Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Scion FR-S / Toyota 86 GT86 General Forum (https://www.ft86club.com/forums/forumdisplay.php?f=2)
-   -   Poor mileage (https://www.ft86club.com/forums/showthread.php?t=109736)

humfrz 08-19-2016 02:24 AM
Quote:
Originally Posted by Ultramaroon (Post 2732898)
Oh, I'm just funnin'. The contextual clues were all there. :thumbsup:
Well, maybe so, but, since we have had some folks that have been having trouble with math here lately, I feel badly about leaving a step out ..... ;)


humfrz

Tcoat 08-19-2016 03:14 AM
Quote:
Originally Posted by humfrz (Post 2732718)
HEY! ....... some of you gang members ........ :D

A couple of good ways to fool yourself in measuring gas mileage is to measure from when the low fuel light comes on OR to believe in the mileage indicator in your car.

So, I suggest that you drag out your paper and pencil, fill up the tank till the pump clicks off ....... drive the car some distance ...... come back to the same pump (if possible - not necessary) and fill up till the pump clicks off.

Now you have two numbers ....... miles driven and fuel consumed.

Here is where the paper and pencil come in ......... :D

So, talk to us about l/100 kilometers or miles per gallon.

(I'm just typing in for @Tcoat, while he is on holiday and @Ultramaroon while he is at work)........ :happyanim:


humfrz
Knew you would have my back!

I am not sure what has started this Miles Per Light fad but it is a horribly inaccurate way to measure milage. If the light comes on at 270 miles on one car and 310 on another it just means the Spenser float I'd a bit different not that the milage is worse. The difference of 40 miles equals something around a gallon and a half of fuel. That gallon and a half spread across the tank is probably under an inch or so. No idea how strict the float spec is but doubt the variation is unreasonable.

Th milage indicator may be off a couple of MPG but it is close enough if used to just measure against it's self and massively more accurate than MPL.

Cole 08-19-2016 03:33 AM
I consistently get between 8 and 8.5 l/100km. That's with a lot of fun driving mixed in.

Nothing crazy on the mod front... UEL, springs, 17x9 with 245/40/17 200TW tires and a 91 tune.

Y'all are doing it wrong.

86geek 08-19-2016 05:28 AM
LMaO! I don't even get to 20 miles per gallon. Look at my signature. :iono:
I live in the city so lots of stop n go.

warmwetness 08-19-2016 07:21 AM
Quote:
Originally Posted by Clipdat (Post 2732531)
I've never gotten more than 24mpg since I've had the car.

I just deal with it. :iono:
This! Me either. I get happy when I get to 24.5 mpg. On shell fuel.


Sent from my 5054N using Tapatalk

SlammedSilly 08-19-2016 09:09 AM
Quote:
Originally Posted by humfrz (Post 2732557)
What do you credit your exceptionally good gas mileage to .. ??

Header? Tune? Good driving habits?

The highest I've gotten on non-freeway, highway driving was 34 MPG.

(stock, MT, fully loaded, A/C ON, driving the speed limit)


humfrz
well stock on a cruise i wouldnt get more than 27 in the burbs, i put the catback on and got 29. then i put the header on and i started getting 32/33 in the burbs... the tune is just off the shleft oft stage 2 93 oct.. i can tell you, if i wanted to, i could go through a whole tank in one day of hard driving... other than that i fill up once a week bc i do a lot of driving. i never use my AC unless its like 95 or hotter. but i would probably credit the good driving habits. even though ive been pulled over 5 times and 4 of the 5 were for speeding, haha

SlammedSilly 08-19-2016 09:14 AM
if you want better mpg, try changing up your fuel... i strictly use sunoco 93 from the same 4 gas stations. BP is a very good gas company... try their gas prior to going on a trip

Dadhawk 08-19-2016 09:30 AM
1 Attachment(s)
Quote:
Originally Posted by SlammedSilly (Post 2733036)
...i never use my AC unless its like 95 or hotter. but i would probably credit the good driving habits. ...
For what it's worth (and as I noted in the "other thread" on this), I have observed the A/C on/off seems to have zero impact on driving the car in terms of gas mileage. Here is my monthly average from 2012 until now. AC usually used May through September, rarely October through April.

Over 80% of this is commuting miles (same path, same fueling stations) so it's a relatively valid comparison. Months with high peaks are months I'm most likely to take road trips in the car.

TheKraken 08-19-2016 12:36 PM
I'm averaging about 31mpg which is about 310-330 miles a tank when light comes on. I'm driving a 2016 frs with AT but I do have a tendency to enjoy the sport mode and paddle shifters from time to time. I drive town and highway both almost everyday so being combined I'd say I'm doing well.


Sent from my iPhone using Tapatalk

extrashaky 08-19-2016 12:45 PM
Quote:
Originally Posted by CarlIvan (Post 2732421)
I'm barely getting 270 miles before the light comes on in my 15 FRS. I was getting 310 in my 13 FRS. Can anyone share their mileage?
Assuming everything is working correctly, the light comes on when you have 2.4 gallons of usable fuel left, and the tank holds 12.5 gallons of usable fuel. If you're filling up right when the light comes on, it means you're using 10.1 gallons per 270 miles. That comes out to 26.7 MPG, which is not bad.

But you still can't rely on miles per tank. Do the math. If the math is too hard, put a mileage app on your phone and let the phone do the math for you.

Quote:
Originally Posted by SlammedSilly (Post 2732551)
next time ill take a pic and post it for ya!
Take a pic of what?

SlammedSilly 08-19-2016 01:58 PM
take a pic of the mpg calculator on the car when im cruising on highway trips and show that im roughly getting in mpgs

extrashaky 08-19-2016 02:04 PM
Quote:
Originally Posted by SlammedSilly (Post 2733211)
take a pic of the mpg calculator on the car when im cruising on highway trips and show that im roughly getting in mpgs
LOL. That thing is ridiculously inaccurate and almost always shows much better mileage than the car is actually getting. Snapping a picture of that doesn't tell us anything, other than perhaps you don't know how to calculate mileage yourself.

SlammedSilly 08-19-2016 02:26 PM
Quote:
Originally Posted by extrashaky (Post 2733214)
LOL. That thing is ridiculously inaccurate and almost always shows much better mileage than the car is actually getting. Snapping a picture of that doesn't tell us anything, other than perhaps you don't know how to calculate mileage yourself.
haha, i dont know how to calculate mpgs... ok. stay on your high horse. and i never said it was 100% accurate. i said, id show what the car is telling me.

extrashaky 08-19-2016 02:29 PM
Quote:
Originally Posted by SlammedSilly (Post 2733233)
i said, id show what the car is telling me.
The car is a liar. Get an app for your phone to do the math for you. Then all you have to do is enter the number from your odometer and the amount of gas you pumped, and the app will tell you the actual MPG.


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