Improving Gas Mileage - Toyota FJ Cruiser Forum
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#1 (permalink) Old 05-30-2012, 11:32 AM
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Improving Gas Mileage

i have 2012 FJ i would to improve my gas mileage along with performance, what are my options? Thanks

2012 FJ Cruiser- Quick Sand
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#2 (permalink) Old 05-30-2012, 11:36 AM
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Re: Improving Gas Mileage

buying a prius ...

there are no add-ons to increase mpg or performance. mostly we lose mpg due to bigger tires and lifts once you start modding.
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#3 (permalink) Old 05-30-2012, 12:44 PM
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Re: Improving Gas Mileage

Quote:
lmmmmm previously said: View Post
buying a prius ...

there are no add-ons to increase mpg or performance. mostly we lose mpg due to bigger tires and lifts once you start modding.
Don't believe what they tell you about not improving fuel efficiency.

The following will improve performance and MPG.
1 - Switch to a quality electric fan
2 - Lightweight FlyWheel if you have a manual
3 - Lightweight forged aluminum Rims.
4 - LT - HWY tires on those lightweight rims.
5 - CF or Aluminum Drive shaft


Keep your heavy stock rims loaded up with some good AT/MT tires for offroading and your DD tires on the aluminum street rims.

Rotating mass is the killer of Fuel efficiency and power. By reducing that you will notice significant gains.
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#4 (permalink) Old 05-30-2012, 12:58 PM
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Re: Improving Gas Mileage

Search. This has been discussed in depth as have the options listed above and each's pros and cons
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#5 (permalink) Old 05-30-2012, 01:03 PM
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Re: Improving Gas Mileage

Bullies

I say the cheapest mod for better gas mileage is ScanGaugeII or similar, it will tell you what you are doing wrong. As far as performance, the only proven one is supercharger, everything else is not substantial Supercharger is not avail for 2010 and up...yet.

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http://www.fjcruiserforums.com/forum...6mt-build.html

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#6 (permalink) Old 05-30-2012, 01:15 PM
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Re: Improving Gas Mileage

Drive as though you have Miss Daisy next to you. Seriously, I started out getting 24MPG HWY/Logging road combined. Then, I realized how much fun it was to drive the FJ fast down gravel/dirt logging roads, passing on the HWY...Now I'm averaging 21MPG on the same trip. Maybe I need to get a scanguage so that I have an in-your-face reminder.
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#7 (permalink) Old 05-30-2012, 02:01 PM
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Re: Improving Gas Mileage

Bone stock except rack and rails. Baby the throttle and you can see 24. I have 29000 and just got a hair over 24 on my last tank.

If you do things to improve performance, chances are you'll have trouble keeping your foot off the throttle, and mpg will suffer.

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#8 (permalink) Old 05-30-2012, 02:08 PM
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Re: Improving Gas Mileage

These guys speak only for the AT community.. Friggin Toyota and their crazy a$$ gear ratios on the manuals.. They screwed me!!!
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#9 (permalink) Old 05-30-2012, 02:12 PM
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Re: Improving Gas Mileage

LOL, as long as I see 14 I am happy
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#10 (permalink) Old 05-30-2012, 03:36 PM
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Re: Improving Gas Mileage

Its a 2 ton truck with the aerodynamics of a sheet of plywood. The amount of improvements that can be done are minimal, and any improvement is going to be barely perceptible and certainly not OMG CA$H $AVING. This is not a vehicle to own if you are on the bleeding edge of being able to afford fuel.
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