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4 Bangin, Fuel Sippin, Full Tank Challenge!

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

  1. Sep 2, 2012 at 4:04 PM
    #681
    2TRunner

    2TRunner [OP] Don't give up here just yet

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    285 (313) at the 1/4 mark.

    Really, really want that 4. Ever so elusive.

    Curious Ryan, have your MPGs gone up and down with the build ups and downs?
     
  2. Sep 2, 2012 at 4:25 PM
    #682
    ryanjboutin

    ryanjboutin Mob dirt parking lots.

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    Spacers. Spacers everywhere.
    The tires on it now are smaller than the tires on the stock 15's, so it's higher than in stock form.

    With the 33's I was lucky to get 330/tank.
    But, at the same time I drove like a douche and had to give it way more gas to get up to speed.

    I was still able to make it from SD to Vegas in 3/4 tank though.
    That's 331 miles from my house to my bros house in North LV.

    Regarding the trips to Vegas;

    With 33's I pretty much did the speed limit and traveled in the slow truck lanes going uphill.
    The journey takes about 5.5 hours going the speed limit, and is doable on 3/4 tank.

    With the 245/40-18's I tend to cruise around 80 until I'm about 10 miles from South Point.
    At that time I travel the speed limit because there is always highway patrol out in force.
    The journey takes about 4.5 hours or less, and is doable on 3/4 tank.
     
  3. Sep 2, 2012 at 5:01 PM
    #683
    litegide24

    litegide24 Well-Known Member

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    Does the light come on at about 1/8 tank? Is it 21 gallon tank? If its at 313 at 1/4 tank remaining should exceed 400 at fuel up. At the 17 gallons remaining the light comes on in mine (it has the 21.5 gallon)
     
  4. Sep 2, 2012 at 5:12 PM
    #684
    ryanjboutin

    ryanjboutin Mob dirt parking lots.

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    Spacers. Spacers everywhere.
    I've seen someone go as far as 50 miles after the fuel warning light came on.

    But that's not too smart because the fuel in the tank is what cools our fuel pumps.

    That's why it comes on with 1/8 to go. :thumbsup:
     
  5. Sep 2, 2012 at 7:53 PM
    #685
    worthywads

    worthywads Well-Known Member

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    The fuel flowing through the pump cools and lubes the pump, not the fuel around the pump. Until you run out of gas the pump is happy.
     
  6. Sep 2, 2012 at 8:37 PM
    #686
    Rich91710

    Rich91710 Well-Known Member

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    But yes... it's a 21.1 gallon tank, somewhere around 1/2 to 1/4 gallon is not usable.
    Figure you've got a 20 gallon tank and you're safe.
    Low fuel light comes on at 17 gallons on my truck, so I've got a solid 70 miles before empty.
     
  7. Sep 4, 2012 at 3:50 AM
    #687
    2TRunner

    2TRunner [OP] Don't give up here just yet

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    The "extra" wiggle room given by the 21.1 capacity tank and the fuel light that pops on around 17 gallons used is a part of why I went ahead and started the thread.

    I didn't want to make folks burn up their fuel pumps.

    Can run the truck down to the light and still have 3 gallons of gas to keep to the pump cool.

    Chevy trucks were pretty notorious for running them close to low and burning up fuel pumps.

    If I get the 4 on this tank, it will be by the skin of my teeth. Haven't been driving as much. Been redoing the wheels and rotating the spare around to the wheel I'm currently working on. Glad I got my spare, but I don't have highway travel confidence in it....it's used...
     
  8. Sep 4, 2012 at 3:58 AM
    #688
    2TRunner

    2TRunner [OP] Don't give up here just yet

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    330/331....numbers I'm much more used to.

    I've always been the 360-380 range on my MPGS it seems.

    Acceleration with the 30s is rough, city driving is fucking annoying. I can't imagine the 33's. It's not to the point where I feel the truck is seriously lacking power though.

    My 2.7L air pump is like a fat kid trying to run a race.
     
  9. Sep 5, 2012 at 4:48 PM
    #689
    litegide24

    litegide24 Well-Known Member

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    575.2 miles and 20.50 gallons = 28.05 MPG

    [​IMG]
     
  10. Sep 5, 2012 at 4:51 PM
    #690
    worthywads

    worthywads Well-Known Member

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    ^

    I knew you'd make it. :D
     
  11. Sep 5, 2012 at 4:55 PM
    #691
    litegide24

    litegide24 Well-Known Member

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    Folks don't try this at home unless you have a very worthy consultant ;)
     
  12. Sep 5, 2012 at 5:38 PM
    #692
    91r100gs

    91r100gs Understand the Voice Within

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  13. Sep 5, 2012 at 8:56 PM
    #693
    litegide24

    litegide24 Well-Known Member

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    575 was a high so far. Worthy crunched some numbers with Fuelly data, consistent 27mpg accurate data fuel ups. Using noted low fuel light reference points (from previous fill-ups) there was little room for far out assumptions.

    The low fuel indicator is key for me... This time the light came on at 499.4 miles. I went an additional 75 miles and refueled at 575 miles. For example the truck was previously getting 26.5 and at 501 the low fuel light comes on and had a run with 548 miles, same with 509 the LFL comes on and i run 555, and again the LFL came on a 510 and a 566 run, back out what the tank took every time for the sake of comparison and i was pretty comfortable with todays fill up (used less than 1/2 gallon less fuel at fill up at 20,5 today. Ultimately I now know I can go 75 miles after the LFL although every truck is different and this was a true 28 mpg tank the played a role in all that.

    Although, i don't put as much in the filler tube as I previously did (took that into account too). I now do the 1-gallon after first click method, so can figure in some excess in the fill tube to compensate for any residual in left the vehicle when tank is getting down there. I think if my low fuel light ever comes on at around 515/520 and I'm running consistent 27 mpg tanks I'd feel comfortable running it to 600.

    If worthy gets to big for his britches I'll trade him in on a scan gauge, Seriously though we discussed known facts from his experiences for fuel up points which played a role in miles achieved. However, i don't do anything fancy other than try not to hit the passing gear, also pop into neutral at lights, my truck did some idling with ac on a few days this past week, also some hot days when used ac to a from work.

    I'd like to get one of the scan gauges, which unit is better and where do you
    guys buy them from?.
     
  14. Sep 5, 2012 at 8:59 PM
    #694
    Rich91710

    Rich91710 Well-Known Member

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    I don't know how you guys are doing that, unless your pumps are a LOT faster than mine and you're getting some foaming.

    I've TRIED to push it.
    Ain't happening.

    Full speed, click off. Wait a few seconds, ease into it, POP! 1/10th.
    Wait.... ease into it... POP! Another 1/10th if I'm lucky.

    I've never been able to get more than 2/10th in after it clicks.



    Ultragauge is cheapest, and the most "friendly" display if your primary use is fuel tracking.
    It will display 6 data items per screen with the two top items large and the rest smaller... or it will display 8 small items per page.
    Scangauge is arguably a better unit, at double the cost.
    Slimmer for mounting and doesn't look like a small GPS... but it's limited to display of only 4 parameters.
    OTOH, it will display trans temp (auto trans)... Ultragauge won't.

    They will both read and reset CEL codes.

    [​IMG]

    Left image was taken when I got to work, right image was taken when I got home.

    "SRT" is like a "short trip" indication... it automatically resets every time the ignition is recycled.
    The little "heart" pulses... it's just a "watchdog" indication.
    The circle indicates closed loop. When the system is in open loop (WOT, off-throttle decel, and when not up to temperature) the top of the loop is open.

    It's mounted above my mirror:

    [​IMG]
    [​IMG]
    [​IMG]
     
  15. Sep 5, 2012 at 9:12 PM
    #695
    Tacolover443

    Tacolover443 Well-Known Member

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    I had a 371.1 mile tank coming back from North Carolina, but right as I was clearing the trip odo I thought "Hey I should take a picture for TW." ... and then it was gone. :facepalm:
     
  16. Sep 5, 2012 at 9:13 PM
    #696
    Rich91710

    Rich91710 Well-Known Member

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    I mounted it up there because the dotted "tint" on the glass hides it.

    The main drawbacks of the basic design are:

    It looks like a small GPS
    The cable does not unplug from the unit itself, so you can't pop it off the dash and toss it in the glovebox
    Buttons on the back so if you flush-mount it, you have to detach it to reset when you fuel up and for calibration and configuration.
     
  17. Sep 6, 2012 at 6:12 PM
    #697
    Rackster

    Rackster Well-Known Member

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    I'm with you Rich - larger display at half the cost (especially if you're unsure that you'll like a feedback gauge like this), the Ultragauge is the right choice for me.
     
  18. Sep 6, 2012 at 6:38 PM
    #698
    worthywads

    worthywads Well-Known Member

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    If the Ultragauge existed when I bought my first generation Scangauge I would have gone Ultra.
     
  19. Sep 6, 2012 at 7:58 PM
    #699
    Rich91710

    Rich91710 Well-Known Member

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    BTW: The screens are totally configurable.
    You can tell it how many screens to display, from 1 to 6 or 8, and you control what is displayed and what positions they display in.

    I now find myself spending all of my time on page-2, as that seems to be the most useful information.

    Page 1, I have instant MPG, Ave MPG, Distance to empty, gallons remaining, engine temp, and intake air temp.
    I recently bought a Gentex temp mirror, and I'm satisfied that my engine is always either 199.4, or 204.0... never seen it anywhere else.
    The intake air temp display was just to give me an idea how hot is is outside when I've got the AC set to "Ice Age"

    Here's the 74 gauges that can be displayed:
    http://www.ultra-gauge.com/ultragauge/TEN/gauges.htm


    http://www.ultra-gauge.com/ZC/
     
  20. Sep 6, 2012 at 8:14 PM
    #700
    litegide24

    litegide24 Well-Known Member

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    I prefer ultra design
     
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