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Dstraw2011 02-22-2012 12:07 AM

Needing better gas mileage
 
2006 Jeep Grand Cherokee Limited, 4.7 v8
any ways to get better gas mileage without spending a fortune?

Escape 02-22-2012 12:18 AM

Re: Needing better gas mileage
 
What MPG are you getting and are you doing it with a pen and paper or using the EVIC?

Dstraw2011 02-22-2012 08:08 AM

Re: Needing better gas mileage
 
I havent really cAlculated anything yet. But its suckin the fuel

SRTDZGN 02-22-2012 12:54 PM

Re: Needing better gas mileage
 
Whats the average? My evic ranges anywhere from 12.7 to 15.9. Whats the easy way to calculate w pen and paper?

SoCalMoparWK 02-22-2012 01:53 PM

Re: Needing better gas mileage
 
K&N intake, Superchips programmer, exhaust...

Escape 02-22-2012 02:07 PM

Re: Needing better gas mileage
 
Miles traveled vs gallons used.

Get a log book.

Fill up your Jeep.
Reset your trip meter in the EVIC
Drive till you need fuel again
Fill up your Jeep
Look on your receipt and it will tell you how many gallons it took to fill it up
Look at your trip meter in the EVIC
Divide how many miles you have traveled by how many gallons it took. = MPG

Repeat if desired

IDOCTCC 02-22-2012 03:00 PM

Re: Needing better gas mileage
 
I put in an Airaid and DS on 87oct tune but use 89 and it jump me about 2-3mpg on the highway. Was getting 17-18 but now I can touch 20-21 going 60-65. Around town I'm screwed 13-15mpg. I also replaced the egr at the same time so that could have helped as well. FYI thats babying the Hemi which is hard to do.

TJXJWJ 02-22-2012 08:09 PM

Re: Needing better gas mileage
 
make sure your tires are inflated exactly as they should be, and drive like there's a raw egg between your foot and the pedal. That's usually good for a few mpg's, and it's free. Other than that, make sure you're up on your maintenance. Then the rest of the recommendations that have been mentioned would be your next step...intake,exhaust, etc.

SvenskaJeepGuy 02-22-2012 09:39 PM

Re: Needing better gas mileage
 
sell your jeep and buy a small car?

mjl2610 02-22-2012 10:05 PM

Re: Needing better gas mileage
 
There is really nothing you can do to get anything better than a mpg or two to be honest. If you look at my sig, you will notice a picture link to my fuelly page. You can check that out and see my lifetime averages of mpg and cost for fuel. With over 34k miles tracked, id say my numbers speak for themselves.

Dstraw2011 02-23-2012 06:13 PM

Re: Needing better gas mileage
 
Ill prolly just drive jeep on weekends and buy a new motorcycle for work.

FlyinRyan 03-21-2012 07:33 AM

Re: Needing better gas mileage
 
Bored or Ported TB will typically help mileage some, usual gain appears to be ~1MPG, I've heard as much as 2.5 (NikonKiem's results). If you were to drive 600 miles a week and gain 1 MPG with gas being 4.00/gal, you'd make your money back in about 15 weeks. Of course, as gas goes up (and it will go up this summer), that timeframe will decrease.


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