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how to get the best mpg?

RangerDan99

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stay away from e3 spark plugs. they gave me a better gas millage for the first month and then it was downhil from there. gave me a miss in the third cylinder. and then were almost impossibal to get out. there only good in lawnmowers. best spark plug is the double plaium plugs stock ones from motorcraft. only way to get better gas milliage is get a freshair intake and k&n airfiliter. tht honestly helped out my truck. btw im running P255/70/16 semi agressve tires and im only getting 15 city and 17 highway on a good day. i have the a 4.0l 4x4 single cab with 4.10 gears what am i doing wrong. ( fresh tune up clean air filiter and oil change every 3000 miles with full synthic motor oil.
 


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cr_the_machinist

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I use the Motorcraft platinums, great plugs. I've had a K&N and a Volant intake in the past and never noticed a differance in gas millage. I've gone back to the stock intake since then. I get 17 mpg driving country and city roads with a 4.0 OHV, 3.73's and 32's. I don't log many miles on the highway, so I'm not up to snuff with what my mpg is there. I'll be driving to Wisconson from Michigan and back next weekend. I guess I'll be finding out soon.
 

RangerDan99

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yeah i have the same set up with the intake i have a volant as well let me know what you get on the highway on the trip
 

tempforce

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great fuel mix, with the proper octane, timing, double platinum plugs. good wires, ect. check the o2 sensors as it/they may cause the computer to feed the wrong air/fuel ratio for best running. slow start/stops. coasting or part throttle when slowing. (coasting in some areas = big ticket)... correct sizing of tires, how tall /how wide, also tread type and pressure. big wide and aggressive = using lots of fuel. narrow high pressure and tires with tread cut like the front tires on trucks or electric cars. body aerodynamics do help. a front air dam, side skirts and under body skin will all help. also a cab reversed arrow flare cap.
think of a sleeper, that starts at the roofline and tapers to the tail gate. or to the bed if tailgate is removed. the arrow cap can help up to 4 mpg with a 2x4 pickup. b sure to use plexiglass so you will have use of the back window...
the below trucks i get 18-24 with the 1 ton, 30-38 with the ranger.. this is while averaging 67 mph...
 
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cr_the_machinist

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yeah i have the same set up with the intake i have a volant as well let me know what you get on the highway on the trip
I think you may have mis-understood my last post, not to prod at you. I use the stock intake now.

I got 20.5 mpg on my 1,000 mile round trip.
 

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