Oversize tires? Wanna stabilize your MPG? Take a look!

LINY4Runner

LINY4Runner

New member
iPhone. Solving life's little dilemmas, one app at a time.

So I've been tracking my gas mileage for a few months using the 'Gas Cubby' app. I tested fuel mileage with the 31x10.50R15 tires, and continued tracking it after switching to the 285/70R17 tires.

If you look at the graph below, there's three stages. The first stage is with the 31" tires, where I averaged 14.5mpg. The second stage was with the new 285/70R17 tires. The third stage is what interests me...

For the third stage, I have been driving with my ETC PWR mode on. The longer shifts kept the engine in a more optimal powerband, thus making it easier to turn the oversize tires, and in turn yielding better gas mileage as well. I suggest everyone tries it to stabilize your fuel mileage and make your consumption more consistent and predictable.

 
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yes, bless the iphone. I'm actually on mine right now.

I have another application called tankbuch. I have been documenting my fillups for about 6 thousand miles now and have attempted ect on and off.

needless to say, within the first two fill ups, I knew to use ECT power all the time. like you said, better mileage, and a nice little kick to make my slow ass 4cyl go faster.

ectftwlol
 
ChildrenOfBodom said:
yes, bless the iphone. I'm actually on mine right now.

I have another application called tankbuch. I have been documenting my fillups for about 6 thousand miles now and have attempted ect on and off.

needless to say, within the first two fill ups, I knew to use ECT power all the time. like you said, better mileage, and a nice little kick to make my slow ass 4cyl go faster.

ectftwlol
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Yeah I'm on my Blackberry now, gotta love technology.

So turning the ECT power switch on improves gas mileage and kicks up the acceleration a little bit? I'll have to make sure to start using my ECT then.
 
david_ray320 said:
Yeah I'm on my Blackberry now, gotta love technology.

So turning the ECT power switch on improves gas mileage and kicks up the acceleration a little bit? I'll have to make sure to start using my ECT then.
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i don't think it improves the MPG, as the average is about the same...i think it just helps make it more consistent and predictable
 
gotta have the t4r app :D

410574b9.jpg~original
 
go to the t4r home page and on the bottom of the phone press the "+" key, then push the option that says, "add to home screen" or something like that. But Childrenofbodom knows whats up lol. there is no actual application, its just a book mark to the web site. :D
 
sn0wrunner said:
go to the t4r home page and on the bottom of the phone press the "+" key, then push the option that says, "add to home screen" or something like that. But Childrenofbodom knows whats up lol. there is no actual application, its just a book mark to the web site. :D
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lol yeah I never use the contacts app so I think i'll make a t4r.org shortcut thing too.

they should really make customizable icons so I could put a 3rd gen or something.

yeah app developers, 3.0 sdk is out, make us something!
 
LINY4Runner said:
scroll all the way to the bottom theres a silver 3g 4runner that i used
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I actually refreshed the page a bunch and the little ad that shows like 3 posts down i used, I dont know whos 4runner it is, but lol it looks good.
 

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LINY4Runner said:
dude get the weather channel or weatherbug app....that factory one sucks!



hahah this is turning into an iPhone thread
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LOL iPhone thread!!

I already have those apps but they're on page 2... notice I have like 7 pages haha.

I only leave the one there is on the front page because it's much more pleasing to the eye than "the weather channel"
 
imryannn said:
how?
i thought you could do that but i couldnt figure it out...
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Call AT&T I'm sure they can track it with the phone number...they might only give out the infocto a detective though so hit up your police station
 
I have Scangauge II, no need of a stink'n iphone. J/K

I with the stock 265/70/16(31") H/T tires, I got ~18mpg, 50/50 Hwy/local. with 265/75/16(32") A/T tires, ~16mpg. Before I got the SGII, I thought upshift earlier will save gas, i.e. shifting to 3rd gear from 2nd at 2000rpm instead at 2300-2500rpm(which I was taught 20 years ago). Actually, it does the opposite, higher the gear, higher the engine load, richer gas mixture.

Now I got back to 18mpg again, that's with the collaborated mileage, meaning the actual distance traveled based on the larger tire diameter, 265/75 covers 3% longer distance per revolution than 265/70.

The collaborated distance was confirmed during a recent trip to Louisville, Ky by the mile markers on the interstate.

I got a tank with 14mpg late December of 08, keep in mind I had new plug/wires, drive train fluid, battery, deckplate, seafoam in September. That forced me to do few things mechanically to improve the fuel consumption in addition to correct my driving habit. I don't really know which one is the key factor because I did all these almost at the same time:
a.) tighten the valve cover, all the bolts were loose.
b.) new fuel filter,
c.) Chevron Techron injector cleaner(2 bottles)
d.) ISR
e.) exhaust pipe gaskets. 2 of them, one between the cats, another before the muffler.
f.) brand new set of BFG A/T KO's.
 
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