What can I do to help MPG!!
01-25-2015, 09:27 PM
#11
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Location: Rockie Mountain's. BC
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My 08 5.4 SC'ed FX4 get better than 13mpg totally stock drive train (3.73LSD) All to do with the tune & intake
So do you have bigger or smaller than stock tires?
Gear change is gonna run big $$$$.
So do you have bigger or smaller than stock tires?
Gear change is gonna run big $$$$.
01-25-2015, 09:35 PM
#12
Did you not see where I said I needed a truck. Why even post a stupid response when i clearly stated that above to weed out stupid answers like that? Even before leveling kit I pulled the same MPG. I have the 3.73 rear end. I wonder how much it would cost me to switch to the 3.55. I drive too much to only get 13.8.
Just because you have an fx4 doesn't mean you have the 373s.
The following users liked this post:
beetlevegas (01-26-2015)
01-25-2015, 09:36 PM
#13
Can you give me more information on the tuner you have? what tunes did you get and where to buy? I had the sct TS, no custom tunes and I wasnt impressed. I have been looking at the SSI, Livernois and 5star tunes. I dont know which ones to go with yet. I just need sometheing to help.
First 5 tunes are all 5* the last race tune is from MPT, I have run all of them and with exception of the 87 economy tune they are all great.
3:31 gears 2wd
I'm currently running the race tune from MPT as a daily driver because the beauty of MPT tunes is they allow you to change to a less aggressive shift pattern using the tow/haul button for a better around town feel.
The down side to all of them is it's so much fun to drive now it's hard to keep my foot out of it.
Last edited by RLXXI; 01-25-2015 at 09:43 PM.
01-26-2015, 12:07 AM
#18
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I've running 3.55 in my 3.7 and consistently averaging 20. Bone stock 4x2. I ran a Bully Dog and breather on my super duty with custom tune and increased 3mpg. Theoretically, what you're doing should have helped.
01-26-2015, 12:12 AM
#19
You can't possibly be complaining when you have a minor lift kit,all terrain tires
.....and gas is below $2 a gallon.
Because if you are not liking it now, you better just sell it.
Gas prices were double that not long ago.
Ditch the leveling kit, and the aggressive tires.......start there.
~ 1 gallon of fuel used DOES NOT show what the exact MPG's truly is.
Driving a full highway road trip, and post the mileage and MPG.
.....and gas is below $2 a gallon.
Because if you are not liking it now, you better just sell it.
Gas prices were double that not long ago.
Ditch the leveling kit, and the aggressive tires.......start there.
~ 1 gallon of fuel used DOES NOT show what the exact MPG's truly is.
Driving a full highway road trip, and post the mileage and MPG.
Last edited by CreepinDeth; 01-26-2015 at 12:15 AM.
The following 2 users liked this post by CreepinDeth:
depami (01-26-2015),
Silent Echo (03-10-2015)
01-26-2015, 11:21 AM
#20
Senior Member
You have a full size 4x4 truck. Ditch the aftermarket intake it isn't helping you any. Its winter too so you will see 2-3 MPG difference with winter blend. Also driving 75 is hurting your MPG quite a bit. The times I went that fast in mine on the interstate I was ~14 MPG or so. Mine is an 04 2wd 4.6 and I avg 13-15 MPG in winter, usually closer to 13.
You say you need a truck, but why not look into a cheap civic or something similar to be your DD? You won't see your $ back by changing gears for a while, it might be .5 MPG difference.
You say you need a truck, but why not look into a cheap civic or something similar to be your DD? You won't see your $ back by changing gears for a while, it might be .5 MPG difference.
