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4 Bangin, Fuel Sippin, Full Tank Challenge!

Discussion in '4 Cylinder' started by 2TRunner, Aug 29, 2011.

  1. Sep 8, 2013 at 8:36 PM
    #1101
    bhd1223

    bhd1223 Well-Known Member

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    Totaled 05, 07 Frontier CC V6 6-spd
    05 Totaled. Dead: Pulled elbow off airbox, MAF Cal, DT Header, Towing stuff, URD short shifter, hoping to supercharge in the somewhat near future Now: 07 Frontier suspension planned, short shift on the way, tires, toys, etc.
    Just out of curiosity what kind of tires are y'all running? Ever since I took off the lift and 285's years ago I'm lucky if I see over 21 mpg. With my old tires I saw 20-21 usually with a very rare 22. Currently I'm better than it was back with the lift/big tires but nowhere near the mid to high 20's I was seeing in the first 5k miles of ownership while carrying a load near 1000 lbs. Most of that was driving through Canada so I guess the whole not going over 70 mph has some merit. These days I'm driving much faster trying to cut down the time on my long commute and it probably doesn't help having all the elevation changes I experience.

    I know my tires hurt some because they are heavier LT's but stock size, 245/75-16. Previous tires right around 20 mpg were P265/70s. I've been seeing 19 lately by going back to the "rev out" mentality instead of trying to keep the revs low. IIRC that was how I did it in the brand new days of the truck. Not revving really high but not lugging it either.

    It just sucks that a couple hills in my commute require me to be going 75-80 with full throttle to not need a downshift to 4th. This has me craving more power so I don't need to downshift and can just give a little more throttle and keep on chugging. It's not fun to lose speed at full throttle, these aren't the Rockies, been there and done that while towing a serious load. I've been thinking about a light regear or maybe going crazy with a supercharger to make it possible to stay in 5th at lower freeway speeds, 60-70 mph. Maybe then I'll actually slow down. Haha.
     
  2. Sep 8, 2013 at 9:10 PM
    #1102
    tooter

    tooter play every day

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    Greg
    Los Angeles
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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    My intake manifold spacer might give your 2.7 a little more grunt on the hills as it has a nice fat spot (red line) on the torque curve at around 3,000 rpm. While it won't transform your engine into a 4.0, you might not need to downshift as much on the hills.

    [​IMG]
     
    Last edited: Sep 8, 2013
  3. Sep 8, 2013 at 9:35 PM
    #1103
    bhd1223

    bhd1223 Well-Known Member

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    Totaled 05, 07 Frontier CC V6 6-spd
    05 Totaled. Dead: Pulled elbow off airbox, MAF Cal, DT Header, Towing stuff, URD short shifter, hoping to supercharge in the somewhat near future Now: 07 Frontier suspension planned, short shift on the way, tires, toys, etc.

    Can you PM or post details? Seems some some gains and losses on the dyno. Might be worth a try though. The issue is I'm going 80+ up around 3k rpms. I'm looking for more power around 2k rpms for low speed 5th gear work, say 60-70 mph. So far the only thing I've seen that should make any substantial difference is the supercharger and even that isn't huge in the low rpms.
     
  4. Sep 9, 2013 at 7:39 AM
    #1104
    CUtacomaTIGER

    CUtacomaTIGER Unprofessional Driver

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    hmm, I've never really noticed a difference with the A/C on but am curious so might test it now. but with your mpg numbers I wouldn't worry about it.

    I just got 22 mpg with a/c on about 85% and with me trying to conserve gas when in can, i.e. coasting down hills and only reving above 2k when I need to get up and go.

    i really want to get a camper to help with mileage but can't justify the costs
     
  5. Sep 13, 2013 at 12:05 AM
    #1105
    iroh

    iroh Well-Known Member

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    My last tank of 26.6 mpg was enough to bump my lifetime average to 25.0! Now just for winter to set in and kill it.
     
  6. Oct 7, 2013 at 3:00 AM
    #1106
    MikeCB600F

    MikeCB600F RCLB4CYL W/NO FN options

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    323 miles on 14.1 gallons - 22.9MPG
     
  7. Oct 7, 2013 at 4:14 PM
    #1107
    91r100gs

    91r100gs Understand the Voice Within

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    Nice tank
    That's good on a 4x4.

    My last tank was a partial fill of 5 gallons, and a full fill up of 19.61 gallons. MPG came out to 24.7 Drove 607.3 miles.

    About 400 0f those miles was long trip hiway at 70-75MPH. Rest was several dozen 3.5 miles trips back and forth to work.
     
    Last edited: Oct 8, 2013
  8. Oct 11, 2013 at 7:39 PM
    #1108
    worthywads

    worthywads Well-Known Member

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    556 miles on17.954 gallons for 31.0 mpg. Cooler weather already here, best tanks are behind me.

    Got $0.90 off with Safeway discount so $2.419 a gallon. :D
     
  9. Oct 11, 2013 at 7:58 PM
    #1109
    bhd1223

    bhd1223 Well-Known Member

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    Totaled 05, 07 Frontier CC V6 6-spd
    05 Totaled. Dead: Pulled elbow off airbox, MAF Cal, DT Header, Towing stuff, URD short shifter, hoping to supercharge in the somewhat near future Now: 07 Frontier suspension planned, short shift on the way, tires, toys, etc.
    My last two tanks have been an improvement, kind of. I've been seeing 17-18 for the last few months.

    Two fill-ups ago I hit an even 20 and today's gave me just a tad over 19. Going slower on expressways helps a lot. If I could manage to not fall asleep traveling 60 mph I'd like to try it one day and see what happens but getting 20+ at 70 keeps me happy.

    Still searching for the ever elusive 25+ that I saw in the younger years. I'd probably have to go back to paper tires and a lean running engine for that though.
     
  10. Oct 25, 2013 at 6:50 PM
    #1110
    MikeCB600F

    MikeCB600F RCLB4CYL W/NO FN options

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    Colder weather - mileage dropping:mad:
     
  11. Oct 25, 2013 at 7:14 PM
    #1111
    worthywads

    worthywads Well-Known Member

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    Yep, it'll get worse 'til after Jan/Feb.
     
  12. Oct 26, 2013 at 8:58 PM
    #1112
    Hansel

    Hansel Well-Known Member

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    I noticed that someone questioned worthywads, some time back regarding the fuel mileage.

    I have had my 2003 2.4 liter automatic 2WD base model truck for approx 4k miles now.

    Tire size 205 75 15

    Best I've achieved was 36. Usually Range between 29 to 32 and probably average close to 31 mpg. 75% hwy 25% city.

    Wish I had a five speed, but I bought it used with an automatic. Still I'm satisfied with the fuel mileage.

    Note that I drive conservatively and I don't hit the throttle hard. I'm usually good at timing the traffic lights in the city, so that saves fuel since I don't have to accelerate from a dead stop. Also, drive approx 65 mph on the hwy or fwy.

    So worthywads' fuel mileage of 37 plus mpg is very believable to me.
     
  13. Oct 26, 2013 at 10:52 PM
    #1113
    worthywads

    worthywads Well-Known Member

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    Thanks Hansel, timing lights is critical to good city driving. Sure we'll get people changing lanes frantically often, but pointlessly as they floor it past us to a stoplight ahead that we don't have to stop for since we know there's no reason to hurry. So be it. It would be one thing if this wasn't commuters driving the same drive every day around the same time, but in fact it is the same every day, yet people race ahead apparently oblivious that they will have to stop at the same light they do every day.

    I can very predictably make it through the 8 stoplights on my way home hitting green on all of them. I know when to speed to make a light also. :D
     
  14. Oct 26, 2013 at 11:27 PM
    #1114
    Rich91710

    Rich91710 Well-Known Member

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    And as the guy who actually sets the timing on the signals, it's a challenge trying to maintain flow in both directions while still making allowances for "the human factor"
     
  15. Oct 27, 2013 at 12:59 AM
    #1115
    Xer0 SiN

    Xer0 SiN Well-Known Member

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    this and that...
    i see all these high numbers. i would like to see the most effecient tank on purely city driving. some of us dont have the luxury of coasting the freeway to stretch out mpgs.

    EDIT: i ask because im debating on trading my box in for a double cab 4banger. well, ts between that and a limited awd rav LOL.
     
  16. Oct 27, 2013 at 1:10 AM
    #1116
    Rich91710

    Rich91710 Well-Known Member

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    My driving is a mix.

    I have a 45 mile commute to work, but traffic home is stop and go.
    According to the Ultragauge, I CAN pull 24.5-26 on the way to work in the morning with light traffic.
    My trips home are down in the 20-22 range.

    100% around town? Kills it. I gassed up and did about 50 miles shopping with the wife, I was running about 15.

    Realistically, on a 2.7, I'd expect between 18 and 23 for the average driver. The EPA ratings today are much more realistic than they were 10-20 years ago.
     
  17. Oct 27, 2013 at 6:50 AM
    #1117
    Hansel

    Hansel Well-Known Member

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    good point re the city driving MPG. It really brings down the MPGs, there is almost no way around that due to traffic patterns, etc.
     
  18. Oct 27, 2013 at 7:46 AM
    #1118
    91r100gs

    91r100gs Understand the Voice Within

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    When my driving habits changed about a year ago, I have had a few tanks that have been purely small town type city driving. My speeds average about 35 MPH never over 45 MPH, lots of unsynchronized traffic lights, and my average trips are only 3.5 miles long. These type tanks have all been between 19 & 20 MPG.
     
  19. Oct 27, 2013 at 8:39 AM
    #1119
    MikeCB600F

    MikeCB600F RCLB4CYL W/NO FN options

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    I have about a 50/50 mix on my drive to work. I would not consider the highway portion true "highway" because there are several lights. The last 5 minutes is through residential areas with several lights and stop signs and 35mph max. I think I could get another 1 or 2 mpg if I had a manual.
     
  20. Oct 27, 2013 at 8:50 AM
    #1120
    worthywads

    worthywads Well-Known Member

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    I'm all city unless I venture out of Boulder, but I'm on the edge of town for the most part with 45 streets the whole way and predictable lights.

    My mpg is largely controlled by the very first light at 55th and Arapahoe. Ideally I hit that green early I'll do great, and actually it isn't bad if I have to stop for it.

    If I get through it late in the green it goes to shit, as I'll have to stop at a light a half mile down the road. This then throws off the timing at Arapahoe and Foothills, and I'll have to stop there. This then makes me hit the stoplight at Foothills and Valmont.

    32-38 if 1st light works out, 26-30 if not.
     
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