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  #26  
Old 04-26-2006
BOB BOB is offline
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I do a LOT of highway driving, at least 80 miles a day, so I geared for it, and have e-fan and pulley. It helps tremendously. bob
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  #27  
Old 04-26-2006
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Yeah. Try keeping it under 2K in Tampa. That's a good way to kill yourself around here. I have to redline just to keep up.
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  #28  
Old 04-26-2006
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Quote:
Originally Posted by NHBubba
Driving in the right lane at 65-70 MPH also means everyone is driving around you instead of the other way around. This means you can lock in the cruise control and relax even more. It is one-step removed from auto-pilot!
Fat chance around here! The right lane on I95 in FL is full of grandmas going 55-60 (ok, actually there are probably more of them in the left lane) but your options are to cruise at TEN UNDER or join the snake of cars weaving around the grandmas at 80-90. Anything in between will get you killed.

About once a week I catch myself wishing I had cruise control on the truck, but then I quickly remember that I couldn't use it effectively on my drive to work anyway.
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  #29  
Old 04-26-2006
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Quote:
Originally Posted by MrRngr94
Yeah. Try keeping it under 2K in Tampa. That's a good way to kill yourself around here. I have to redline just to keep up.
Yup. I shift at 6K, and often downshift in traffic in anticipation of a break in traffic where I can accelerate out of a gang of grannies.
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  #30  
Old 04-26-2006
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i've been keepin my rpm's under 2,500 for the whole tank...im just below half at 150 miles.
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  #31  
Old 04-26-2006
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i spent 53 dollars last night and filled my tank.. so i've decided to try this "under 2k thing" since i know i wont be doing any highway driving for the next 2 weeks.

so far today, i've managed to go no hire than 2500, and mainly ACTUALLY stayed right at or under 2000... my foot seems to barely have to touch the pedal, lol. yeah i had a couple people pass me.. but oh well, i can ignore it for the next 2 weeks, lol.

if i do keep up with this, i'll post my mpg once this tank is empty. should be interesting
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  #32  
Old 04-27-2006
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with an automatic you cant keep it under 2k.. sometimes it wont shift
out of first below 2500.. with the foot off the gas (when cold)


Also the torque converter wont lock until the transmission warms up..

I'm all for driving conservatively.. but the 2k method will get you shot and killed by some roadrager... And personally anyone who tries to merge onto
a 65+mph highway at 40mph to save gas deserves to be shot.
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  #33  
Old 04-27-2006
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Quote:
Originally Posted by Rand
And personally anyone who tries to merge onto
a 65+mph highway at 40mph to save gas deserves to be shot.

lmao.
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  #34  
Old 04-27-2006
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The easiest way to increase your MPG is to use the SUMMER gasoline year round; IF you can find it....
Has anyone noticed that during the Winter months (Nov-Apr) your MPG goes down and when Summer approaches; your MPG goes up.....???
The explanation is OXYGENATED fuel....
During the Winter months my Ranger gets about 260-270 miles (15-17 mpg) on a tank full and during the Summer months the mileage jumps to about 290-300 miles (17-19 mpg) to a tank full. My goal is to get 20 mpg consistantly...., but running out of ideas....
Will have to try your suggestion of limiting RPMs to 2000.... That is the same as limiting your highway speed to 60-65 mph.


OR 4x4

Last edited by OffRoad 4x4; 04-27-2006 at 08:16 AM.
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  #35  
Old 04-27-2006
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I am trying it too, had to put 50 in my truck for 17 gallons.
ran cruise and was running about 2300 rpm consistantly this morning. will find out at half way mark, typically anything above 100miles and im good.
For some reason when my gauge reads half its only about 5 gallons used in a 20 gal tank.
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  #36  
Old 04-27-2006
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Ignore the gas gauge, it is notoriously innacurate. Use it as a guideline as to when to fill up and for nothing else. As has been said, the ONLY way to accurately measure your mileage is to keep a fuel log and compute averages.
Quote:
Originally Posted by Strider0O0
yeah i had a couple people pass me.. but oh well, i can ignore it for the next 2 weeks, lol.
You will get used to it.. Or at least I have.
Quote:
Originally Posted by Rand
with an automatic you cant keep it under 2k.. sometimes it wont shift out of first below 2500.. with the foot off the gas (when cold)

Also the torque converter wont lock until the transmission warms up..
Yet another point for the ol' manual trans..

You are correct. Getting good mileage w/ an auto will be a challange. I have no tips for you. Best of luck..
Quote:
Originally Posted by Rand
I'm all for driving conservatively.. but the 2k method will get you shot and killed by some roadrager...
It actually isn't that bad. Pickup trucks are not sports cars. Most people I've met don't expect a pickup to be that fast. Let's get real, the daily commute is not NASCAR or an IHRA run. You may beat me up the ramp and onto the super slab, congrats, good for you. But you'll be held up behind the tractor trailer 2-miles down the road just like the rest of us. My travel times are not that much better when I drive like a lunatic.

As I said before, your choices are simple: drive conservatively and get good mileage, or drive like a lunatic and don't!
Quote:
Originally Posted by Rand
And personally anyone who tries to merge onto a 65+mph highway at 40mph to save gas deserves to be shot.
Well, warm up the gun.. 'cause I do it all the frickin' time. Most of our ramps around here are pretty long. I can be at 50-55 by the time I get to the end of the ramp in most cases. In a few hundred yards I'm up to 70 and reaching for the cruise control.

If you don't like that.. go around! I'm not going to go broke paying for fuel just to avoid inconveniencing you!
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  #37  
Old 04-27-2006
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While I agree our fuel gauges are inaccurate, I know where my mileage SHOULD be depending on where the needle is. right now im at 185miles and less than 1needle width past the half way mark. under normal driving habits i should be around 155 miles. so, to me, thats a huge improvement.

as far as shifting goes.... its cheaper for me to drive at 45 than at 35. at 35 im in 4th gear at 1800rpms. at 45 im in 5th gear at 1500rpms.

Truck goes into dealer at 1130 sat morning, and their gonna wanna drive it to confirm my wobbly mirror, so ima fill up friday night. and ill have number for you all.

i do top seep on the mainline of 55mph in the right lane. and then 60 on the 400 when i am working out in the sticks. at 55 im at 1900rpm. at 60 im at 2,000rpm, and stick to cruise control. going up big hills in the country with out topping 2K rpm's does have the uberly low fun factor as u start out at about 50, and by the time u get to the top ur at like 25... oh well.

keeping her under 2K has been a bit of a change, but everyone is right about the stress level, its alot lower, and seems to me like a bit more pleasureable drive, tho, the thrill isnt there. still the adjustment at first was HARD but as time goes on, it has gottan ALOT easier.

heres so number. me 24yrs old, and dad 63yrs old. Driving a 1995 E350 with the small block v8, cube van at 8,000lbs. when i drive it, i average 7mpg. when dad drives it, he averages 11-12mpg. thats the raw data on driving like a nascar driver vs. driving like a grandma.

tho i have noticei still pass grandmas.
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  #38  
Old 04-28-2006
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I don't care how you slice it, the fuel gauge in our trucks just is NOT a very precise instrument. You cannot count on it for accurate, repeatable measurements. Predicting your mileage w/ measurements as vauge as "1 needle width past the hal fway mark" is just not very scientific.

Our fuel gauges work off a float type sensor in the fuel tank. That sensor puts out an analog signal. That signal is then passed through a resistor and capacitor circuit to cause the needle to move. The circuit is there to act as a very low pass filter. W/o it our fuel gauge would bounce all over the place as the fuel sloshed around in the tank. The filter causes the needle to move much more slowly than the float sensor in the tank. The end result is that the needle is much more of an indicator of the average sensor level. The reading is in fact altered electronically.

Secondly, the sensor is a simple float. Put the truck on even the slightest incline and the measurement will change. Hold the truck on that incline for even 30 seconds and the fuel gauge will start to show innacurately. I know I can park in my buddy's inclined driveway nose in, and pull out w/ 1/4 tank more fuel than I pulled in w/! Park tail in and I drive out w/ 1/4 tank less!

So unless you're leaving the truck parked on a perfectly level surface for more than 1 hour, the gauge is a poor measure of how much fuel is actually in the tank.

And then there's the issue of precision. Our gauges are only graduated at 1/8th tank increments. Those increments are not even labeled. Top this all off w/ the fact that the lowest hash mark does not incicate the tank is completely empty (rather there is a reserve) AND the fact that the top-most hash mark does not indicate completely full (my gauge goes past full when I fill up). This makes the fuel gauge incredibly imprecise.

So don't kid yourself. Do not use the fuel gauge to determine your mileage, ever! It is both inacurate and imprecise..

The fuel pumps at your local gas station on the other hand are fairly precise. Every state I've ever visited has an agency that inspects fuel pumps and certifies their accuracy periodically. In NH the inspection sticker is visible right on the pump. You can see when that particular fuel pump had it's last inspection. By always refilling your tank to a certian point (ie completely full) and taking the measure off the fuel pump at the station, you can get a far far far far more accurate measure of your mileage.

In my opinion it is also important to go one additional step and keep a log. If you keep a log and average your mileage over time, you get a much more accurate model of what's going on. I don't drive the same routes, at the same speeds, in the same environmental conditions every day. Measuring averages and trends helps to compenstate for that one tank of 'bad gas' or that one day I had to punch it because I was late or whatever.
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  #39  
Old 04-28-2006
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everyones truck is different even though they are all rangers. why should i change my driving habbit if i can only yeild 1mpg. my truck fluctuates from 14-15mpg everytime i fill up.some times if a low 14 sometimes its a low 15. ive tried saving fuel, and driving like mentioned above, it doesnt help my truck.

wish i had a manual tho.
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  #40  
Old 04-28-2006
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What colin says about Fuel guages is right on, Any of you here that own any GM product over, say ten years old, know what it's like to have an "Accurate" guage! They are steady as long as it is full, and after about 1/4 of the tank is gone they bounce all over the place. Once you get to a half a tank when you go around a corner your guage wiil bounce from E to F and finally settle in the normal position. When I bought My 1992 Roadmaster This annoyed the Heck out of me, but you get used to it. I don't know if they still do it, But my olds, My cadillac, My sisters S-10 Blazer they all do it. Never driven a GM that didn't.

Now me personally, I rarely chack my gas mileage, I fill up from 1/4 tank on all my cars and If I usually get 220-235 out of it, and usually that is about 12 gallons of gas. One time in South Dakota, I was forced to drive until the Check Guage light came on, and I still only put in 16 gallons. Our guages are a little screwed up. I really could care less about Gas mileage, unless it started to get to me only getting 100 miles out of a tank or some other noticable drop, if it was really my concern, I wouldn't be driving a Truck, I would have a Diesel Car or a *Smelling My own farts* Hybrid. If gas goes up to 10 bucks a gallon I am screwed reguardless of weather I can or can't get an extra 20 miles out of a tank.

~HJ
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  #41  
Old 04-28-2006
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I tried it for 2 days and i've saved......$1 a day....hey a dollar is a dollar!
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  #42  
Old 04-28-2006
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I've noticed my truck will upshift around 2200 rpms. Doesn't really amtter though. I can do little parts at 2.5k.

The only real problem tho? I keep on gunning it real fast by hot chicks.
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  #43  
Old 04-29-2006
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i've been good for the past few days... driving mainly right at 2000 rpm's... sometime's i'd have to go to 2500 to shift (damn auto). my needle is just below full at about 40 miles on the odometer, although I KNOW OUR GAUGES ARE NOT ACCURATE. if anything, this experience is making me learn to drive VERY conservatively, which is good for my wallet!

and Colin, i've already learned to getting used to people passing me. route 202 in my area goes from 2 lanes to one lane to two lanes a few times in between my house and my school. it's funny.. people pass me.... then i catch up, then they pull ahead.. then i catch up... and by the end of my 6 or 7 mile ride.. while they've been riding people's asses jumping lanes to get ahead.. they actually in reality only manage to get like one or two car lengths ahead of me, lol. meanwhile.. i've been driving like a 70 year old, barely touching my gas pedal, lol.
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  #44  
Old 04-29-2006
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While I know our fuel gauges in a $20K truck are not as accurate as one in a $200K car.... I have checked my mileage against the gauge since I bought it, and every time its in the same place. Around here there are no big hills to speak of, unless u go out in the country. this are is pretty flat. my driveway used to have a slight incline to drain the water off to the street, but, 5ft of fill, and a HUGE driveway, and 40years of settlement has pretty much levelled off my driveway, and its safe to assuse its pretty flat as well.

that being said, mile mileage in accordance with my guage, i know where it should be depending on where my gauge is.

now, according to my incomplete fuel log... the past 6 tanks, going back 3 months - cause its an incomplete log, my average was 15mpg. my highest was 17 on a trip... this tank, last night, 225 miles 12 gallons of gas, equal 18.75mpg of MOSTLY suburban driving. i dont know about the rest of you, but i can shift thru all 5 gears with out going over 2,000rpm. and, i will continue to drive like this to get a more accurate average and let you all know where my mileage stands.
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  #45  
Old 05-01-2006
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I'd be surprised if the $200k car even had a very accurate fuel gauge. Fuel gauges just aren't really worth spending lots of money on.. so nobody does. If you think you can accurately gauge your mileage by using the fuel indicator, well then more power to you. Mines about as useless as **** on a bull. But as always, YMMV..

So another weekend, and another fillup. This time the math works out to about 18.7 MPG. I really should upgrade my excel file and upload a graph for you guys. You can clearly see when Dave convinced me of this 'keep-it-under-2k' deal and I cleaned up my act. My average seriously went from ~15 to ~18 just like that. And to me, +3 MPG is worth every jackass that rolls past me waiving their fingers at me..
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  #46  
Old 05-01-2006
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I'm doing the under 2k thing as compared to my usual jackass driving and right now I think i'm going to get raelly good gas mileage. The needle hasn't move much as compared to its usual pattern.

Aaron
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  #47  
Old 05-01-2006
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went on a small road trip yesterday, filled up friday. when i topped off my tank yesterday, I was at 180miles, and just below half way.... heres the good part.. only took 8 gallons to fill it. so, lets see

8gallon/180 miles = 22.5 MPG for a 4.0 automatic! not bad If I do say so myself, and that was just cruising around looking for places to go get muddy... a real thruway type road trip ought to be interesting. the key is, under no circumstances can u go above 2K rpm. tho u can cheat and go to 2200 but not for long. the lower the rpm = the less fuel u use = the more mpg = the more $ u save = the less mnoney u give to the oil industry.
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  #48  
Old 05-01-2006
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Quote:
Originally Posted by FMD
went on a small road trip yesterday, filled up friday. when i topped off my tank yesterday, I was at 180miles, and just below half way.... heres the good part.. only took 8 gallons to fill it. so, lets see

8gallon/180 miles = 22.5 MPG for a 4.0 automatic! not bad If I do say so myself, and that was just cruising around looking for places to go get muddy... a real thruway type road trip ought to be interesting. the key is, under no circumstances can u go above 2K rpm. tho u can cheat and go to 2200 but not for long. the lower the rpm = the less fuel u use = the more mpg = the more $ u save = the less mnoney u give to the oil industry.

I have to go above 2k rpm. There's too many sloping hills that are at the base of a turn. simply i can go up them at 20 mph in 1st gear or i can go up em at 2700 rpm and at the top i go back to low rpms.

Aaron
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  #49  
Old 05-06-2006
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Well I am at my 3rd fill up atbelow 2000 rpms, as of right now, my average mileage, is 19.3MPG for a 4.0 automatic. highest was 22, lowest was 18.

I do kinda wish the truck would shift into 5th below 43mph, cause im at 2K rpm at 40, which means im "legally" speeding to get it in 5th. then i can lay off and run at 40 in 5th, but, thats kind of a pita. btw, the truck will stay in 5th till about 36mph, then itll downshift, yet wont upshift till 43mph..
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  #50  
Old 05-09-2006
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I've been meaning to post this, here are my last 6 fillups:

Date - Days Since Last - Total Sale - Gallons - Odometer - Miles Traveled - Price Per Gallon - Cost Per Mile - MPG
------------ --- ------ ------- ------ ---- ------ ------ -------------
25-Mar-2006 7 $34.06 14.561 34561 263 $2.34 $0.13 18.06194629
30-Mar-2006 5 $40.46 16.864 34888 327 $2.40 $0.12 19.39041746
10-Apr-2006 11 $42.00 16.540 35186 298 $2.54 $0.14 18.01692866
22-Apr-2006 12 $47.75 16.760 35498 312 $2.85 $0.15 18.61575179
29-Apr-2006 7 $42.23 14.772 35778 280 $2.86 $0.15 18.95477931
5-May-2006 6 $46.19 16.155 36092 314 $2.86 $0.15 19.4367069

My lifetime average is up to a little over 17 MPG. Fuel cost/mile is still at about $0.12/mile. This is through 36,000 miles.

Average for last 25 fillups: 17.7 MPG
Average for last 5 fillups: 18.88
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