ENGINE Mods if any: None
« Last Edit: March 15, 2007, 07:54:58 PM by dunklervogel »