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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #26  
Old 10-03-2007
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My wife always gets worse milage than I do. And overall I drive harder faster than she does. Women.. for what ever reason tend to GO and STOP. It's like there is no in between with them. You'd think the left pedal was red and the right green or something?

Rich
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  #27  
Old 10-03-2007
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get her a civic or a car with no power but awesome gas mileage....or take her car away and make her ride the city bus..haha.. the last one was a joke...
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  #28  
Old 10-03-2007
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I don't think Rich would ever buy a honda civic....
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  #29  
Old 10-03-2007
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Quote:
Originally Posted by zabeard
ditch the truck. trucks are not made to get great mpg numbers. no matter what you do you will not get over 20.
Zack, this statement is not true... My truck gets mid 20's on long trips and I average 20-21 in MOSTLY city driving....

My advice, get rid of the tires. You need to get tires that aren't super heavy and have low rolling resistance. My Michelin LTX M/S's are great if you don't go off road (other than dirt). Second, as mentioned, run your tires at the correct pressure, believe it or not, that makes a big difference. Remove extra weight, get a cap or tonneau cover. Oh, and most important, easy on the skinny...
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  #30  
Old 10-03-2007
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ok so im getting rid of the muds and i try my hardest not to push it down to far even tho it sounds good lol
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  #31  
Old 10-04-2007
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90% of gas mileage is the way you drive. The other 10% is tune up, tire pressure and the such.
Watch how many people are doing 75 mph on the highway then hit the brakes. The gas energy used to drive 75 is converted to heat at the brake shoes. Heat does not save gas. Watch how many people don't stop at redlights and stop signs but slam the gas in the turn. SLOW DOWN. On my motorcycle I get about 38 mpg doing 75-80 and I get about 45-48 doing 45 plus I can still this kind of mileage with 2 people. If you are looking down the road and you see brake lights just take your foot off the gas and many times you never have to hit the brakes, gas saved. Going down a big hill? Slow down as you near the top and then just leave you foot of the gas and brake pedals as you coast down, now there's some great gas mileage there for a short period. Most people ride there brakes down a hill. If you stop at redlights and stop signs you won't need to ride the brakes through the green light thinking that others drive like you and you are waiting for someone to cut you off. Don't try to beat a yellow light. If it changes just a nice easy stop.
I average 100,000 miles on a set of brakes and always have pad left. I also get just under 21 mpg with a '06 ext cab 4x4.

Of course the best gas savings will be with a bicycle or walking. What Americans walk..... :O
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  #32  
Old 10-05-2007
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Quote:
Originally Posted by k.blakeley
regear to 3.55....go to stock tires...carpool......

I'm sorry but I hate it when people blame fuel mileage on gears. RPM DOES effect your mileage, but maybe 1-2mpg from what I've seen. I drive the highway all the time and when I went from 3.27s to 4.30s in my Mustang, I didn't even drop two full points. I've got 4.10s on my 4.0 and I run 21-22mpg. Like Victory said, it's all in how you drive your truck. Plus I will agree, bigger tires don't help one bit.
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  #33  
Old 10-05-2007
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i agree....i got 4.10 with 33s and i get 16mpg all the time. I drive like a old lady on her way to church
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  #34  
Old 10-15-2007
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Quote:
Originally Posted by dngerzone
get her a civic or a car with no power but awesome gas mileage....
Well... she drives a 275HP Caddilac w/a 100shot of nitrous to boot. Civic? Naw.. don't think so.

Rich
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  #35  
Old 10-15-2007
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i get
~12 city
~17 highway
~3 off road haha (low all day/ac blasting)


just don't push the gas pedal as much, and don't get up into the higher RPMs and you should get better..
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  #36  
Old 10-15-2007
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Try not going over 50mph. Acelerate so that the RPMs don't go over 2600. (My truck shifts at around 2500) i got 18mpg doing that.
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  #37  
Old 10-15-2007
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The biggest improvement I found in increasing my MPG was to keep the tires inflated. I check weekly. I was surprized how much difference it makes. Driving reasonably helps too. but I already did that so the proper tire inflation was the key for me.
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  #38  
Old 10-15-2007
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The truck will get the best mileage between 50 and 55. Overdrive = best mileage.

Watch the tach and try to keep it as low as possible while at cruise.


In my own testing hard accelerating or grandma style putting yield the same mileage. Only difference is cruising in overdrive.
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  #39  
Old 10-16-2007
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I watched a Mythbusters and they proved the best milage they could get out of a pickup was with one those tailgate nets, canopy or other box covers is the same as having nothing on but the tailgate. I also find that inflating your tires to 35 makes them roll easier and your milage will go up.

I drive 650 miles every Saturday with my Ranger loaded with 1500 pounds of waight and I get 25.6 miles to the gallon and all I have done is set my tires at 35 pounds, new wires and plugs and K&N filter. Oh and like many others have said just drive it nicely..

I should also add that if you change your tranny. transfercase and diffs to synthetic oil that you will create less friction and better milage as well as prolonging wear on those pieces.

Last edited by Bart68; 10-16-2007 at 01:25 PM.
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  #40  
Old 10-16-2007
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I know the 3.27 gears suck but i sure do love the gas mileage they give a 4.0
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  #41  
Old 10-16-2007
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i wouldnt regear, it could actually hurt you, lower the rpms too much for crusing speed and you will be out of the rpm band the motor should be in. i as a test drove one week without using o/d and only lost 1/2 mpg. i get about 17-18 with the ohv 4.0 4x4 3.73s and 235-15 tires. i do have a cap and i do coast down to stop signs in the country. i actaully shift at about 3 grand, then when i let off the clutch in the next higher gear im at a higher rpm to start and not bogging the motor. i run 40 psi in all 4 tires, yes the centers wear a little more, but not enough to worry me. the only synthetic ive been running is mobil-1 atf in the trans, and im thinking of switching to pennzoil sycromax when i can afford it. less aggresive tire s will help. i run liberator a/ts in summer on factory alloys and winter wheels are pepboys dakota futuras on jeep wrangler steel wheels, both sets stock 235-15 size.
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  #42  
Old 10-16-2007
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im gettin the same mileage a little better at times..runnin 4.88 gears, xcal2 programmer and 37" M/ts
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  #43  
Old 10-22-2007
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when i used to drive 160mile round trip everyday for work up in north austin i got up to speed slowly and set cruise control between 60-65.... doing 70-75 only gets you to your destination 5 MAYBE 10mins faster... and i got 24mpg 4.0 3.55gear.
on a trip from houston to s. padre i set the tire pressure at 40psi and cruised 75-85(the lead car liked that speed for somereason) and got about 21-22mpg with probally 500pounds in the bed..
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  #44  
Old 11-08-2007
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I work for Ford and they just program the pcm's wrong. THey are still programming them to get maximum gas mileage at 55mph. Who really drives 55? I have a 2002 4.0 at 4x4 4.10 rear gears stock tires. I get about 15mpg average. My dad has a 1986 chvey ton truck with a 454 that gets 10mpg pulling a race car trailer. Major problems with todays cars and trucks.
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  #45  
Old 11-08-2007
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Based on all my mods here is what car test says I should be getting. (MPG vs speeds in each gear) I actually get a little better than this shows.

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  #46  
Old 11-14-2007
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I used to get 14-15 city, 18-20 highway but then it went to hell and gets about 10-13mpg regardless of city, highway, driving style, wind velocity, etc. I've replaced plugs (in good shape), checked tire pressure, pcv, and other things and nothing seems to help Truck also runs a bit rough and all is steadily getting worse and no one can find anything wrong with it. its the OHV 4.0 though. Fuel filter & a lot of other junk has been replaced. Its all stock except a K&N filter.

Our Explorer w/ 124k gets about 15-18 in general, stock tires & no mods w/ SOHC.
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  #47  
Old 11-14-2007
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Quote:
Originally Posted by wydopnthrtl
Based on all my mods here is what car test says I should be getting. (MPG vs speeds in each gear) I actually get a little better than this shows.

What did you use to figure this?
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  #48  
Old 11-14-2007
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http://www.cartestsoftware.com/cartest2000/index.html

It takes some time to get all the data tweaked.. but I've found this program to be quite accurate for many different cars.

Rich
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  #49  
Old 11-14-2007
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Quote:
Originally Posted by wydopnthrtl
My wife always gets worse mileage than I do. And overall I drive harder faster than she does. Women.. for what ever reason tend to GO and STOP. It's like there is no in between with them. You'd think the left pedal was red and the right green or something?

Rich

I notice the same thing with my wife. I get a pretty consistent 500kms (310 miles) from full till the fuel light goes on. If my wife drives my truck for a couple of days I get 450. My truck is bone stock and I'm quite lead footed also. lol

I think how the torque converter is set up on these trucks is part of the reason for the large discrepancies in fuel mileage. I've noticed while driving down the highway if you lift up on the pedal a little and push it back to where it was it causes the converter to unlock. It then takes a couple of seconds for it to lock back in again. If you are the type of driver who adjusts a lot you will get crappy mileage cause of this.

Driving with overdrive turned off in the city is another way to save on fuel. In my Dodge I've found that when driving under 80kms/hr (about 45mph) I get better mileage with od turned off. Almost 20% better also due to the torque converter. My Dodge also has a real time fuel mileage readout. I haven't found which speed it works for the ranger yet due not having this feature so I run the same as with the Dodge. I'm hoping that when I get a tuner in the future I could use the datalogging feature to look more into this. I'm also hoping the tuner could help keep the converter from unlocking at the slightest movement of the gas pedal. Cause every time that sucker slips you are wasting fuel.

This is my theory and when/if I do find a tool that lets me see a real time readout of my mileage I'll look more into this.
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  #50  
Old 11-14-2007
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Quote:
Originally Posted by Z1K
I'm hoping that when I get a tuner in the future I could use the datalogging feature to look more into this. I'm also hoping the tuner could help keep the converter from unlocking at the slightest movement of the gas pedal. Cause every time that sucker slips you are wasting fuel.

This is my theory and when/if I do find a tool that lets me see a real time readout of my mileage I'll look more into this.
Yes the x-cal (base tunes from SCT) do keep it locked up more. Especially in the "TQ" tune. Having it go unlocked longer/later is the opposite of what you want. You want it to stay locked *more*.

The SCT live link does not allow/caclulate instant milage. But there are other products out there that do.

btw, I find it interesting in the milage me and the Mrs can get out of the same car. She took my truck the other day and did about 30 miles of local running around and used pert near a 1/4 of a tank! If I did'nt know better I'd think she stops and just pours some out at every light! Or maybe she's like sammy haggar in "I can't drive 55" One foot on the brake and one on the gas..

Rich
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