1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Not your normal Fuel Saving Tips

Discussion in '2nd Gen. Tacomas (2005-2015)' started by luk8272, Mar 1, 2008.

  1. Mar 1, 2008 at 7:09 AM
    #1
    luk8272

    luk8272 [OP] Poodoo

    Joined:
    Feb 24, 2008
    Member:
    #4929
    Messages:
    5,879
    Gender:
    Male
    First Name:
    Lucas
    Kaplan, Louisiana
    Vehicle:
    07 Silver4dr. 4x4, V6 Shortbed
    5% Tint, Bug flector, vent Visors, Removed secondary air filter, Rear Spring TSB w/ Wheeler's Add A Leaf HD Pack, Icon 2.0 rear shocks, Toytec 3" lift up front with Total Chaos UCA's, Debadged, Billet Grille,TRD Offroad rims/17x9 Pro comp 6001 rims, Duratracs 265/75/16 or 285/70/17, Fog light anytime mod, Tailgate hose clamp mod, Pro-dry AFE filter. Extended Differential Breather, ABS on/off, 6000k LEDs from CSJumper, heads/fogs, ScanguageII, Devil horns, Devil horns on third brake light, Mounted 60" Highlift, Mounted Tool Box, Wet Okole Front/Rear Seat Covers, TW sticker, Midland Handheld CB,Painted engine cover, Revenge Fab Sliders, ARE Topper, Weather tech Floorliners.
    Not the normal Tips. :confused:

    TIPS ON PUMPING GAS (Good information)

    Hhere are some tricks to get
    more bang for your buck.

    Only buy or fill up your car or truck in the early morning when the ground
    temperature is still cold. Remember that all service stations have their
    storage tanks buried below ground. The colder the ground the more dense the gasoline, when it gets warmer gasoline expands. So buy in the afternoon or in the evening. A 1-degree rise in teperature is a big deal for this business.

    When you're filling up do not squeeze the trigger of the nozzle to a fast
    mode. If you look you will see that the trigger has three (3) stages: low,
    middle, and high. In slow mode you should be pumping on low speed, thereby
    minimizing the vapors that are created while you are pumping. All hoses at
    the pump have a vapor return. If you are pumping on the fast rate, some of
    the liquid that goes to your tank becomes vapor. Those vapors are being
    sucked up and back into the underground storage tank so you're getting less.

    One of the most important tips is to fill up when your gas tank is HALF
    FULL. The reason for this is, the more gas you have in your tank the less
    air occupying its empty space. Gasoline evaporates faster than you can
    imagine. Gasoline storage tanks have an internal floating roof. This roof
    serves as zero clearance between the gas and the atmosphere, so it minimizes the evaporation. Unlike service stations, every truck that we load is temperature compensated so that every gallon is actually the exact amount.

    Another reminder, if there is a Fuel truck pumping into the storage
    tanks when you stop to by the station, DO NOT fill Up:eek:. The fuel being pumped in to the tanks may be stirring up the trash that has settled over time.
    Try these out hope they help.
     
  2. Mar 1, 2008 at 7:34 AM
    #2
    colinb17

    colinb17 If at first you don't succeed, don't try skydiving

    Joined:
    Jan 6, 2008
    Member:
    #4127
    Messages:
    18,605
    Gender:
    Male
    First Name:
    Colin
    Lusby, MD
    Vehicle:
    '07 TRD Sport 4x4
    Build thread in sig...
    i love tips #1, 2, and 4. i have a question about 3 though. i agree that you will have less evaporation when you only let the tank get down to half before you fill it up. but in the end, won't the extra gas(extra weight) in your tank hurt the mileage more than if you let your gas level go down to 1/4 of a tank or further?

    don't get me wrong, I'm not trying to shoot your idea down, I'm just curious. and if anyone has tried both ways of handling fuel levels, I'd be interested to know what you found out.

    great post though, they make sense. especially the last one.
     
  3. Mar 1, 2008 at 7:51 AM
    #3
    lawnrevenge

    lawnrevenge Well-Known Member

    Joined:
    Feb 11, 2008
    Member:
    #4697
    Messages:
    294
    Southern California
    Vehicle:
    08 regular cab 5-lug, automatic
    Has someone every done calculations on number 1? I know gasoline expands, with tempature rise (like most everything) I just don't feel like looking in my old physics and chemistry books to calculate it. The thing is that tanks are burried deep enough that the fuel temp is almost constant.

    For #2 I am also wondering just how much vapor is siphoned by a fast fill vs. the longer filling time allowing more gas to evaporate (per #3)

    I'm not saying that these tips don't help. Just wonder how much that actually do, and for a few pennies of gasoline I don't worry too much.
     
  4. Mar 1, 2008 at 8:16 AM
    #4
    luk8272

    luk8272 [OP] Poodoo

    Joined:
    Feb 24, 2008
    Member:
    #4929
    Messages:
    5,879
    Gender:
    Male
    First Name:
    Lucas
    Kaplan, Louisiana
    Vehicle:
    07 Silver4dr. 4x4, V6 Shortbed
    5% Tint, Bug flector, vent Visors, Removed secondary air filter, Rear Spring TSB w/ Wheeler's Add A Leaf HD Pack, Icon 2.0 rear shocks, Toytec 3" lift up front with Total Chaos UCA's, Debadged, Billet Grille,TRD Offroad rims/17x9 Pro comp 6001 rims, Duratracs 265/75/16 or 285/70/17, Fog light anytime mod, Tailgate hose clamp mod, Pro-dry AFE filter. Extended Differential Breather, ABS on/off, 6000k LEDs from CSJumper, heads/fogs, ScanguageII, Devil horns, Devil horns on third brake light, Mounted 60" Highlift, Mounted Tool Box, Wet Okole Front/Rear Seat Covers, TW sticker, Midland Handheld CB,Painted engine cover, Revenge Fab Sliders, ARE Topper, Weather tech Floorliners.
    When I go back to work I will ask some of the guys in production. The are always monitoring the fuel temp and trying to keep it to a 1 degree temp. diff. The way they act it seems that it is a significant difference. They are always talking about making sure they put an exact gallon in the tanks, seems to be very important alarms are forever going off when the temp changes in the slightest. I am not the man in this case with the answers, but I'll do my best to find out.

    Colinb17
    I never thought of looking at the #3 that way it makes sense. In that case it seems it may be better to keep your tanks nearly empty and fuel up more often.
     
  5. Mar 1, 2008 at 12:14 PM
    #5
    WilsonTheDog

    WilsonTheDog Kylie's dad

    Joined:
    Nov 17, 2007
    Member:
    #3496
    Messages:
    4,837
    Gender:
    Male
    First Name:
    Eric
    Myrtle Beach SC
    Vehicle:
    07 Prerunner SR5 DC/SB V6
    Magnaflow 12576 muffler & chrome tip, Westin step bars, 27% tint, Pop N Lock, AFE ProdryS, bed mat, Husky liners, D-rings added, Access Literider tonneau, Pioneer 4-ways all around, GY Wrangler Duratracs 265/75/16, 5100's @ 1.75", 1.5" AAL
    The other thing about #3, I don't see where the gasoline would evaporate TO. It's (supposedly) in an airtight container, the gas tank. I could see there being higher evaporation if your gas cap were faulty but I don't see how it could just evaporate, especially if you fill it up first (no air space).
     
  6. Mar 1, 2008 at 3:13 PM
    #6
    Janster

    Janster Old & Forgetful

    Joined:
    Mar 25, 2007
    Member:
    #1138
    Messages:
    14,256
    Gender:
    Female
    First Name:
    Jandy
    Lancaster, PA
    Vehicle:
    2016 GMC Canyon SLT w/ LineX and....
    ...I can see the truth in all of it. But - you're splittin hairs (and very thin ones). The benefit you'd see in any of it would be LESS than that of bumping up the air pressure in your tires a couple lbs.

    Way too many variables...
     
  7. Mar 1, 2008 at 3:30 PM
    #7
    ZonKs

    ZonKs Can speak french in Russian.

    Joined:
    May 30, 2007
    Member:
    #1711
    Messages:
    1,055
    Gender:
    Male
    Glendale, CA
    =p
    I suppose with doing all of that you could save up to $1.50/mo on gas. thats $18.00/yr. folks!!:eek::eek: ...;)
     
  8. Mar 2, 2008 at 1:23 AM
    #8
    Evil Monkey

    Evil Monkey There's an evil monkey in my truck

    Joined:
    Aug 8, 2007
    Member:
    #2352
    Messages:
    8,337
    Gender:
    Male
    First Name:
    Robert
    Escondido, CA
    Vehicle:
    07 4x4 DC SR5 TRD Off-road
    Weathertech front & rear mats, rear suspension TSB, Toytec AAL for TSB, Hi-Lift Jack, Bilstein 5100 & Toytec Adjustable coilovers, Built Right UCAs, KMC XD 795 Hoss Wheels, Definity Dakota MTs 285/75R16, Leer XR, Thule Tracker II & Thule MOAB basket
    For the most part, I think it's bunk.

    A 30 degree difference in gasoline temperature would result in a difference of 2% in volume (about 1/2 gallon if you filled your tank). But you'll never see that kind of temperature difference inside the tanks (the fuel is cool even on a hot day). The ground temperature around an underground tank won't fluctuate much even with drastic differences in air temperature. It certainly won't matter what time of day you buy the gas.
    This one just doesn't make sense to me. How does pumping slower minimize vapors?

    Your vehicle contains vapor canisters that captures the vapor and feeds the fuel back into the system. You'll probably cause more loss by opening the gas cap to refill more often.
     
  9. Mar 2, 2008 at 5:25 AM
    #9
    Cburt

    Cburt Well-Known Member

    Joined:
    Jan 3, 2008
    Member:
    #4088
    Messages:
    66
    Kansas City
    Vehicle:
    SR5 4x4, White
    None currently,
    I'm with Robrjohnson on this one.
     
  10. Mar 2, 2008 at 6:18 AM
    #10
    TheMaster

    TheMaster Born to Ride

    Joined:
    Oct 22, 2006
    Member:
    #112
    Messages:
    3,850
    Gender:
    Female
    First Name:
    Chicky Baby
    NY
    Vehicle:
    2007 DC TRD Sport
    Bug shield, window visors, skid plate, rust proofing, tonneau cover, paint & upholstery protection, side step bars, navigation system.
    Very good point.
     
  11. Mar 2, 2008 at 6:29 AM
    #11
    Roland

    Roland My other ride has sails

    Joined:
    Jan 8, 2008
    Member:
    #4149
    Messages:
    2,401
    Gender:
    Male
    Rhode Island
    Vehicle:
    06 Impulse Red I4 2WD Access Cab
    UnderCover Tonneau, Bed mat, Bug Deflector, aFe Pro Dry S, Secondary Air Filter removed, Synthetic 5W-30 oil, Scanguage II with blendmount, WeatherTech floorliners, Toyota seat covers, Installed OEM intermittent wipers, TacomaWorld sticker, Defrost without AC mod, Hidden Hitch
    IMHO the only valuable hint listed here is to not fuel up while or soon after the station gets a shipment of gas....

    Then again... In the winter the delivery truck is exposed to extreme cold which would make the gas denser and you might get a bit more energy if you buy it before it normalizes to the underground tank's tempature. :devil:
     
  12. Mar 2, 2008 at 6:47 PM
    #12
    lawnrevenge

    lawnrevenge Well-Known Member

    Joined:
    Feb 11, 2008
    Member:
    #4697
    Messages:
    294
    Southern California
    Vehicle:
    08 regular cab 5-lug, automatic
    The reason that the people filling tanker trucks are so worried about temp is that the fuel is most often stored above ground and the expansion can rupture a large tank if it's not compensated for. (Imagine putting 50 degree gas in a tank on a 90 degree day and not leaving enough of a void for it to expand. That tank would either rupture or spill (if it has a pressure release)

    The gas station pump has a vapor recovery system where it scavenges gasoline vapors from your tank so that they aren't released
    into the atmosphere. It's all to help stop manbearpig. I thought that charcoal canisters were done away with due to how modern fuel injection works, the system is designed to operate under pressure.
     
  13. Mar 2, 2008 at 7:52 PM
    #13
    NVR_QUIT

    NVR_QUIT My goodness, my Guinness!

    Joined:
    Oct 1, 2007
    Member:
    #2885
    Messages:
    134
    Gender:
    Male
    First Name:
    Lloyd Christmas
    USA!!!!
    Vehicle:
    08' TRD Sport, 11' TRD Sport
    Toytec 3" lift...
    REPOST* I already posted these tips plus a few more with tons of feedback from tons of people; some of which work with fuels.

    search...
     
  14. Mar 3, 2008 at 3:41 AM
    #14
    Viper-2

    Viper-2 Secret Agent

    Joined:
    Jul 12, 2007
    Member:
    #2073
    Messages:
    503
    Gender:
    Male
    First Name:
    Keith
    Charleston, SC
    Vehicle:
    Prerunner with many mods
    Here's the thread he's talking about: http://www.tacomaworld.com/forum/technical-chat/4450-little-gas-good-thing.html.

    I agree with Roland, last tip is the only one that seems right to me. There does seem to be some truth in the "filling up in the morning" tip though.
     
  15. Mar 3, 2008 at 5:50 AM
    #15
    Burns

    Burns Well-Known Member

    Joined:
    Jun 19, 2007
    Member:
    #1871
    Messages:
    3,665
    Gender:
    Male
    NJ
    Vehicle:
    Truck is Sold
    I cant relate to this post because I currently live in Jersey and it is unlawful to pump your own gas in this shit state. :der:
     
  16. Mar 3, 2008 at 6:25 AM
    #16
    gsxr3000

    gsxr3000 Well-Known Member

    Joined:
    Jan 21, 2008
    Member:
    #4375
    Messages:
    151
    Gender:
    Male
    Vehicle:
    08 TRD Sport
    OME Lift Kit, TRD S/C CAI EXHAUST
    i let my wife fill up on tuesdays when the local station has ladies tuesday 5c off super
     
  17. Mar 3, 2008 at 8:14 AM
    #17
    rickbuch0625

    rickbuch0625 Member

    Joined:
    Feb 26, 2008
    Member:
    #4955
    Messages:
    11
    Virginia Beach, VA
    Vehicle:
    05 PreRunner sr5 Double Cab
    Just got my truck about 1 1/2 wks ago. was reading the owners manual and seen that u can pretty much run any octane fuel in it. what are most people running? or what would be best for it? im sure plus or premium, but can u run 87 in it all the time?
     
  18. Mar 3, 2008 at 8:25 AM
    #18
    Roland

    Roland My other ride has sails

    Joined:
    Jan 8, 2008
    Member:
    #4149
    Messages:
    2,401
    Gender:
    Male
    Rhode Island
    Vehicle:
    06 Impulse Red I4 2WD Access Cab
    UnderCover Tonneau, Bed mat, Bug Deflector, aFe Pro Dry S, Secondary Air Filter removed, Synthetic 5W-30 oil, Scanguage II with blendmount, WeatherTech floorliners, Toyota seat covers, Installed OEM intermittent wipers, TacomaWorld sticker, Defrost without AC mod, Hidden Hitch
    You can run the 87 in your V6 with no problems but you won't get the same performance as with the higher octane. The I4 engines are quite happy on 87 and unless modified don't perform measurably better with the more expensive fuels.
     
To Top