Author Topic: Whatcha all doin' to increase fuel mileage ?  (Read 4725 times)

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Offline howdy doody

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Whatcha all doin' to increase fuel mileage ?
« on: May 19, 2006, 08:23:53 PM »
I'm always open to some tips. I drive a Dodge Ram with a hemi. So far all I have done is go to Mobil 1 oil. Looking at maybe an air intake system. I increased tire pressure to 40 PSI.
What else could I try?
yer pard,
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Offline R.W.Dale

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Whatcha all doin' to increase fuel mileage ?
« Reply #1 on: May 20, 2006, 03:26:18 AM »
Buy a $500 thrashed out econo box car and drive it untill it quits and then buy a diffrent one.

 Seriuosly how do you drive what speed, are you the type that always charges up hills maintaining the same speed or acceleaating. Or do you let the truck lose some speed on the uphill and gain it back for free on the downhill.

 Do you always have to be with the pack when leaving a light or do you give the engine 45mph worth of throttle and let the truck take it's time getting to speed.

 Your driving habits will have a much bigger effect apoun your fuel economy than any mechanical gimmics. But either way the truck is still going to be a gas hog, The best you can hope for is you just may be able to get it to be slightly less of one.

Offline BlkHawk73

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Whatcha all doin' to increase fuel mileage ?
« Reply #2 on: May 20, 2006, 09:25:13 AM »
Wonder how many others that just had to have the bigger endine, hemi or other, and are thinking fuel milage now.   :lol:  If you can spend the extra for the more horses, you gotta be prerpared to spend the little more on the fuel milage.  

  ok, rant off.  

   Over inflation isn't good either so stay within reccommended PSI.  Like mentione dpreviously, it's more so the manner in which the vehicle is driven that has an effect of fuel economy.
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Offline str8shooter48

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Whatcha all doin' to increase fuel mileage ?
« Reply #3 on: May 20, 2006, 10:08:01 AM »
I might give Mobil One a try the next oil change. Then maybe start putting some miles on my two Treks ( bicycles). I need to burn a little excess fat ,more than I need to burn gas :)

Offline Graybeard

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Whatcha all doin' to increase fuel mileage ?
« Reply #4 on: May 20, 2006, 12:24:20 PM »
I park that sucker and stay home a lot. But then being retired I don't have anywhere I have to be all that often. I got my 2005 Toyota Tundra on Oct. 9, 2004 and even tho I've made a trip to the far end of the OK panhandle and one to KY since getting it I've just rolled 11,000 on it. You'll safe a lot more not going so many places you don't need to go than you will with any mileage tips.

This will perhaps be the last truck I ever own as it should outlast me. At the rate I drive and with the normal life time of Toyota trucks I'll not live long enough to use up even half of it's life time.


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Offline jh45gun

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Whatcha all doin' to increase fuel mileage ?
« Reply #5 on: May 20, 2006, 12:45:36 PM »
I kinda am in Bill's Camp I do not drive it as much if I do not have to go anyplace I do not, where before I might have went places just for (censored word) and grins. Yea my truck eats up more gas than a crackerbox but it is a hell of a lot more comfortable too for a big guy and with the 4x4 I do not worry about snow or getting stuck in soft sand ect.
Said I never had much use for one, never said I didn't know how to use it.

Offline Keith L

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Whatcha all doin' to increase fuel mileage ?
« Reply #6 on: May 20, 2006, 12:57:00 PM »
Quote
Buy a $500 thrashed out econo box car and drive it untill it quits and then buy a diffrent one.



I have been looking, but the $500 ones have jumped to $4500.  All of a sudden they are made of gold.  I hear gas will be going down in price soon, but only temporarily.  I may get one then and have it for the next jump.
"Beer is proof that God loves us and wants us to be happy."  Benjamin Franklin

Offline jgalar

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Whatcha all doin' to increase fuel mileage ?
« Reply #7 on: May 21, 2006, 04:13:19 AM »
What am I doing to increase mpg? I am trying to stay off the throttle and accelerate slowly. I have changed the air filter and made sure the engine is tuned. I am working on adjusting tire pressure so that I have a difference of 10% between hot and cold readings. The change in mpg is minimal the biggest effect is the amount of throttle. I am currently getting 40-43 mpg around town and 65-80mph highway commuting.

I have determined if I want better mpg I need to get rid of the crotch rocket and get a different motorcycle. The little 250cc starter bikes will get 80-90mpg and a mid sized 400-600 bike or scooter should get 50mpg or better.

My truck sits in the driveway unless its raining or there is ice/snow.

Offline Brett

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Whatcha all doin' to increase fuel mileage ?
« Reply #8 on: May 21, 2006, 08:49:17 AM »
Even with the new engines that shut down a couple of cylinders when they are not called for your right foot will have the biggest effect on your millage.  If you right foot is calling for eight cylinders all the time that's what you'll get.  :D
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Offline EVOC ONE

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Whatcha all doin' to increase fuel mileage ?
« Reply #9 on: May 22, 2006, 05:09:55 AM »
If I were driving a truck/SUV that produced extremly poor mileage, I would strongly consider another model.  

If someone desire's one of these type vehicles over a car just as a personal preference there are many that get decent enough mileage to justify a compromise.  If there is an absolute need for a large engine-full size vehicle, then the mileage probably has to be endured.

I drive 150 miles round trip to work each day in the Balto-Wash area.  As in all large metropolitan areas, there is a significant amount of traffic.  

For what I choose to endure for my employment, I want/need a vehicle that allows me to see above/over as much traffic as I can, has a longer wheel base for comfort, AWD/4X4 capabilities for inclement weather, gets decent (acceptable) fuel economy and that I can use for hunting/range duties.  For those reasons, I selected a 2000 Explorer XLS 4dr.  I purchased it used in 2003 with 22k and it was dirt cheap compared to a new one.  The XLS was available with the lower powered 4.0 V-6 and meets the needs I've listed.  It's fully optioned on the interior and doesn't have the fancy trim that the XLT or Eddie Bauer has, so I don't have to worry to much with messing up the exterior while hunting or at the range.  I average 20-21 mpg to/from work and easily 23-24 on the highway and the "reduced" horsepower (140 factory rated) is sufficient.  

Explorer's sometimes have the reputation for being "Exploder's".  I've been fortunate, mine has 132,000 miles and is still going strong.  I'll be the first to admit they are virtually nothing more than a modern day station wagon with 4X4 capabilities and probably should not be considered as serious off-road vehicles.  But it is suffiecient for my recreational needs.  I have the oil changed every 3000 miles (about once each month) and am very serious about maintaining proper tire inflation. I use cruise control when I can and try to drive as smooth as possible.  Easy acceleration from a stop.  No un-necessary erratic movements.  

I could choose an automobile.  Anything with a similar wheebase and power puts me in the Impala, Taurus, Ford 500 class.  The gain in mileage that these vehicles get over my Explorer is about the difference in having AWD/4X4.  The Ford 500 is offered with AWD and the projected city miliage drops down to where my Explorer is. Considering the projected mileage of a mid sized automobile (avg 25 city-30 hwy?) its not worth it to me  to give up a "truck" type vehicle for 4-5 mpg.  

I also have a 2003 Ford Ranger with the higher horse power 4.0 V-6 and it gets 18 mpg everywhere I go.  It only has 23k on it, so perhaps it will get better.  But, I want a pick-up and I don't need a full size with a V-8. So the Ranger does the job.

I guess if I were going to spend lots of money to enhance exhaust/computor systems, as some do, and possibly void any remaining warranties in an effort to increase fuel milage. I would have to compare the savings versus cost of the modifications and, as I mentioned, reconsider if I need such a vehicle, or would something more economical suffice.

Regarding tire pressure.  The p.s.i listed on the side wall is generally the "maximum" air pressure that the "tire manufacture" guarantees is within safe limits.  Most vehicles are not recommended by the vehicle manufacture to operate at those maximum pressures.  Heat caused by the friction created by tires in operation causes the air pressure to increase which causes the air pressure to exeed those limits after just a few miles.

Apologies for being so long winded.

EVOC ONE

Offline howdy doody

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Whatcha all doin' to increase fuel mileage ?
« Reply #10 on: May 22, 2006, 10:34:53 AM »
Well, the Mobil 1  seems to help a bit. I made the exact same trip of 264 miles and picked up .3 of a mile per gallon. That brings me up to 19.8MPG for the trip to my daughters house and back.
That would be empty, tailgate up, windows closed, a/c on and for the most part, on cruise control at 65 mph. One big mountain to climb and coast down.
To satisfy those that wonder why I might need a big gas engine, it is to pull my trailer to far from home shoots. I got rid of a cummins powered truck that at best would get me 16 mpg.
My next thing to try,  is going to be a bolt on spoiler for below the front bumper. After that, I might try the aftermarket air box and the K&N filter bit. There have been good reports on those. I hesitate on the exhaust system, because they are noisey and the cost would actually buy me a lot of gallons of gas.
Long trips are boring. My thing now is to see play with the gas mileage, try different RPMs and road speeds. It breaks up the monotony.
yer pard,
Howdy Doody
 
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Offline EVOC ONE

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Whatcha all doin' to increase fuel mileage ?
« Reply #11 on: May 22, 2006, 12:09:55 PM »
Hello Howdy.  19.8 mpg from a full size truck with a high horsepower engine is outstanding in my book.  Your doing as well as my V-6 140 hp Explorer and better than my Ranger.

I have also heard good reports on the K&N and it is not a very expensive modification.  You could see 20+ mpg with it.

I had a 1994 F-150 with a fuel injected 300 I-6  and a 5-speed manual.  I installed a hard bed cover and increased my highway mileage by 2 mpg.
Perhaps a bed cover would work for you, unless your trailer is a 5th wheel model.  The hard covers are expensive, though.  Personally, I wouldn't go with a hard cover again.  You lose the versatility of the truck and they require a large place to store when removed.  I would favor a soft cover with a decent, expandable frame (I hope that was a proper description).

Good luck!

EVOC ONE

Offline howdy doody

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Whatcha all doin' to increase fuel mileage ?
« Reply #12 on: May 22, 2006, 06:14:06 PM »
EVOV ONE, yes I have a big engine and as you might know the Dodge 4.7 won't do as well on miles as the hemi. Probably because my 2004 hemi custs two cylinders electronically when not needed. Plus the 16 spark plugs and the 8 coils might be another thing they came up with to sell them as a fair mileage machine. I have a tow trailer and I am going to look into the hard style tonnaue cover for the bed. Thanks for a good tip.
I have also found through reading that putting the tailgate down actually does not help mileage, but hurt it. The cover would let air slip past. Good tip.
yer pard,
Howdy Doody
 
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Offline EVOC ONE

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Whatcha all doin' to increase fuel mileage ?
« Reply #13 on: May 22, 2006, 11:40:56 PM »
Howdy:  Keep us posted on how you do.

EVOC ONE

Offline howdy doody

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Whatcha all doin' to increase fuel mileage ?
« Reply #14 on: May 23, 2006, 09:06:51 AM »
I'll let you know how I make out, for sure. In fact I am heading north to Norcal this Thursday and will be pulling the trailer. It will be for the most part a flat route until I head east to the Sierras. The match isn't too high up, about 3000 ft elevation and I am determined to run the truck lane and keep my road speed down to 60 MPH, which is supposed to be a sweet spot for trucks with my gearing and tires. I'll let you know.
yer pard,
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Offline ihookem

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Whatcha all doin' to increase fuel mileage ?
« Reply #15 on: May 28, 2006, 12:17:34 PM »
Howdy doody, 19.8 is darn good for a Hemi. I bought a diesel GMC this year and was getting 19.2 avr.  Then reading all the stuff about siesels getting geter mileage by staying at 1800 rpm. I gave it a try. So going from 64mph. to 59 mph I went up to 21.2 avr. to work and back ( 75% highway. And at 59mph all highway I will do almost exactly 22mpg. The gas engine won't  get 2mpg. better for slowing gown 5mph. but it will help enough to notice a difference. Also, I'm sure you love the truck but if you're pulling a trailor,  a diesel is awsome. Just in case you're thinking of a trade.

Offline howdy doody

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Whatcha all doin' to increase fuel mileage ?
« Reply #16 on: May 30, 2006, 06:16:09 PM »
Well, my trip this past weekend of 664 round trip miles only netted me 18.3 mpg. I had a strong side wind all the way north and mileage was down to 17.8 and the best I could do coming back was the 18.8 or so and when I computed for the trip it was only 18.3 mpg.
The end of next week I am heading south and maybe I can do better. I am on cruise control and doing 65 mph and around 1850 rpm.
yer pard,
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Offline magooch

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Whatcha all doin' to increase fuel mileage ?
« Reply #17 on: June 10, 2006, 03:29:55 AM »
I bought a new Toyota Tacoma with the 4 cylinder engine and a stick transmission.  This thing is sweeter than a new girlfriend.  I don't know how good the gas mileage is yet, but it's got 272 miles on it and it hasn't burned a half a tank yet.

Other than that, I put as many miles on my bicycles and sometimes the motorcycle as is practical.

Oh yeah, I also drive my old faithful rice burner Datsun for local runs.
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Offline hillbill

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #18 on: July 23, 2006, 03:56:18 PM »
i hate to say it but there is no silver bullet to increase yur gas mileage. driveing style seems to be the only way for me to increase mpg.most 4whl drive rigs will get a nice increase if rpm is kept below 2500. yes i know this means 45 to 55 mph depending upoun yur gearing.ease up to cruising speed and throw it out of gear and coast to the stop sign with minimal brake application.{brakes cost too}ever wonder why granpa or dads trucks lasted so long?main thing is gearing, when yu buy a new truck, find out what the rear end gears are. higher than 3.73 are good for mpg but can be bad if yu habitully pull heavy loads.gears in the 4.??? range will never get yu optimum mileage but will pull better in heavy use.do your research and buy the gears(and truck) suited to your use.

Offline howdy doody

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #19 on: July 24, 2006, 06:50:32 AM »
I had to go to LA last week. I had a good run of it going down there, the traffic was moving. I had filled the tank with 89 octane Arco/BP. I set the cruise control for 65 MPH and rode the right lane with the trucks. I only needed to get of cruise the last twenty miles. I forgot to check the going miles. On the return there was a lot of stop and go traffic. When I finally got back on cruise the traffic was light. I checked the mileage when I got home. I got 19.3 MPG.
I am going to keep trying the 89 octane mid range gas for a couple tanks, even though the price around here currently is $3.17 and see if the mileage stays up for local use too. I also plan to put an additional air dam below the front bumper soon. I'll need to be careful for parking and speed bumps though.
yer pard,
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Offline Paladin

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #20 on: July 26, 2006, 04:05:05 PM »
Howdy Doody- try running a trip using premium fuel. won't help on short trips but out on the road it lets the system strech the timeing out and gives a better burn. short trips in town, might be worth installing an elect fan and get rid of that horse power stealer in front of the H2O pump.

Offline howdy doody

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #21 on: July 26, 2006, 08:11:02 PM »
Howdy Paladin. Would that electric fan do the job with the A/C on? I need to run it about all the time about 7 months of the year around here. Today's temp 110, uhggg!
I will try a trip or two on the premium. If I could pick up another mile and a half per, it would pay for itself. Premium around here now $3.30.
I also know from others that a hard bed cover would help, but I find they are expensive and my truck is that premium paint called flame red and I would need to get a repaint on the cover too.
yer pard,
Howdy Doody
 
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Offline Paladin

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #22 on: July 27, 2006, 04:13:23 PM »
you betcha, not only will it save fuel it will make the A/C work better. one of the problems with adding stuff to get better fuel mileage, you come to a point where the cure costs more than the saveing.  good luck

Offline Charcoal

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #23 on: August 09, 2006, 11:36:41 AM »
I love my 2001 Toyota Tundra TRD 4x4 but as a daily driver the fuel consumtion is terrible 15-18mpg depending on conditions.What did I do?bought a 2006 VW New Beetle TDI(diesel) with DSG tranny.Now I get 40-48 mpg,run B20 homebrew bio-diesel in it(0.75 cents a gallon) and use the Tundra strictly for hauling/offroad.

Offline Keith L

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #24 on: August 21, 2006, 10:31:22 AM »
I gave up and bought a used Contour that gets 34 miles per gallon on my one hour each way daily drive to work.  It will save me $350 per month at current prices.  I did keep my truck however to pull my boat and other duties that need a truck.  And I get to drive it whenever I need to feel like a man again.
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Offline Daveinthebush

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #25 on: August 21, 2006, 12:18:37 PM »
I just did a trip up what is called the Haul Road (450 miles) here in AK.  The Ford F-250 diesel with a 1,000 lb. camper, 2 spares, 20 extra fallons of fuel, 5 gallons of water and all of our hunting gear got 16 m.p.g.

I don't think that is all bad for a gravel road up through the mountains.   
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Offline Keith L

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #26 on: August 21, 2006, 03:44:11 PM »
I don't either.  I see diesel in our future.  My mechanic isn't sure though.  He thinks the diesel made to work in the new (2007) vehicles will drive the price sky high.  I guess we wait and see.
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Offline INresponse

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #27 on: August 22, 2006, 08:22:53 PM »
I have also found through reading that putting the tailgate down actually does not help mileage, but hurt it. The cover would let air slip past. Good tip.

In the old days, when my '72 Chevy C-10 was the only vehicle I had, on long trips on the highway I would drop the tailgate.  It got me about 1.5 mpg better.  What I read way back when was that the tailgate let the air flow down past the cab of the truck and allowed it to flow out the back without creating a vacuum behind the truck.  Similar to the ugly sloped rear ends of the newer cars where the truck deck lid slopes down towards the rear bumper.  I am not sure of the car models, something like the Olds Aurora or Mercury Sable, I think.  I don't have the article anymore but it was in one of the car magazines like Hotrod or Super Chevy.

Now I have 4 other vehicles parked in the drive alongside the old C-10 so it doesn't get much drivetime anymore, but I don't think things changed in the aerodynamic world.
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Offline jwinva

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #28 on: January 28, 2007, 01:43:20 AM »
You might considere a tonneau cover

Offline Hairtrigger

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Re: Whatcha all doin' to increase fuel mileage ?
« Reply #29 on: January 28, 2007, 02:43:32 AM »
When I purchased my diesel Ram I got 17 mpg on the highway.
Since I  have installed a freer flowing intake and removed the factory cat and muffler and replaced that with a free flowing muffler. It sounds like a truck now!
Next I added a juice box and keep it set at lever 3 of 5 settings.
I now get 24mpg at 75 mph. Do I drive enough to get payback for the added cost?
Also, fuel additives are necessary on today's diesels which also claim mileage increases.